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Professional Automotive Repair Technical Discussions for August 2, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2000 Cadillac DeVille 4.6L Ducts VIN: 1G6KD54Y53 I need some help. Car came in with rear a/c out of console heat only will not go cold. Both front pass & driver are cold. My MODIS would not let me get any body codes. I was able to read rear control. The switches in it show to be working. Where is the actuato... |
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| 2005 Cadillac CTS 3.6L Misfire VIN: 1G6DP56745 I need to remove or reposition intake manifold to get to the spark plugs & coils. Alldata states not to separate the upper from the lower manifold. My concern is am i going to separate the manifolds by removing the six bolts from the top manifold. I guess i ne... Trouble codes: P0300, P0303 (Misfire 3 cylinder) |
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| 1989 Chevrolet K3500 Silverado 7.4L Hesitation VIN: 2GCHK39N5K this engine hesitates and pings under load hot . cyl 1 and cyl 3 plug wires burn where wires connect to metal end at spark plug end and burn through boots . changed wires and plugs and again same thing . i believe there is to much resistance in firing plugs li... |
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| 2001 Chevrolet Cavalier LS 2.2L MIL Lamp on VIN: 1G1JC12411 Hi i have a 01 caviler with code p0440 coming back all the time,we have replaces the vent valve and gas cap.with tech 2 we can actuate both vent valve and purge valve,vent clicks on and off purge cycles on and off continuous,have used smoke machine to try to f... Trouble codes: 0440 (Evap system) |
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| 2002 Chevrolet Trailblazer LS 4.2L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1GNDT13SX2 HELLO techs , have this trail blazer here it only act up when run for hour or more got it to act up and am out of ideas HAS no power will not excellerate at all, runs fine until wants to act up EVERY unpredicable. Tested back presure on exhaust for plugged cat... |
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| 2007 Chevrolet Silverado 1500 LS 4.8L ses light on VIN: 1GCEC19X17 the truck came in with a service engine soon light , i hooked up my scanner to start the diagnosis and i got "no communication" to module. the last time this truck was in the shop the other tech said he could only get communication on the global side of the pc... |
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| 2004 GMC Yukon XL 1500 SLT 5.3L rear wheel sensor? VIN: 3GKEC16G04 This 04 Yukon had been experiencing an ABS light on at times. Scan showed C0045 code- left rear wheel speed sensor. I used 2 scan tools to get this code- Mastertech and AE. When going to the data list both only show speed readings for L front,r front and only ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 Chevrolet S10 4.3L No Start VIN: 1GNDT13WOX I apologize to all that this was not closed sooner. Most of you were correct. We found a broken wire at the crank sensor harness. Thanks for all the help. Trouble codes: P0336, P0339. |
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| 2002 Chevrolet Avalanche 1500 Z71 5.3L MIL Lamp on VIN: 3GNEK13T42 hello-the avalanche fix was a new pcm. there was no 5v feed out from the pcm to the tank pressure sensor. sent customer to the dealer for a flashed pcm and both codes are history. thanks to all who helped. Trouble codes: P0449 (Evaporative emission vent solenoid control circuit), P0452 (Fuel tank pressure sensor low voltage). |
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| 2005 Chevrolet Express 3500 6.0L Reverse VIN: 1GBJG31U95 Based on so many replies to replace the trans that is what we did. Van shifts great and reverse is perfect. Thanks for all the replies |
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| 2005 Chevrolet Silverado 2500 HD 6.0L air conditioning VIN: 1GCHC23UO5 Sorry guys that it took so long to close my request but i wanted to make sure that the problem was fixed.First of all thank you all for your professional help and you guys know who you are.After driving the truck for about an hour or so it finally went from co... |
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| 2001 GMC Jimmy SLS 4.3L tranfer case VIN: 1GKCT18W11 Ok so I stayed late friday night and replaced the module (followed my gut due to unable to flash codes and module was freaking out before switch asembly showed posistion change).Ive called the customer saturday afternoon and again today.he states hes put 200-3... |
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| 2006 GMC Sierra 2500 HD SL 6.0L master cylinder VIN: 1GTHC24U76 Thanks for all the help, I replaced the front left & right abs sensors and that fixed the braking issue. The Left was dropping speed faster than the right, but did both at the same time, don't want issues with compatilbilty or the right side to fail. Dave |
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| 1997 Saturn SW1 1.9L starter VIN: 1G8ZH8283V Thanks to all that replied. Checked everything i possibly could and had no success,no loose connections,no melted wires,no relay issues,and the car never acts up,never looses power to radio or fuel pump. Cant even get it to reproduce the original problem,car s... |
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