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Prev Professional Automotive Repair Technical Discussions for May 21, 2013
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Open Help Requests for GM
Help Request Answers
2003 Buick Century Custom 3.1L brakes, abs VIN: 2G4WS52JX3
ok so the deal with this car is when the brakes are applied (e.g. at a light or stop sign) and pedal is released rear tires will intermittently lock up/ not release. Right Rear is the primary fault causing a flat spot, but l.r. will also drag. Looked for a pro...
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2006 Buick Rendezvous CXL 3.5L Dual Zone Controls VIN: 3G5DA03L76
We have this Rendezvous that has had an ongoing problem. The dual zone AC will work most of the time but occasionally the drivers side will go to heat with the AC on, the right side works normally. We replaced the left side blend door actuator and the problem ...
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2005 Cadillac STS 4.6L MIL Lamp on VIN: 1G6DC67A25
I have this beautiful piece of craftsmanship ( cadillacs are JUNK! ) anyway I have a P0068 and P1101 that sets as soon as i start the vehicle. I noticed that when you first start the car (after I clear the codes) it does not idle well at all for about 10 secon... Trouble codes: P0068 (Throttle body airflow performance), P1101 (intake air flow system performance)
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2007 Cadillac CTS 2.8L No Start VIN: 1G6DM57T17
after car sits for a period of time ie; a few days it has a long crank and does not want to start. no codes found, fuel pressure is around 50 psi. Cranked for about 2 minutes and car finally started up runs fine once started and after shut down fires right bac...
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1987 Chevrolet Corvette 5.7L Orifice VIN: 1G1YY2187H
It was extremely hard to remove orifice and I resorted to using shop air to literally blow it out of metal tube on evaporator. New orifice seats well before it is all the way into tube and protrudes at least an inch so hose cannot be installed. I have tried af...
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1994 Chevrolet Camaro Z28 5.7L Excessive Emissions, Misfire VIN: 2G1FP22P8R
Initial complaint was a Misfire at WOT that was only present in 3rd gear after going WOT through 1st and 2nd. Going WOT in 3rd alone showed no misfire. Alternator was replaced following Snap-On troubleshooter that high AC ripple can cause erratic performance....
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2002 Chevrolet Tracker 2.0L MIL Lamp on VIN: 2CNBJ13C72
vehicle came in for state insp and oil service, young tech noticed bad brakes, axle, and 2 tires, but failed to realize the MIL lamp did not light in bulb test. aarrrggh! Cut to the chase... mil bulb burned out (how many hrs "on" would that take?) Three codes ... Trouble codes: P0335, P0131 (O2 sensor sig low B1S1), P0442 (Evap Small leak)
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2006 Chevrolet Equinox LT 3.4L No Start VIN: 2CNDL73F96
Okay so this customer drop's off there 06 Equinox to us and tells us that it dose not go over 40mph some times and that it dose not always start. I start to check it out and find out that the fuel pump pressure is only 21psi. So I did the fuel pump. Took it fo...
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2010 Pontiac G6 2.4L Rotors VIN: 1G2ZA5E06A
HELPPPPP!!!.The problem that is causing me to pull out my hair today is this 2010 Pontiac G6.This vehicle belongs to the postal service for whom we do alot of maintance for.We did a brake job about 3000 miles back and has since come back with a very odd and in...
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Fixes & Summaries for GM
Fix/Summary Answers
1991 Cadillac DeVille 4.9L relay VIN: 1G6CD53B8M
Thanks for all the replies. Special thanks to Jerry from Texas. The idea about moving the airbag wires was the trick. I would never have found the relay to test otherwise. A big thanks to all that recommended the Radio shack route. I measured the resistance se...
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2004 Chevrolet SSR 5.3L HVAC case VIN: 1GCES14P44
Well, after finally finding one nut holding the dash brace in, and prying upward, it came loose. I changed the fresh air actuator, and I am on my way back together . Thanks for the replies I did get
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2008 Chevrolet Tahoe LTZ 5.3L Hesitation VIN: 1GNFC13038
We returned this vehicle back to the customer upon posting this in a hope that we would be able to follow up using the added information and ideas. The vehicle has ran fine everyday since and made 1 trip over 180 miles. The only thing we can assume is that the... Trouble codes: P0192 (Fuel rail pressure sense low volts).
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2002 GMC Envoy SLE 4.2L Surge VIN: 1GKDT13S32
Thanks to all that replied. customer not willing to spend the money at this time to replace acuator and flush at this time once i warned him of possible engine failure due to lack of oil changes he plans on trading this one in so watch out around St Louis. Trouble codes: P0014 (Cam accuator problem), P1345 (Cam crk corlation).
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2004 GMC Sierra 1500 SLE 5.3L driveshaft VIN: 1GTEK19T34
hello everybody, thank you all for all input with this semi-nightmare. here is my progression of repairs until victory. pulled carrier out-found really really pitted side bearings. replaced them both. no improvement. decided to pull transfer case split it and ...
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