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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 2, 2014
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Open Help Requests for GM
Help Request Answers
2003 Cadillac Seville STS 4.6L MIL Lamp on VIN: 1G6KY54963
What am I overlooking with this caddy. Car sets P0300 after a few minutes of driving. When I watch the misfire counters all cylinders clock misfires between 1800 and 3000 RPM's. The engine is not misfiring but the counters are counting up on all cylinders. The... Trouble codes: P0300 (Random cylinder misfire)
2005 Cadillac STS 4.6L Oil Leak VIN: 1G6DC67A25
Hello to all. I need advice on this caddy. We did valve cover gaskets earlier this year and now it is leaking out of bell housing area. I have done some reading in the archives and online and was wondering if this leak is rear main (it call for 12 hours in all...
2003 Chevrolet Silverado 2500 HD 6.6L Allison Transmission VIN: 1GCHK29163
The transmission shifts hard into reverse. The check engine light is on with 3 transmission codes. P0841- trans pressure switch solenoid c stuck off, P0843- Trans pressure switch solenoid c circuit high, and P0875- trans pressure switch reverse circuit. I went...
2009 Chevrolet Express 2500 6.0L Cam Locating pin VIN: 1GAGG25K89
This vehicle was towed in with a no- start complaint. After checking all basic we pulled front cover to check for sheared cam pin and found that it is sheared and also has bent valves. There is a GM PI ([...])on this problem and they say to replace engine. ...
2001 GMC C7500 Topkick C7H042 8.1L Engine VIN: 1GDJ7H1E11
Truck is used for seasonal work (i.e. salt spreading) Truck ran fine all day, parked over night in heated shop. Two days later, went to move truck outside, discovered No-Start. I have checked all fuses and relays, all seem to be working fine. I am newer to the...
2005 GMC Yukon XL 1500 SLT 5.3L dome lights and reverse lights VIN: 1GKFK16Z35
Truck came in with no dome lights or reverse lights. A co-worker found TBC "B" fuse blown. He replaced that fuse and both reverse bulb. Operation was normal for two day then the fuse blow again. I checked the circuits and found no problem. so I replaced and re...

Fixes & Summaries for GM
Fix/Summary Answers
2004 Chevrolet Suburban 1500 LS 5.3L guages VIN: 1GNFK16T94
thanks for all your great replies. I went after body control module and found aftermarket alarm wired into b.c.m.I removed alarm and refit connectors @ b.c.m.added dieletric grease to connectors.and all is well.cust.verified working great.thanks again.Bill
2007 Chevrolet Silverado 3500 Classic LS 6.6L MIL Lamp on VIN: 1GCJK33D27
Hello to all hope all are well.This truck is fixed,man what a job,the turbo can be done from up top.I have became very intimate with mostly all orfices that 1 man can get close to from lying on his stomach\chest.The truck and I are still courting,hopefully we ... Trouble codes: P003A, P0045.
2012 Chevrolet Cruze LTZ 1.4L turbo VIN: 1G1PH5SC6C
I replace the turbo and a plastic oil return line, this line was burned because the turbo stock and overheat, I get new pars from dealer no cheap but it work
2003 GMC Sierra 2500 HD SLE 6.6L Transmission VIN: 1GTHC29123
Installed a new TCM, reflashed to proper calibrations and vehicle is doing fine.
1993 Oldsmobile Cutlass Ciera SL 3.3L Stall VIN: 1G3AM53N5P
I tried my best to recreate the stalling complaint as described by the customer but was never able to duplicate the fault while driving. When I got the car initially, I was expecting a lock-up torque converter issue, but didn't make it out of the bay when it s... Trouble codes: 15 (Coolant sensor), 16 (High Battery Voltage), 21 (TPS Circuit), 43 (EST Malfunction).
1998 Pontiac Sunfire GT 2.4L start and stall VIN: 1G2JD12TXW
ok guyes there was two problemr with this one the engine im assuming was changed because of the start and stall then the other shop decided it was the theft system when i got it i did repair some wires and replace the lock cyl the rest of the story was the con...
1999 Pontiac Grand Am SE 2.4L Poor Idle Quality, Hesitation, Cuts out, Stall, Engine Dies VIN: 1G2NE52T2X
I apparently overlooked the MAP Sensor on this vehicle. Thanks to all that reminded me. After checking the hose and finding a crack, I replaced the hose. This however didn't change my problem. I checked for 5v reference voltage and ground, both checked good. ...
2006 Pontiac Torrent 3.4L Temp Blend Door VIN: 2CKDL63F26
Well this project from hell is finally finished. What should have been an easy fix using the kit was not. Unfortunately, the way my shaft broke it split diagonally across the shaft including splitting up to the coupling at the actuator. When the temp was chang...
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