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Professional Automotive Repair Technical Discussions for September 28, 2007 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1994 Chevrolet K1500 Suburban Silverado 5.7L abs module VIN: 1GNFK16K1R vehicle came in with abs and brake lights on. pulled codes and had multiple codes for every part of the system. came to the conclusion that the module was bad. replaced module with a re-man unit. lights were out for a day or so. customer came back and said lig... |
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| 1999 Chevrolet Cavalier 2.2L alternator VIN: 3G1JC5249X Thanks every one for reading my request the car was towed in battery dead charged the battery car started right up and alt light is on Checked charging and it is not charging has 12 volts at bat pos conector at the alt has nothing at the plug in on L or F so I... |
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| 2002 Chevrolet Silverado 1500 4.3L Poor Idle Quality, Stall, MIL Lamp on VIN: 1GCEC14W42 this truck came in from another shop. with dis out. have set the rotor to #2 on cap to retime.; truck runs but sets a cam code the cam retard is -42deg. if any gm techs know something i don,t. thanks to all who reply Trouble codes: P1345 |
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| 2003 Chevrolet Tahoe LT 5.3L Transfercase VIN: 1GNEK13Z53 This thing goes into 4 high when driving straight or sometimes when turning a corner all by itself , we noticed it went into 4 hi when we were turning. We only got it to go into 4 hi once on its own and that was on a test drive not in the shop. Customer says i... |
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| 1999 Saturn SL1 1.9L Harsh Shift VIN: 1G8ZH5280X Thanks in advance for help. This transmission shifts very hard in between all gears. So much so that the tires chirp on each shift. The fluid is clean, and there is not any slippage. I saw bulletins on the wires breaking at the connector and have checked exten... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 Buick LeSabre Custom 3.8L Misfire, MIL Lamp on VIN: 1G4HP52K9V the little old lady cuctomer chose to get a waiver for two years for her smog. i could not definetly know the problem without pulling everything apart and taking a look. the uneven compression is the only thing i can say for sure it had but don't no if that ca... Trouble codes: P0300, P0304, P1200. |
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| 2000 Buick LeSabre Limited 3.8L No Start VIN: 1G4HR54K6Y Well after the all of the replies I decided to put in a new crank sensor,let the customer take the car.Thanks for the help. Jon Trouble codes: P0336 (18x CKP problem). |
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| 1987 Chevrolet Cavalier RS 2.8L Hesitation, Cuts out VIN: 1G1JE31W7H well as it turns out i tried a new computer and there was no change i then ordered a new prom and that fixed almost all of my problems.. thanks to all that gave me input. |
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| 1990 Chevrolet C1500 Cheyenne 5.7L Poor Idle Quality, Surge, Stall VIN: 2GTEC19K6L A big thanks to all that have replied. We ended up doing a fuel pump volume test and found that about 1 out of 10 times the fuel pump was putting out enough volume to supply the engine. Replaced fuel pump and truck works like new. |
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| 1996 Chevrolet K1500 Suburban 5.7L no power to cab VIN: 3GKFK16R2T thanks for all the help guys. i took another look at the ign switch with all the shrouds off and i still couldnt find a problem or get a failure so armed with the most likly possibility we let the customer make the call. he opted to try and ignition switch and... |
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| 1998 Chevrolet Express 2500 LS 5.7L Misfire VIN: 1GCGG25R3W Well, after messing around with this thing and only getting it to run crappy for a little bit, I put the vehicle on the lift to do some brake work and found a big rot hole in the frame. So the Van is now deadlined and no skip to worry about. Thanks for all t... |
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| 2001 Chevrolet Corvette 5.7L active handeling VIN: 1G1YY32G01 Well now that the smoke has cleared . The fix was replacement of the steering sensor.The problem with the cruise is also gone to. I would like to thank everyone for the help . Great job guys ] T%ill next time. |
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| 2003 Chevrolet Silverado 1500 HD LS 6.0L Hvac VIN: 1GCGK13U93 Apologize for the delay in responsding but the owner has not brought the vehicle back for further diaginois. He's a contractor and the climate has gotten cooler, so in no hurry to bring it back. We are in agreement that the pressure cycling switch is the probl... |
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| 1994 Oldsmobile 88 Royale 3.8L Stall VIN: 1G3HN52L8R thank you for all your help i must apoligize i did not give very good information did not completly diagnose before reaching out for your help this was an intermitten problem after warm up nevertheless what we found is tha the codes probeably was not the cause... Trouble codes: P1640, P1670. |
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