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Professional Automotive Repair Technical Discussions for May 12, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2002 Buick Rendezvous CXL 3.4L driveline VIN: 3G5DB03E02 this vehicle has a drone at 2100 rpm in any gear,it is a loud booming drone comes from the area of the torque tube mount , have read the fixes about cleaning the mount and vibration dampner . but it makes no difference .. it even does it in nuetral , at 2100 t... |
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| 1998 Cadillac Seville STS 4.6L completly dead VIN: 1G6KY5491W secuity light on dash and car starts up no problem,only thing is drain battery(4amp) I found pass keyIII module and I could see burn board but part is no longer available. gm [...]. any one know how to fix this car if part is no longer available? or where c... |
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| 1998 Chevrolet Tracker 1.6L timing connector VIN: 2CNBE1869W The vehicle underhood label states to check the ignition timing, jump two terminals together on the timing connector. Both Mitchell and Alldata state that this connector is located by the battery, between the right strut tower and the battery. Guess what? No c... |
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| 2001 Chevrolet Impala 3.8L cooling fans VIN: 2G1WH55K11 to all gm techs out there. got thi impala that's overheating. replaced thermostat, ruled out head gasket - not blown & no coolant leak. the issue is that the cooling fans come on low even if the coolant temp is well below 180f. secondly, i don't have high spee... |
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| 2001 Chevrolet Blazer LS 4.3L Poor Idle Quality, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1GNDT13WX1 Truck came in with no-start. Needed secondary ignition replaced. (DONE) Once running, ran BADLY. Misfire codes for #3,#6 and P300. Installed new iinjectors. Performed compresion test (ok) one slightly low. Checked fuel pressure test.(ok) Still runs bad, WILL N... Trouble codes: P1630 (Security code) |
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| 2005 Chevrolet Silverado 1500 4.8L oil pressure VIN: 1GCFK14V75 truck runs, drives fine.customer complained it has lost oil pressure& lifters made noise.we pulled the oil pan, the pickup screen was clean. pulled the timimg cover, found timing chain felt loose. we replaced the chain and gears with a coyes unit but it too se... |
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| 2008 Chevrolet Suburban 1500 LTZ 5.3L Accessories VIN: 3GNFK16338 This vehicle came in for concern of no start at times and cluster goes crazy customer said it did it four times so far if you wait about 15 min it starts again i have codes c0242, u0102, u0100, u0101, u0140, u0121, b1011, and b2555 i did check all the spots fo... |
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| 2006 GMC Canyon SL 2.8L ignition key VIN: 1GTDT19646 The battery goes dead on this truck at times because you can turn the key off and pull it out of the vehicle and the truck will still keep running or at times it will just act like the key is in the on position when you pull it out with the engine off the dash... |
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| 2007 GMC Sierra 1500 Classic SLE 5.3L Unknown VIN: 3GTEC13057 ac will blow hot out of ac vents . we replaced the blend door accuator and recalibrated. all was ok for 2 days . then after shutting down the truck for 20 min restarted and hot air was coming from vents. customer turned temp controle to hot then cold and vents... |
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| 2004 Pontiac Grand Prix GT2 3.8L ABS brakes VIN: 2G2WS52264 Customer brought vehicle in and said ABS actuates at low speeds, just before a total stop. The problem would not occurr every time, we test drove the car. ABS actuated most of the time on normal stops. Scanned codes and testdrove w/ Modis hooked up, found code... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2003 Buick LeSabre Custom 3.8L Poor Idle Quality VIN: 1G4HP52K63 AFTER GOIN BACK TO ALLDATA TO FOLLOW UP ON MORE TESTING TIPS I FOUND OUT THAT ALL FOR RELATED COMPONENTS DIRECTLY RELATED TO THE P1635 WERE ALL GOOD. SO WE CONCLUDED THAT THE VEHICLE HAD A PCM PROBLEM. WE RECOMMENDED FOR THE OWNER TO BRING IT TO THE BUCK DEAL... Trouble codes: 1635. |
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| 2004 Cadillac Escalade ESV 6.0L Level Ride VIN: 3GYFK66N24 OK, everyone was correct, the compressor assy. was bad. Replaced unit, now works fine. I just thought I showld be able to command the compressor on. Thanks to all, iATN rocks |
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| 2003 Chevrolet Silverado 1500 LS 4.8L MIL Lamp on VIN: 2GCEK19V83 well, thanks for all the input, but the cust not come back yet. he needs a sticker next month so ill see him soon i think. the insight about the relocated harness makes sense of the dealers repair i could not see. if he comes back, and it gets fixed, and it do... Trouble codes: P0157, P0449, P0455. |
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| 2006 Chevrolet Equinox LS 3.4L park lights, instrument panel lights VIN: 2CNDL63F16 I had forgotten about this vehicle as we had heard nothing from the customer until today. She returned today with the same fuse open. I replaced the fuse and the lights worked fine afterward. Thanks to all who posted. I am getting anothe crack at this one tomm... |
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| 1990 GMC C6000 Topkick C6H042 6.0L Poor Idle Quality, Stall VIN: 1GDL7H1PXL Thank You to all that gave their time and suggestions. This is running very well now and I am calling it fixed since it no longer "hunts/surges" for the right idle speed and doesnt die out and cut off, and also since my customer (Salvage Yard owner) is very sa... |
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| 2003 Pontiac Vibe 1.8L Windows VIN: 5Y2SL62873 Thanks for all the help but unforturnatlly I never did find the cause of the problem on this one. She did take to a couple of other shops and it also stumped them , so she decided to trade it in for another car. Thanks again Don |
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