$30 Home Depot turbo system pressure tester (leak finder) - Page 2 - MR2 Owners Club Message Board
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post #21 of 83 (permalink) Old May 18th, 2004, 20:24
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so ahyone know the piping sizes for this...for a ct26?
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post #22 of 83 (permalink) Old June 29th, 2004, 18:19
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Quote:
posted by mpa4712
so ahyone know the piping sizes for this...for a ct26?
measure the inlet on the CT26
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post #23 of 83 (permalink) Old June 29th, 2004, 23:20
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Quote:
so ahyone know the piping sizes for this...for a ct26?
Well I just tried making one of these home made pressure testers, and kinda gave up for now in the end as well.

Went to home depot bought a 3inch and it's way to big (even for my td06 sitting in the garage)...so went back and bought a 2 inch since I couldn't find a 2.5 inch. It ended up being the exact same size as the inlet lol...Has anyone found a 2.5 piping at either Home Depot or Lowes? I went to both and all they had were
1, 1 1/2, 2, 3 & 4inches....
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post #24 of 83 (permalink) Old June 30th, 2004, 23:15
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ct-26 size

The inlet on the ct-26 is 2.75"

You can buy tractor trailer (semi truck) radiator hose that will fit it perfectly for about $5 a foot, but nothing that I have seen at Lowe's etc will. You can then push in a plug with air fitting of your choice.

-Jon
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post #25 of 83 (permalink) Old September 28th, 2004, 12:26
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Another method for those with a CT26:

Remove the AFM and plug the compressor inlet tube - I used a medium-size Jif lid with some duct tape wrapped around it to make a good seal. Clamp it in there tight or it will blow out when you pressurize the intake.

Disconnect the hose going from the valve cover to the side of the intake hose and plug/screw a male compressor accessory fitting into the end. Hook your compressor hose directly to this hose.

I had some air coming out of the valve cover that made noise, but if you feel and listen to all the other joints in the intake system, you can find leaks (I found one where I had a loose clamp and one where my water injection nozzle was screwed in).
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post #26 of 83 (permalink) Old September 29th, 2004, 09:07
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One thing I didn't see noted. Be careful of loose or defective hose clamps. I've had caps pop off and hit the roof of a shop (18-20' high) with considerable force. Just make sure your body or things that will be damaged are in the path of shooting caps

Otherwise, use a towel as a safety net.

Brad
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post #27 of 83 (permalink) Old October 5th, 2004, 12:36
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Just gotta say this is a great post.

I ended up finding 2 leaks and hurting my ear-drums in the process.

Found 1 leak coming out of my hks bov but fixed it by tightening the screws.

2nd leak was coming from the rubber hose holding the ic pipe to the throttle.

Then the tester blew off and it popped my ears Guess it wasn't tight enough...
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post #28 of 83 (permalink) Old October 5th, 2004, 13:15
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any info on the smoke machine one, that one sounds like the easiest way to find a leak..
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post #29 of 83 (permalink) Old October 5th, 2004, 19:15
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Spray soapy water around all the conections - it works better then just feeling for air.....
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post #30 of 83 (permalink) Old October 5th, 2004, 20:04
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I think plumbing stores have smoke bombs for that purpose. But normally, you will hear it.
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post #31 of 83 (permalink) Old May 15th, 2005, 18:05
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Home depo doesn't have anything I need ;( stupid ct26
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post #32 of 83 (permalink) Old May 16th, 2005, 10:32
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Quote:
Originally Posted by rony
Home depo doesn't have anything I need ;( stupid ct26
I was able to stretch a 2" coupler over the inlet on the CT with no problems.
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post #33 of 83 (permalink) Old July 8th, 2005, 15:15
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Am I missing something here? Where is the intercooler pipe??? He has the tester hooked up to the turbo inlet but there ois no pipe on the outlet - whats up? What do I do with the stock BOV and PCV ports??
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post #34 of 83 (permalink) Old July 8th, 2005, 18:33
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Am I missing something here? Where is the intercooler pipe??? He has the tester hooked up to the turbo inlet but there ois no pipe on the outlet - whats up? What do I do with the stock BOV and PCV ports??
That was just for the pictures. Yes, the system should have all intercooler hoses connected while doing this test. That is what makes the comment right after Bryan's original post so funny. He said that he thinks he knows the source of Bryan's leak and he was obviously referring to no pipe connected to the turbo.
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post #35 of 83 (permalink) Old July 20th, 2005, 15:59 Thread Starter
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Can we make this a sticky?

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post #36 of 83 (permalink) Old December 26th, 2005, 11:28
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i would have thought the easiest and simple way of making this pressure tester wud be getting a coupling that fits your turbo inlet and a PVC cap to fit on the inside of that coupling. then have a bicycle tire valve fitted in the pvc cap and secure everything with some hose clamps. then just use a bicycle pump to build pneumatic pressure using your boost guage as a reference.
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post #37 of 83 (permalink) Old February 20th, 2006, 11:10
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Wouldn't it be a bad idea to have pressurized air enter the turbo housing causing the turbo to spin with no oil flow in there?
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post #38 of 83 (permalink) Old February 20th, 2006, 12:09 Thread Starter
I aint afraid of no boost
 
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The turbo does not spin at any real speed with pressure.

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post #39 of 83 (permalink) Old April 9th, 2006, 21:47
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hay brian, I built a leak tester, and used a bicycle pump with a guage on it to build pressure. However, I had my friend open up the trottle plate, to see if I could pressurize the intake manifold also because I thought I had a leak there as well. But it bleeds though the valves I think. Not sure if its the intake or exhaust but I believe they are leaking.

Can you use this leak tester method for intake manifold leaks and stuff or is it impossible to pressurize the intake manifold due to the open valves.

Is a bicycle pump not good enough and I need to use my air compressor??

Thanks so much Brian.
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post #40 of 83 (permalink) Old April 9th, 2006, 21:59 Thread Starter
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A bicycle pump is not enough.

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