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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 8, 2014
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
1996 Oldsmobile 98 Regency Elite 3.8L fuel tank collaspe VIN: 1G3CX52K9T
Replace fuel tank for corrosion. New Tank has collapsed. Did not replace filler cap. Vent tube is clear and installed correctly. Canister vent line is clear and there is no gas in the canister itself. Concerned that installing a 2nd new tank will have the simi...
1999 Pontiac Grand Am SE 2.4L Poor Idle Quality, Stall, Poor Fuel Economy VIN: 1G2NE52T6X
Hello fellow members this has gotten the best of me any help would be greatly apreciated. I have replaced the whole coil and module with two another good known ones and even replaced the coil cover and boots with new ones. 1999 Grand Am with a 2.4 L. runns v... Trouble codes: P0171 (Lean mixture)

Fixes & Summaries for GM
Fix/Summary Answers
2001 Buick Park Avenue 3.8L MIL Lamp on VIN: 1G4CW54K11
The u1064 code was in the engine. I tried taking the RF seat out to get to airbag module. There are 2 bolts in the back and none up at the front of the seat???. Don't know how to get this seat completely out. The seat will tilt forward enough to put a 2x4 unde... Trouble codes: U1064.
1998 Cadillac DeVille d'Elegance 4.6L inop
thanks techs turns out just like the replies i received the cluster was not sending the 12 volts to the pcm that the pcm pulls the 12 volts to ground creating a square wave out of the 12 volts i replaced the cluster and the speedometer works good
2005 Cadillac STS 4.6L Oil Leak VIN: 1G6DC67A25
Wow what another awesome example of why IATN is the best. What great and helpful amount of replies we received on this. The best route was to remove engine and do a total reseal. The customer understood and would have done it if the were going to keep it. It w...
2011 Chevrolet Cruze LT 1.4L Camshaft Alignment VIN: 1G1PG5S90B
We just indexed all the moving parts, secured the rear of the cams with a steel plate, rigged a dowel to hold the tensioner in place and performed the job. So far there has been no issues, car is still on the road.
2003 GMC Sierra 2500 HD SLE 8.1L radio VIN: 1GTHK29G33
I want to first thank you for the responses I did receive. I did Re-Run those tests as suggested, to make sure I didn't skip any...Same results. It was definitely was a Bose amp, as there was some confusion in the SI. The most confusing part of testing reveal...
2007 Hummer H3 3.7L Odometer VIN: 5GTDN13E57
Well, I created a problem when there was none. I assumed that the "KM" on the self test next to the odometer meant it was in kilometers not miles. Im sorry for wasting everyone's time. It was reading in miles the whole time.
1994 Pontiac Bonneville SE 3.8L Oil in intake VIN: 1G2HX52LXR
Well I think this headache is finally over. It ended up being the PCV valve. Replaced it with an ACDELCO valve and the problems went away. The intake was a DORMAN intake only because I could not find a real GM one for this old of a car. I really appreciate all...
2002 Pontiac Bonneville SLE 3.8L No Start VIN: 1G2HY54K22
Checked all coils and had one with high resistence, replaced all coils and module, cleaned grounds, starts and runs fine now, test drove OK. Thanks for all the help and support, David
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