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Professional Automotive Repair Technical Discussions for September 11, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2000 Cadillac DeVille DTS 4.6L dash cluster VIN: 1G6KF5791Y customer had replaced both tag lights, still didn't work, checked fuses and had one blown fuse. replaced fuse and tag lights worked. Cluster did not operate after tag light fuse replaced. Car is in our shop now, checked fuses under hood and seat, all good. Nex... |
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| 1994 Chevrolet Caprice Classic 5.7L No Start VIN: 1G1BN52P7R this vehicleis a no start came in with a code 16 no low refreance signal cleared code and tried to start code did not reset followed diag for no start and replaced distributor still no start and no rpm on scan tool note does have spark no injector pulse tried ... Trouble codes: P016 |
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| 1998 Chevrolet Tracker 1.6L compressor VIN: 2CNBE1863W Vehicle will engage compressor only after a few minutes of driving. This is my personal vehicle and it will engage at the same spot every day. I can let it sit and run for a few minutes and it will eventually come on. Mechanically the system is working properl... |
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| 2001 Chevrolet Corvette 5.7L fuel gauge VIN: 1G1YY22G11 Hey guys, I have this Vette that the fuel gauge goes to half a tank regularly but the next time it will move, it goes to empty. I haven't been able to duplicate client's concern yet, but he's a first time customer and I'd like to keep him. Both fuel tanks are ... |
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| 2002 Chevrolet Suburban 2500 LT 6.0L Hesitation, Cuts out VIN: 3GNGK26U62 Hello all, I have a 02 surburban that will hold back and hesitate and intermittently ping when trying to accelerate. Car was driving fine one minute then all of a sudden it lost 50% of its power. CEL came on and the code was for a MAF low signal, I replaced th... |
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| 2004 Chevrolet Silverado 1500 4.8L Vibration VIN: 1GCEC14V84 Hello guys and gals-This half ton has a vibration that comes in at 70 kms.Picture badly out of round drums on the rear when braking-thats the sort of vibe Im talking about.This truck has an aluminum 1 piece driveshaft and U joints feel good and are newer.Calip... |
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| 2005 Chevrolet Silverado 1500 5.3L wheels VIN: 1GCEK14T15 Thanks in advance crew!These front tires vibrate after rotation,after market rims,took to dealer 1 time and they relocated"the rims"(not a unilug rim standard sizes)cleaned the rotors,55-60 mph speed only.Thanks |
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| 2005 Chevrolet Colorado Sport 3.5L out put seal VIN: 1GCDT13626 We have a 2006 Chevy col. Left rear axle seal leaks. vehicle came in for brakes, we replaced seal same time because it was leaking. Came back for grabby brakes...seal leaking again, replaced seal. two month later same thing. Axle shaft is straight, bearing was... |
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| 2005 Chevrolet Silverado 3500 6.0L alternator VIN: 1GBJK34U15 Hi gentlemen we have this pick up that stopped charging on the highway.we towed it in and typical test with tester no charge .With the age of the battery we decided to put a battery in and alternator.Well to our surprise still no charge.Well we put the brakes ... |
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| 1996 GMC K2500 Sierra SL 6.5L no start VIN: 1GTK24F2WZ Ok guys, this thing came with a no start issue about a month ago. Tested and replaced both batteries and the alternator. shipped it and it came back about two weeks ago with the same problem. Batteries were dead and no start. Charged thre batteries and tested ... |
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| 2001 GMC Yukon XL 1500 SLT 5.3L No rev above 2500 VIN: 1GKFK16T11 This vehicle is driving me nuts. Customer brought in on trailer. Customer stated vehicle started losing power and backfiring through the intake under load such as going up a hill. They pumped the accelerator and managed to get 5 more miles when the vehicle sta... |
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| 1992 Oldsmobile 88 Royale LS 3.8L No Start, Misfire VIN: 1G3HY53L7N Even the hair on my chin is falling out with this one. I have replaced the original 3.8 motor, which spun a bearing, with one from a 1990 Buick Regal (according to the wrecker) - both engines are VIN L. I kept the electronics from the original engine. The prob... |
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| 1999 Pontiac Sunfire SE 2.2L Radio VIN: 3G2JB1241X Hey, We've got this car from a local car lot we repaired some wiring and fixed all our issues. Except for the fact the radio was in theft lock when we got it. I was wondering if any body could either tell me the code to unlock it or tell me how to turn these ... |
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| 2000 Pontiac Montana 3.4L Surge VIN: 1GMDX03E2Y i think this a tcc problem and or valve body issue but can not prove it. engine surges about 150 rpm from 30-45 mph in 3rd or 4th gears with tcc duty cycle between 50-85%. tcc at 100% no surge and when less then 50%. made the ususal checks. does not seem to be... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2008 Buick Lucerne CXL 3.8L ride comfort VIN: 1G4HD57268 Well, we were unable to come to a conclusion on this one. The customer had it at the dealer before he brought it to me and they had no explanation. As I stated before, the VIN's indicated that the suspension was identicle from car to car. It was too difficult ... |
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| 1993 Chevrolet Astro 4.3L Poor Idle Quality, Surge, Misfire, MIL Lamp on Well, once again thank you all! I always get great info from this site and its members. A special shout out goes to Don from Iowa. He nailed it! Turns out the prom that I ordered (by the part# that painless says to use)is actually for a 350 motor. I learne... Trouble codes: 44 (Lean Exhaust). |
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| 1995 Chevrolet Tahoe LS 5.7L No Start VIN: 1GNEK13K3S sorry for not closing sooner. but the truck is not in my shop right now. its in the cust. driveway dead wont start cranks fine no spark no inj. pulse not running. all grounds have been checked.he has replaced the control module 2 more times im sending him a wi... |
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| 1997 Chevrolet Express 2500 5.7L long crank time cold VIN: 1GCFG25R7V Long crank time condition turned out to be an intermittent, incorrect signal from PCM, Engine had coolant temperature sender replaced twice, problem would come and go. Finally one day we caught an eroneous signal from PCM, Then we checked harness between CTS a... |
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| 1997 Chevrolet Blazer 4.3L Connector VIN: 1GNDT13W5V Thanks to everyone who replied. Roy from arkansas's tip on heating the connector with a heat gun was THE BOMB. Turned the sealer back into a soluable form instead of super glue. 30 seconds later off it came. Thanks to David for the first reply and bulletin inf... |
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| 1998 Chevrolet S10 2.2L Misfire VIN: 1GCCS1446V WOW I CAN'T BELIEVE THE HELP I RECEIVED...JUST AMAZING...WELL IT WAS THE TIMING CHAIN HAD JUMPED...I COULDN'T BELIEVE IT...THANK YOU TO EVERYONE!!! I LOVE IATN!!! |
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| 2004 GMC Sierra 1500 SLE 5.3L ac temp VIN: 2GTEK19T34 There were actually two stages of the repair process. As stated by Clifford in Missouri, there is a GM developed reflash that improves AC performance on select models. We tried the reflash and noticed vast improvements on the symptom, but the issue still exi... |
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| 2005 GMC Envoy SLE 4.2L MIL Lamp on VIN: 1GKDT13S05 thanks again to all who offered help. we replaced the oxygen sensor and that took care of the problem this vehicle has 54k miles on it. the sensor that we replced was original. the data stream between the 2 sensors was like night and day. not sure why i got st... Trouble codes: P0171. |
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