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Old 10-22-2006, 11:10 PM   #1
edo2000
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Member#: 68709
Join Date: Aug 2004
Chapter/Region: AKIC
Location: Kenai Peninsula, AK
Vehicle:
2012 WRX
red

Default More turbo troubleshooting...advice needed.

I'm still trying to help out my friend whose 04 wrx got sick recently. The turbo locked up on him, so we found a used TD04 and put it on.

The car started making boost with the new turbo, but it is still sick. When I drove it, the symptoms were:

1) Much noisier intake sounds than my car (which is also an 04 wrx).
2) When you go WOT, boost builds slowly and never goes above 5 lbs or so.

After searching on NASIOC, we tried a couple of things:

1)We pulled the boost control selenoid and tested it with a 9V battery, it seemed to work perfectly.
2)To check the wastegate actuator diaphragm, we replaced it with the one off the locked up turbo, the car acted exactly the same...

I'm starting to wonder if something else other than turbo & boost control, is wrong with the engine.

Any suggestions? If he had a serious engine problem like low compression, etc., could it act like this? Any advice would be appreciated.

I'm recommending that he take it up to Conti or SIAS for diagnostics. I don't think we have anyone here in Soldotna that knows much about the wrx.
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Last edited by edo2000; 10-22-2006 at 11:48 PM.
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Old 10-23-2006, 12:11 AM   #2
prometheum
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Member#: 92003
Join Date: Jul 2005
Chapter/Region: International
Location: Tatooine
Vehicle:
04 bicycle!

Default

maybe a boost leak perhaps? in the 2.0L forum there was a thread on how to make your own tester using some pvc pipe and a valve stem
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Old 10-23-2006, 01:08 AM   #3
ponamy
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Member#: 115511
Join Date: May 2006
Chapter/Region: AKIC
Location: Fairbanks, Alaska
Vehicle:
2005 wrx /w babyseat
2011 Forester 2.5x

Default

schucks sells leak testers, for around 40-60$or you can make your own with what prometheum said
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Old 10-23-2006, 01:25 AM   #4
edo2000
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Member#: 68709
Join Date: Aug 2004
Chapter/Region: AKIC
Location: Kenai Peninsula, AK
Vehicle:
2012 WRX
red

Default

Thanks guys, I'll check on the leak test idea.
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Old 10-23-2006, 02:13 AM   #5
ponamy
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Member#: 115511
Join Date: May 2006
Chapter/Region: AKIC
Location: Fairbanks, Alaska
Vehicle:
2005 wrx /w babyseat
2011 Forester 2.5x

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i work at schucks in fairbanks, i can check on the price tomorrow for you if you want me to, too bad i dont live in anchorage, i could pick one up for you at the employee discounted price
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Old 10-23-2006, 02:44 AM   #6
00Maddog
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Member#: 62410
Join Date: May 2004
Chapter/Region: AKIC
Location: land of awd
Vehicle:
2004 ra'd redrex in
8k w/ STI kit :) DASH

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a ciggerette is cheaper and works better, just take a drag, and blow it into the brake booster nipple, or the pcv hose depending on whether you want to check pressure or inlet side.


o yeah, and look for the smoke
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Old 10-23-2006, 03:43 AM   #7
ponamy
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Member#: 115511
Join Date: May 2006
Chapter/Region: AKIC
Location: Fairbanks, Alaska
Vehicle:
2005 wrx /w babyseat
2011 Forester 2.5x

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well fooey, just buy some cigarettes then, cancer good, boost leak tester bad!!!
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Old 10-23-2006, 03:48 AM   #8
Jaylyons1
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Member#: 113884
Join Date: May 2006
Chapter/Region: MAIC
Location: Baltimore, MD
Vehicle:
2013 BRZ
Black

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Quote:
Originally Posted by ponamy View Post
well fooey, just buy some cigarettes then, cancer good, boost leak tester bad!!!
lol, hmm smoking helps with something afterall!
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Old 10-23-2006, 04:01 AM   #9
prometheum
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Member#: 92003
Join Date: Jul 2005
Chapter/Region: International
Location: Tatooine
Vehicle:
04 bicycle!

Default

Quote:
Originally Posted by 00Maddog View Post
a ciggerette is cheaper and works better, just take a drag, and blow it into the brake booster nipple, or the pcv hose depending on whether you want to check pressure or inlet side.


o yeah, and look for the smoke
hypothetically couldn't you just pull out one of the hoses in the turbo inlet hose and stick the cigarette in there and have the car doing all the sucking for you?
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Old 10-23-2006, 04:44 AM   #10
ponamy
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Member#: 115511
Join Date: May 2006
Chapter/Region: AKIC
Location: Fairbanks, Alaska
Vehicle:
2005 wrx /w babyseat
2011 Forester 2.5x

Default

sure if the line you hook up to has a vacuum just stick the smoke in and see where the smoke comes out lmfao
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Old 10-24-2006, 02:51 AM   #11
Arctic Assassian
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Member#: 91875
Join Date: Jul 2005
Chapter/Region: AKIC
Location: A-town!
Vehicle:
91 legacy TD04
04 WRB/carbon fibre STI

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hahaha Jerry is just too cool. He's cooler than the camels. Too bad he smoke's marb lights. Right cowboy?
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Old 10-25-2006, 11:01 PM   #12
04Aspenwaggy
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Default

When this happened to ours (before we sold it, while it was still under warranty) we took it in and originally it was the tumbler valve, after driving it for a little while, we took it back and they had to put a new ECU into it.
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