I just want to verify this is the correct place to put it.
When doing the boost leak test is the air suppose to stay in the the pipes when the air compressor is off? I got a compressor that you plug into the ciggarette lighter and it doesnt seem to work to good. It isnt reading that the system is pressurized. Am I suppose to unhook all hoses that go on the intercooler pipe? Should the wastegate open up at it spring set? Do I cap off the fpr or just BOV? Is the leak tester just suppose to find leaks in the ic piping? Thanks
I know this is a stupid question but I need help with it.
Modified by 98240 at 9:53 PM 3/3/2006
Modified by 98240 at 9:57 PM 3/3/2006
Modified by 98240 at 10:03 PM 3/3/2006
boost leak tester
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BillKlineVT
- Posts: 78
- Joined: Tue Jul 05, 2005 10:23 am
Re: boost leak tester (98240)
Those cig. lighter air compressors suck for boost leak testing. You need to use a more powerful one like that can run air tools... bigger the tank the more you can test it without the pump motor being noisy. Leave all of the hoses connected, and yes that is the correct spot... right onto the turbo's compressor inlet. You can read the pressure either from the air compressor, or on your boost gauge... can even compare the two to see how accurate ur boost gauge is. Yes the wastegate should open at the specified pressure level.
the wastegate isn't going to open...becaues the engine isn't running, your intake and exhaust valves aren't open at the same time... it's just going to check for leaks in you ic piping, and vacuum hoses, depends if you open the throttle body or not...if you're going to be running 10psi, then test at 10psi...check the write-up, I could be wrong...
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C-Kwik
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Re: (lrb_2000)
lrb_2000 wrote:the wastegate isn't going to open...becaues the engine isn't running, your intake and exhaust valves aren't open at the same time... it's just going to check for leaks in you ic piping, and vacuum hoses, depends if you open the throttle body or not...if you're going to be running 10psi, then test at 10psi...check the write-up, I could be wrong...
The wastegate will see the pressure in the IC piping if the signal is sourced within any portion that is being pressurized. From the photo, it looks like he is getting the signal from the compressor nozzle, so it will see bees as he is including the turbo in the test. The wastegate will start to open when it gets close to the set boost level, unless there is an electronic boost controller set-up.
Re: (C-Kwik)
I do have a ebc so i will just take the line off and cap it for the test. Can anyone recommed compressor that is cheap and works for this test.
Re: (C-Kwik)
I thought that the wastegate had to have to pressure of the exhaust gases on the wastegate valve to open.. or will it just open up a little?C-Kwik wrote:
The wastegate will see the pressure in the IC piping if the signal is sourced within any portion that is being pressurized. From the photo, it looks like he is getting the signal from the compressor nozzle, so it will see bees as he is including the turbo in the test. The wastegate will start to open when it gets close to the set boost level, unless there is an electronic boost controller set-up.