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Professional Automotive Repair Technical Discussions for March 5, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2006 Buick Lucerne CXL 3.8L temp motor VIN: 1G4HD572X6 The car came to me to recharge the a/c after condensor replacement. I was asked to diagnose the lack of heat on the passengers side after the body was damaged. The body had very little damage, bumper cover, grille, condensor. I evacuated and recharged it. The ... |
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| 1990 Cadillac DeVille 4.5L Excessive Emissions, Poor Idle Quality, Stall, Poor Fuel Economy, Fuel flooding plugs VIN: 1G6CD5336L Intermittently and randomly, engine seems to fuel flood and have trouble starting with black exhaust.Hard to keep running until sometimes the fuel loading clears.Sometimes it runs well.Sometimes there are multiple codes stored that may or may not repeat after ... |
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| 2003 Cadillac DeVille DHS 4.6L tcc lock up VIN: 1G6KE54Y53 This car came in with a SES light on. Code P0741 (TCC system stuck off). Checked all the electrical and all is good. Pcm commands lockup and sends power to solinoid. I can power up the soliniod and hear it click. In my research I found TSB # 04-07-30-034A. In ... |
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| 2005 Cadillac Escalade 6.0L liftgate lock VIN: 1GYEK63N55 Thanks before hand. The liftgate in the back will not unlock. WE can't get the door to open and we cannot find the relay for the lock. All Data says in the B pillar, and Mitchelll says at the pass kick panel. We can't find it at either of the locations. If any... |
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| 2009 Cadillac CTS 3.6L Climate control VIN: 1G6DV57V49 We recently bought this 2009 Cadillac CTS with 95,000 miles, yes 95K, and the backlight for the drivers side temperature control display was inoperative and some of the buttons didn’t work properly in the climate control and radio/nav section. For example, the... |
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| 1995 Chevrolet S10 2.2L trans, speedometer VIN: 1GCCS1444S Strange one here. Every morning customer stated that when cold at first start up, transmission will not shift from 1st gear, speedometer wont work, and brake light is on. IF he lets it idle ten minutes or so, everything is fine. It has only dropped out on him ... |
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| 2001 Chevrolet S10 2.2L MIL Lamp on VIN: 1GCCS14511 car came to my shop for various repairs 1 being it failed emissions test vech with smoker acessed from canister purge valve under truck and noted leak from top of fuel cell tank lock ring also had leak from filler neck replaced rubber seal on pump and lock rin... Trouble codes: P0442 |
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| 2003 Chevrolet Express 2500 5.3L Overdrive VIN: 1CFG25T731 To all the GM techs. Just to verify, if the Tow/Haul light is flashing, and the trans is shifting in and out of overdrive, Does it need to have the trans gone through or is it an electrical issue? Alldata does not give any info for checking this. And I have no... |
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| 2005 Chevrolet Blazer 4.3L parking lamps VIN: 1GNCT18X35 hello fellow techs, I have an 05 blazer that, with the keys out of it,turns on the parking lamps when you depress the brake pedal, I am leaning towards an ignition switch, but I don,t want to throw parts at it. I was wondering if any one else had seen somethin... |
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| 1991 Oldsmobile Delta 88 Royale Brougham 3.8L No Start VIN: 1GC3W53C6M i have checked the firing order against a running car,taken a fuel sample,ohm and flow checked the injectoers exhaust is clear took timing cover off,chain is dead on i have good spark,good fuel and compression of 150 across the board...the car will not even st... |
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| 2003 Pontiac Grand Am SE 3.4L instrument cluster VIN: 1G2NW52E23 Help GM Techs! FYI-Customer has replaced the ignition switch and lock cylinder twice in the last year for various reasons. The vehicle came to our shop starting and running normally with the switch the customer installed. The instrument cluster is inoperative ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2004 Cadillac CTS 3.6L Power Locks & Windows VIN: 1G6DM57714 Thanks for the help guys, the fix is in. The class 2 diagnosis is now less vague. 1st. The modules thar ARE communicating will set a U1000 code due to the module that is NOT. DON'T look at these as problems but as a point in another direction. The modules stil... |
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| 2005 Cadillac DeVille 4.6L automatic level control VIN: 1G6KD54YO5 Hey guys, Thanks for your good information and taking time to reply. This is the first time I've seen this situation: the customer declined any further diagnosis and repair. SHE HAD TO HAVE THE CAR IMMEDIATELY SO SHE COULD GO BACK TO THE INDIAN CASINO TO GAMBL... |
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| 1997 Chevrolet Cavalier LS 2.4L Starting VIN: 361JF12T4V i repair this car,so i change the computer,and the car star,i apreciate all you technician to help me with this problem.thanks very much. |
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| 1999 Chevrolet Tahoe 5.7L Other VIN: 1GNEK13R5X Yes thanks to all who helped on this project 1999 TAHO we did all that was sent presh test turned up #4 cly only had 25 lbs pres turned out the #4 egaust valve was to tight backed it off pute it backtogether crossed the fingers and she runns like new smooth as... |
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| 2000 Chevrolet Express 3500 5.7L High idle VIN: 1GCHG35R7Y Well it ended up being the intake like I and many others here have thought. Thanks alot for all of your imput. |
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| 1996 GMC C2500 Suburban 6.5L Mechanical VIN: 3GKGK26F4T thanks to all for your ideas. Tim, Scott and Terry you guys were right on. we found a injector issue. one was dumpping fuel. for every one out there we should have performed a power balance first. this would have saved us sometime. instead of assuming it was m... |
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| 2001 GMC Sierra C3 6.0L transmission VIN: 2GTEK69U51 Well the C3 is fixed...but I didnt fix it. The owner spoke to the trans shop, they said bring it in. He said when they pulled it apart everything was shot. He opted for a GM reman unit and truck is back on the road. Thank you to all that replied. ROB |
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| 2002 Saturn SL1 1.9L No Start VIN: 2345RRTYUI After using another scan tool we found trouble codes from body computer, U1300/U1024/U1064/U1016/U1096. We called 'identifix' and the best we could come up with was a failed Body control module, which requires OEM programming. Vehicle will be towed by customer... |
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