We are testing at this point because everything after the turbo's inlet normally gets pressurized while the motor is boosting You know its the inlet when you can look into it and see the compressor wheel. We want to get to the turbo's inlet flange. Step 1: Access to the Turbo Charger's Compressor Inlet Flange Reference: 2002 Audi A4 built block and stroked to 2.1L, Garret GT3076R turbo with 4" anti-surge compressor housing
Any good tuner will ask you this before tuning. So before tuning it, I wanted to boost leak test it to make sure there were no leaks. The motor in the pic was built to handle 30 psi of boost. For example if your turbo boosts 12 psi stock, then you don't really want to put more than that while doing the boost leak test. This is a good target boost to use while pressurizing the system with the boost leak tester. You want to have a rough idea of how much you boost while driving.
And when you are making boost, these components are pressurized with air pressure. All these components basically feed the motor the air it needs when running. We can see the turbo charger inlet, outlet, front mount intercooler, blow-off valve, intake pipe, throttle body and intake manifold. Even though this is a modified turbo setup, it still gives a good reference and shows the main components of a turbo system that will be pressurized. If you look at the pic below, you can see how a typical turbo motor is set up. You may have some questions like: Why are we boost leak testing? What is the boost leak tester really doing when we hook it up to the engine and pressurize with compressed air?
06 MAZDASPEED 6 TEST PIPE HOW TO
I will show you how to boost leak test using the Pro-Kit fitted with the tire valve stem and the mounted 0-30 psi boost gauge.įirst we need to know some of the basics. Here you will learn how to properly use your boost leak tester.
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