Diy Boost Leak Tester Duramax

Shop, Share and Save at the only website dedicated exclusively to the Duramax Diesel Owner. Performing the Boost Leak Test: 1) Disconnect and plug the bottom hose on the purge control solenoid 2) Remove the aftermaf and connect the tester to the turbo inlet 4) Make sure the tester's on/off ball valve is in the off position. The two types of OCV system—without and with filtration—and the closed crankcase ventilation design are shown in Figure 6. What prompted me to test the pressure again was surging and bucking driving up to Park City yesterday its about a 2K ft ascend. Buy Torque Solution TS-BLT-BILLET Boost Leak Tester Universal: Covers - Amazon. 6L Duramax is one heck of an engine. Thought it was a boost leak but could it be a vacuum leak? Good Evening Everyone, I am hunting for a pressure leak somewhere under the hood and I think I may have found it but am unsure if what I found relates to the symptoms. Homemade boost leak tester intended for an Audi 225 TT. Here is a guide I promised on how to make you own Boost leak tester from readily available items currently on the market. You can use this boost pressure tester to find pesky leaks in your custom intercooler piping on your vehicle. In result causing a power loss. 7T Engine Variations in boost production, air/fuel mixture, and drivability can often be traced to leaks in the in-take system of the 2. The fuel is "pulled" from the tank via the IP on the top/front of the motor. Anyone ever clean the turbo while in the truck? Trying to avoid a $3500+ charge on my truck if at all possible. So I ordered a reman power steering pump and 2 of the 3 lines (high pressure pump to hydro-boost, and return line from hydro-boost to pump) from rockauto. I just want to say, I think this idea to test for a turbo boost leak by pressurizing the system is an excellent idea. BlueDriver is a Professional OBD2 Diagnostic Scan Tool trusted by mechanics and developed by Professional Engineers in North America. This is something you might not see or notice unless you are towing alot. This portion of the intake is under pressure when the engine is loaded. Keep doing this until your intake tract can hold your pressure. We decided to share this great DIY on boost leak testing that was contributed to the N54 community a long while back and is still very useful for those running into issues with underboost codes, limp mode due to a boost leak in their charge piping. The small cap screws into the large one and I intended for it all to fit inside the boot but It was too big. Several of our tools have won the prestigious Motor Top 20 Tools award including the IPR Air Test Tool in 2014, and the 6. I have a simple test for you to do. DIY boost leak tester. Steps Too Boost Leak Testing Your Car: Install Boost Leak Tester On TurboCharger Inlet Fill Up Boost Leak Tester Tire Valve With Air Chuck Until You Reach Your Boost Level (25 psi+) Spray Soapy Water All Over Charge Pipes, Vacuum Lines, and Where Every Boost May Go. I was, until yesterday, one of those people. 6L 2001-2004 LB7 - Fuel System! XDP carries all the parts and accessories you need for the best diesel performance. I hear all the time of people using carb or brake cleaner to do a vacuum leak test. Image 2 shows the U shaped return hose removed from the fuel rail. Here's my DIY kit - I put this kit together some time ago more as a Saturday project. 1- leaking hks ssqv3 bov 2- leaking cold start injector O-ring 3- 2 minor leaks on intake vaccum hose After fixing these leaks, I can't get more than 10psi on the system. And this was proven in application, because it seems to have found a major leak on my car. People talk about it with no real understanding of what it is and what it's consequences are. A small loss in pressure over a longer period of time is normally acceptable. The setup is illustrated below for the LLY, LBZ, LMM engines. Duramax Fuel Pressure Regulator Valve Replacement Guide This is a GM guide for replacement of the FPRV. The diesel engines need care and proper tuning in order to enable output in the maximum range. This will not tell you if the system will leak under boost. 6 Duramax LB7 LLY LBZ LMM We will test your injectors and provide the results for the following tests: 1. The EGR will never come on. Testing EGR Valve Diaphragm Condition. Problem is, I cant find it. Pump the tester and observe the vacuum, it should hold vacuum if the system is working properly. In order to do proper diagnostics you will need a scan tool and some special tools such as a vacuum test gauge J44638 (OTC 6754) available from GM Special Tools. Intake Leak Pressure Tester Log In Our Site Affiliates: Aluminum Pipes, Stainless Steel Pipes, and Exhaust Parts - AN Fittings and Stainless Steel Lines - Liquid to Air Intercoolers - Online Drifting Games. this is a common procedure over at the DSM forums, only instead of a tennis ball we use a pvc end cap and drill and tap a 1/4 NPT and thread in either a barbed fitting or any fitting of your choice, then couple that piece directly onto the turbo inlet using a regular coupler. If your turbo inlet size is different than 3", you will have to purchase a different coupler that will fit over your turbo inlet, and possibly a different PVC Cap depending on what size the opposite side of the coupler is. Or for those that want to boost leak test before dyno. Intake Pressure/Boost Leak Tester, 4" CAP000049. First we need to know some of the basics. Its a boost leak tester for finding vacuum leaks or leaks in you intercooler piping. Boost Leak Tester Assembly Assembly Notes: This boost leak tester was designed to fit over a 3inch turbo inlet. This portion of the intake is under pressure when the engine is loaded. With all the ford plastic, theres bound to be a compromised seal somewhere. We’ll break the trucks down into Five categories: Pre-Powerstroke (6. The parts list has color coded letter labels to match the diagram. Well, like the title says, I made a boost leak tester today. And this was proven in application, because it seems to have found a major leak on my car. Pod filter adapter, pvc end cap and air compressor tyre valve. The supply pressure should be between 5-7 psi at idle. 6 LB7 Boost 2001-2004 GMC Sierra. In Fact all of Your Couplers could Also Be Tight Too! Here are 2. 2jzMK3 · Banned. Just occurred to me I probably could have just used the factory intercooler boot instead of the rubber one but oh well. If there is a hole in this part of the intake track, boost pressure will leak out, and the MAP sensor (boost. With all of this in mind, if you have any doubt in your CAC system, take the time to perform an adequate inspection and test of the system. 6 Duramax LB7 diesel injectors. Do not do leak test with stock ccv hooked up. Turbo boost leak testers for all makes and models. 6 Code Overboost Diesel Eliminator Eliminator Diesel Overboost GMC Duramax 6. com! If this is your first visit, be sure to check out the FAQ by clicking the link above. Worked great! I had 5 leaks I identified. The Supra's long intercooler piping path makes it fairly hard to find the leak and can be a daunting task. Failing injectors will often leak fuel into the crankcase, resulting in elevated oil levels and even leaks that appear to be from the rear main seal. I was, until yesterday, one of those people. This is NOT a boost leak but the weakest joint in this test method. The APR Boost Leak Testing Systems allows for both visual and auditory inspection on a stationary vehicle. performance boost as it will likely just destroy your tranny if the tranny even holds up to the stock torque. We operate a full injector remanufacturing shop. 5 LB7 Injector Rebuild Kit (Choose Nozzle Size in Cart) Click on Picture. An area often overlooked is the performance of the fuel system not while the engine is running, but when it is shut off. ALLDATA is the industry's leading source of online factory Diagnostic and Repair Information used by 200,000+ automotive technicians everyday. When you do a boost leak test, you are artificially boosting the entire intake tract. I gathered some parts to get some boost leak testing happening today. Tap the turbo out pipe with a boost sensor, and report the boost that you see. Image 2 shows the U shaped return hose removed from the fuel rail. The easiest and cheapest leak down tester may already be in your toolbox. If the hydo-boost leaks, it is defective and should be replaced or repaired. Even something small can really rob power. 5 4 Evap Smoke - $220. Air is escaping thru oil cap (cap off). The use of leak testing equipment eliminates failures in the field. Something to also be aware of it that the egr cooler can also put exhaust gasses into the coolant system if they have a leak. Bear in mind that the typical. Cheap DIY smoke test for vacuum leaks 01-03-2013, 04:05 PM Not sure if there is already a thread about this, but smoke testing a car for vacuum leaks is one of the best troubleshooting steps you can take for idle/drivability issues. Smoke Machines for Leak Testing and Visualisation. What prompted me to test the pressure again was surging and bucking driving up to Park City yesterday its about a 2K ft ascend. 7t Pressure Test Common failure points are the throttle body boot (TBB), hoses connected to the N75 valve and the intercoolers hose caps. DIY boost leak tester. If boost is lower than expected suspect boost leak/exhaust leak or failed EGR. I can hear a whooshing noise as if there is a boost leak, especially when I hit the loud pedal. The Power to Get the Job Done With up to 33% more battery capacity on a single charge**—and fully compatible with our 36V lithium ion system—BLACK+DECKER 40V MAX* lithium ion batteries have the power you need to get the job done. Under hard acceleration or pulling a trailer, I get a black haze out the exhaust, and you can hear it. Does anyone have a definitive guide to creating a DIY boost leak tester? Mine is a 225 BAM engine. Join the thousands of Powerstroke, Duramax, and Cummins diesel truck owners. BOOST LEAK TESTING 101 Write-up by Dave Fathy. The parts list has color coded letter labels to match the diagram. Some parts removed for better photo detail. DPF removal is one of the best upgrades you can do to increase fuel mileage and reliability. 9 Cummins 6. For the true diesel enthusiast however, the stock option is never enough. Intake Pressure/Boost Leak Tester, 4" CAP000049. We are driven by and committed to the Duramax diesel and great American made trucks. The GM Duramax engine is one of the most powerful diesel engines available in its class. We have been supplying DIY injector rebuild kits for many years all around the world. Seriously, thanks for another addition to our DIY sticky. And for those who swap parts and don't realize that hand tighten might not have been enough especially at higher boost ranges when tuned. Further testing showed you need a pretty decent pump to make this effective. In stock form, other than some gauges and a power program that added about 100 crankshaft horsepower and roughly 180 foot-pounds of torque, there was no disappointment with the power – it was awesome!. The use of leak testing equipment eliminates failures in the field. If you experience hard starts especially restarting a short period after shutting off the engine, then one possibility is a leaking fuel system. I provided a writeup that explains the how and why of boost leak testing. So test and save, it's that EASY! * Using average base assumptions, Average daily trip of 300 miles per day RW0090-11 CAC Test Kit 1-800-328-8900 • www. Just wanted to bump this thread. com CHARGE AIR COOLER TEST KIT. Boost Leak Tester Assembly Assembly Notes: This boost leak tester was designed to fit over a 3inch turbo inlet. All 2005-2006 Jeep Liberty. I am on the receiving end of continuous calls over the past few years inquiring what to do. Interested in purchasing this Duramax Intercooler? Check out our product page for more information! Mishimoto Chevrolet/GMC 6. 9 Cummins 6. One of the commonly overlooked contributors to decreased diesel engine performance is the carbon deposit that builds up inside EGR-equipped trucks' intake manifolds. 6 LB7 Boost 2001-2004 GMC Sierra. I have a very loud whistle/whine sound on spool up which is not from faulty turbo bearings as I have replaced the turbo core recently. 5" tester cap and a reducer to fit your turbo inlet size, so if you need to pressure test multiple turbos with different inlet sizes, you can. "Limp Mode" or "Limp Home Mode" is a condition that can affect turbocharged diesel vehicles. Got Boost? KD Boost Valve for the 2001-2004 LB7 Duramax 6600. The advantage of a boost leak test over a visual inspection is that it can be easier to find if the small cracks or leaks are hidden from view or only show up when under pressure. Image 2 shows the U shaped return hose removed from the fuel rail. Set B1503 to 8000. 5 lug 949 racing 6UL 2015 2016 Aztec green Pearl b16a2 b18c b18c1 boosted Civic civic vx Coupe DIY e. you just need enough to. Hey guys, So i made up a boost leak tester as per another thread I came across. I have Ipd cam. “Limp Mode” or “Limp Home Mode” is a condition that can affect turbocharged diesel vehicles. The Supra's long intercooler piping path makes it fairly hard to find the leak and can be a daunting task. DIY $10 boost leak tester: made this a while back when plagued with leak after leak in my last porsche 944 turbo (if you haven't seen under the hood of one, there are miles and miles of vacuum lines all of which leak at random times). 2jzMK3 · Banned. After searching and searching, I could not find the leak. The best way to increase your diesel truck's fuel mileage is to upgrade with a MPG Performance Module or Duramax Tuner. 1999 - 2003 7. If your pressure test shows more than 80 psi, make sure you have a working pressure-reducing valve and keep it set between 50 and 60 psi. A goofy VE at idle means probably a bad mass flow sensor. 6 Duramax LB7 LLY LBZ LMM We will test your injectors and provide the results for the following tests: 1. Intake Pressure/Boost Leak Tester, 4" CAP000049. com and swapped them out. The Hydro-Boost II system is a hydraulically-operated power brake booster bolted to the back of the dual master cylinder on 1980 and later diesel engined cars. CPP has the best selection of Performance Diesel Parts for your Dodge Cummins, Ford Powerstroke or Chevy Duramax. A boost leak tester is a great little tool for testing if you think you have a boost leak. The supply pressure should be between 5-7 psi at idle. Being lazy and not wanting to spend money on making my own plug I discovered a local household item that fits PERFECTLY into the intake piping. This test is specifically for the LBZ engine, but could be applied to LLY and LMM engines also. Turbo Tech: Making a Do-It-Yourself Boost Leak Tester. It was in my 03 2500 IIRC, Ran that way for over a year before I sold it and is probably still running that way. Once filled, it is easy to see the pressure quickly drop if a leak exists in the system. The Duramax 6. "Limp Mode" or "Limp Home Mode" is a condition that can affect turbocharged diesel vehicles. The small cap screws into the large one and I intended for it all to fit inside the boot but It was too big. A reservoir holds water or a mixture of water and alcohol or water and methanol. Ever wonder if you have a boost leak or you know you have one, but can't find it? We finally have the tool needed to locate all boost leaks, no matter how small in minutes. A quick Google search will yield many sites to buy one premade and instructions to make one yourself if that's your fancy. Fuel injector leak testing should be done under operating pressure. I have Ipd cam. I'd recommend using a silicone coupler or radiator hose instead of this flexible rubber one. Over the years these trucks have been really good performers, but they do have some common problems that we see over and over again. Required Tools for this water pressure valve Project. The advantage of a boost leak test over a visual inspection is that it can be easier to find if the small cracks or leaks are hidden from view or only show up when under pressure. 6L Duramax LB7 Factory Replacement and Aftermarket Performance Parts for 2001 - 2004 Chevy GMC Duramax 6. Made this down and dirty boost leak tester last night. The injectors on the 2002 (and other years) Duramax has an extended 320,000km (200,000 mile) warranty, which is well beyond the regular Duramax warranty. Turbo Boost Leak Testers, Inc is dedicated to making boost leak testers –Thats it! This is an important tool every turbo car owner needs in their arsenal of tools. How to clean a 6. The same process of pressuring the intake manifold can then be done. 6 Duramax and hydro-boost brake system. One of the first things we suggest when starting to tear down a Duramax pickup for a head gasket job is to remove and test the egr cooler. This will not tell you if the system will leak under boost. Pressure up the coolant passages and see if it leaks. LMM- Stock turbo trucks should make 30psi with Jack tuning and 35-37 with king tuning as measured on an analog gauge. GM joined forces with Isuzu in 2001 to release the first 6. The 07-10 GM Duramax is equipped with a diesel particulate filter. If your truck doesn't already have a boost gauge, check boost using a store-bought vacuum or boost gauge and the appropriate fitting for the pressure test port on the manifold plenum. Hi having trouble performing boost leak test, cant find clear anwsware which line do i cap off during that test. I decided to build a tool that I can used to pressure test the system with an air compressor. Get the best, least expensive cell phone plan or prepaid cell phones with the latest phones. I know there is a leak > somewhere, but I just can't seem to figure out which hose it is. 9 Cummins 6. 6L Duramax Intercooler Kit Product Testing and Procedures The fun part of development is the reveal of our initial prototype design, but the truly exciting part is the testing portion of development. This is done by disconnecting the vacuum tube from the vacuum source (engine) and attaching it to the tester. 5 LB7 Injector Rebuild Kit (Choose Nozzle Size in Cart) Click on Picture. 5″, 3″, 4″ Testers From Right To Left. 5 4 Porsche 996 - $125. Every Intake Leak Pressure Tester utilizes a 2. Fuel injector leak testing should be done under operating pressure. Intake Leak Pressure Tester Log In Our Site Affiliates: Aluminum Pipes, Stainless Steel Pipes, and Exhaust Parts - AN Fittings and Stainless Steel Lines - Liquid to Air Intercoolers - Online Drifting Games. I gathered some parts to get some boost leak testing happening today. The engine will hold the pressure. I've removed, cleaned, and inspected all the IC boots and they're okay. 2001-2004 GMC Sierra 3500 Duramax Diesel Overboost Code Eliminator 6. DIY boost leak tester: A how-to. After pressure testing the cooler, it was all from condensation. 0L TSB 09-8-3 2003-2007 F-Super Duty FORD: 2004-2009 E-Series 2003-2005 Excursion This article supersedes TSB 08-11-3 to update the NOTE Service Procedure, which includes the release of a PLEASE REFER TO THE WARRANTY AND. Set B1502 to 0. Listening for where the air is escaping by ear can isolate the problem. I'm using the Pure Stage 2 High Flow Inlet, but this setup would work on a stock setup as well. Turbo Boost Leak Testers, Inc is dedicated to making boost leak testers –Thats it! This is an important tool every turbo car owner needs in their arsenal of tools. OBD2 Readiness Monitors are simple yet powerful self check routines. I thought this would also be a good opportunity to share my inexpensive methods for doing these tests. The first one I built had a rubber coupler that attached to the turbo, but that blew off at 15psi. It only cost about 3-5 bucks. Pod filter adapter, pvc end cap and air compressor tyre valve. If you have built any of these circuits, we would love to hear from you so send us your comments. I was, until yesterday, one of those people. Turbo & Supercharge (Forced Induction) - DIY Boost Leak Tester - Anyone got a DIY to make your own Boost Leak Tester? I'd like to make one myself and have it on hand in case I have problems with my turbo project. This will not tell you if the system will leak under boost. 3 Powertroke, 6. Boost Leak Tester Assembly Assembly Notes: This boost leak tester was designed to fit over a 3inch turbo inlet. Gauge Installation on a 6. Step 11 - A vacuum gauge or tester can be used to check an external system for additional leakage. Here is a guide I promised on how to make you own Boost leak tester from readily available items currently on the market. A small loss in pressure over a longer period of time is normally acceptable. Maximizing diesel engine performance is an important goal in diesel vehicles. Testing EGR Valve Diaphragm Condition. You can loan or buy a set of noid lights from your local auto parts store. December 10, 2009 by Greg. 6L 2001-2004 LB7 - Fuel System! XDP carries all the parts and accessories you need for the best diesel performance. They read the codes as P003a (engine turbo boost controller) and P2563 (turbocharger vane control position sensor performance). If the EGR valve is stuck open, it will essentially cause a vacuum leak, leading to inefficient combustion, rough idling, hesitation, and sometimes stalling in extreme cases. Hey guys, So i made up a boost leak tester as per another thread I came across. Unless you have more than 200,000 miles, your injectors (& related labor) should be covered. can tell you the specification, but if you don't test you won't know, or see details in back. I have a Mitsubishi 3. In Fact all of Your Couplers could Also Be Tight Too! Here are 2. Image 2 shows the U shaped return hose removed from the fuel rail. What tme period would you expect to see after a rebuild. Leak test and assembly machine and system solutions by TQc are supplied to meet customer specification for the automotive, engineering and medical industries. I gathered some parts to get some boost leak testing happening today. 6L Duramax V8 Engines, Chevy/GMC. Failing injectors will often leak fuel into the crankcase, resulting in elevated oil levels and even leaks that appear to be from the rear main seal. For all us NOOB. Once you find the leak, fix it. You can also test the injector controlling circuit using a noid light. The amount of heat generated by the turbo, under restriction, is enormous, and will heatsoak the CAC, in front of the radiator. BOOST LEAK TESTING 101 Write-up by Dave Fathy. Being lazy and not wanting to spend money on making my own plug I discovered a local household item that fits PERFECTLY into the intake piping. TQC are specialists in leak testing / pressure testing machines, leak test and leak detection using air decay, helium or water submersal methods. NorthernFactory. The Duramax LGH is a detuned version of the Duramax LML also introduced for the 2011 model year. I found my driver side metal pipe had a big hole in it immediately. This is NOT a boost leak but the weakest joint in this test method. BimmerLife Coil DIY. If there is any sort of an air leak anywhere between the tank and the IP, it will suck air and not pull fuel from the tank. Not enough air can also be caused by low boost. Also the fluid that came out by the front tire, if the water pump is failing, it will leak from the weep hole in the bottom of the pump, and will give you that fluid. Any ideas would be appreciated. Car was not 100% smooth and then popped the silicone tube off of the intercooler on high boost. The dealer wants to replace the turbo at $4K. Mitsubishi, Dodge, Audi, Nissan, for custom turbo kits, Garret, Borb Warner,. 1- leaking hks ssqv3 bov 2- leaking cold start injector O-ring 3- 2 minor leaks on intake vaccum hose After fixing these leaks, I can't get more than 10psi on the system. Its a boost leak tester for finding vacuum leaks or leaks in you intercooler piping. Your Sprinter’s ECU senses something malfunctioning in the turbocharger system--either reading too much boost, too little boost, etc. Bear in mind that the typical. What tme period would you expect to see after a rebuild. 6 LB7 Boost 2001-2004 GMC Sierra. A small loss in pressure over a longer period of time is normally acceptable. I just got the truck and was getting the sticking EBPV signs. Maximizing diesel engine performance is an important goal in diesel vehicles. DPF removal is one of the best upgrades you can do to increase fuel mileage and reliability. Steps Too Boost Leak Testing Your Car: Install Boost Leak Tester On TurboCharger Inlet Fill Up Boost Leak Tester Tire Valve With Air Chuck Until You Reach Your Boost Level (25 psi+) Spray Soapy Water All Over Charge Pipes, Vacuum Lines, and Where Every Boost May Go. And this was proven in application, because it seems to have found a major leak on my car. GMC 3500 Sierra 2001-2004 LB7 Boost Duramax 6. The air intake tubes are not designed to hold pressure but they do hold some. HOW TO BOOST LEAK TEST; HOW TO BOOST LEAK TEST. More than half of them have boost leaks. If boost is lower than expected suspect boost leak/exhaust leak or failed EGR. My friend who recently removed his Frozen Boost charge cooler mounted above the transmission for servicing another issue, thought he had a core leak. First we need to know some of the basics. can i just hook the boost leak tester up to the turbo inlet HOSE where the aftaMAF elbow would normally go or just remove the entire airbox and elbow and begin to pressurize the turbo inlet HOSE from there? and in theory if im correct that should pressurize everything pre and post turbo( intercooler BPV and all lines to and from turbo) Or am i. com/BCautos?ty=h Purchase Stickers Here: http://cursedforever. Shop Intercooler Pipes for the GM Duramax 6. Boost Leak: Symptoms, Diagnosis and Repair Boost leaks are a very common problem in turbo cars, especially ones with 10+ year old rubber pipes. Luckily I was able to get just the inner portion into the boot and get the test done. OBD2 Readiness Monitors are simple yet powerful self check routines. Mitsubishi, Dodge, Audi, Nissan, for custom turbo kits, Garret, Borb Warner,. Unless you have more than 200,000 miles, your injectors (& related labor) should be covered. This being the case, we need to make sure to understand at least five of the most important tuning methods available for. 8L Duramax Diesel Brochure. Boost leaks can overwork and possibly lead to turbo failure. I'm using the Pure Stage 2 High Flow Inlet, but this setup would work on a stock setup as well. I might be wrong though. My hydro-booster recently started to leak power steering fluid from just behind the master. Cheap DIY smoke test for vacuum leaks 01-03-2013, 04:05 PM Not sure if there is already a thread about this, but smoke testing a car for vacuum leaks is one of the best troubleshooting steps you can take for idle/drivability issues. I shouldn't be at 12psi by redline with an 18psi spike on a kinetic WGA (16psi spring IIRC). We are available for technical support and sales. My theory is that the pressurized air leaking out during driving conditions will allow some oil to escape if there is a leak. Turbo & Supercharge (Forced Induction) - DIY Boost Leak Tester - Anyone got a DIY to make your own Boost Leak Tester? I'd like to make one myself and have it on hand in case I have problems with my turbo project. The test for a leaky valve is known as a “bottle test” and is relatively simple to do. I had a boost leak at the same coupling as Sniz described above and was getting unexplained limps around 4500 rpm. maybe pick up a pressure tester and pressurize the system over night and you might spot the drip, might not. Performing the Boost Leak Test: 1) Disconnect and plug the bottom hose on the purge control solenoid 2) Remove the aftermaf and connect the tester to the turbo inlet 4) Make sure the tester's on/off ball valve is in the off position. as far as a pressurized leak test; if looking for a leak in the IC/hoses, I would first clean the engine with an engine cleaner and hose it off, then try to drive for a bit under boost. You can take the hose from your compression tester and simply remove the Schrader valve from one end. 2jzMK3 · Banned. DIY boost leak tester: A how-to. Dmaxstore has a mission to bring Duramax owners the lowest prices on the highest quality parts available. Since they utilize a 3-ply silicone reducer and high quality stainless steel t-bolt clamps, you can pressure test your intake to very high pressure levels. Shop Sealey VS2030 Turbo System Leakage Tester. I am suggesting that you have a highly restricted induction tract. Feel free to send us your hi-fi audio schematics and we will add them here. Our DIY fabrication parts and components are the best on the market. If you had a boost leak you would be smoking, the bigger the leak the more smoke produced. 6L Duramax is a direct replacement for your factory Fuel Cooler. Some of these issues are preventable with certain modifications. I was leaving spots everywhereyou know the drill. PTF Read more BMW N54 30FF Underboost Code – Boost Leak Testing – DIY. Do-It-Yourself Hot Rod Builder Magazine. Evening all, just got my 2008 9-3 TTiD taxed and insured from today. Get your boost back and get Full Performance From Your Turbo! This boost leak tester is designed to fit over the inlet flange of your turbo charger and allows you to pressurize the charge system with compressed air while the vehicle is off. Every Intake Leak Pressure Tester utilizes a 2. Hi having trouble performing boost leak test, cant find clear anwsware which line do i cap off during that test. How-To: DIY Leak down tester. You need a tool called a "boost leak tester". Soot-laden EGR manifolds affect both idle quality and fuel economy. You didn't think we were going to talk about this here did you? ;-) I will tell you that trying to bleed the wastegate line while the computer is still controlling the boost is futile- Once you finally get the bleed open enough to get the boost where you want it for one reason or another you w. The easiest and cheapest leak down tester may already be in your toolbox. The APR Boost Leak Testing Systems allows for both visual and auditory inspection on a stationary vehicle. Valve diaphragms suffer wear and tear as well. 7t Pressure Test Common failure points are the throttle body boot (TBB), hoses connected to the N75 valve and the intercoolers hose caps. 2001-2004 GMC Sierra 3500 Duramax Diesel Overboost Code Eliminator 6. You can use this boost pressure tester to find pesky leaks in your custom intercooler piping on your vehicle.