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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 31, 2010
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Open Help Requests for GM
Help Request Answers
1992 Chevrolet S10 4.3L Timing VIN: 1GCCS1929N
I installed a remanufactured engine in this S-10. In attempting to set timing on engine with timing light, I cannot make the timing marks align, with or without the timing advance wire connected. The timing marks are 180* apart, although the engine will start ...
1995 Chevrolet K1500 Silverado 5.7L temp gauge VIN: 1GCGK29K5S
Hello all: I've put my thinking cap on but drawn a blank. The temp gauge on this truck goes up and down in a regular fashion every minute or so. I initially replaced the thermostat to no avail and then replaced a leaky water pump and put a Delco thermostat in ...
1996 Chevrolet Tahoe 5.7L p1870 VIN: 3GNEK18R0T
OK got it back with "new converter and the transmission total rebuilt" the truck seems like it lost power now, the motor goes but it's not as fast as it was from 1-2 shift it rev out it seems to much, and now i have the code p1870 any help would be a plus that...
1997 Chevrolet Lumina 3.1L MIL Lamp on VIN: 2G1WL52M4V
cooling fan not coming on--have it directly hot wire! my service engine soon light is on and i have replaced all the above componments for the cooling system. it has 3 cooling fan relays and they have been replaced. after replaying the above and re-setting the... Trouble codes: 0174 (coolant fan relay)
2006 GMC Sierra 2500 HD SLE 6.0L MIL Lamp on VIN: 1GTHK29U76
Hello, I had posted a question about this truck a while ago, since that question was posted, I replaced the crank sensor with a GM unit, and performed a crank relearn...Twice. And the problem only got worse. It used to take about a month or more before the SES... Trouble codes: P0300 (Random misfire)

Fixes & Summaries for GM
Fix/Summary Answers
1999 Chevrolet Tahoe 5.7L No Start VIN: 3GNEK18R1X
Thanks for all the graet help and replies. Futher testing found a defective ignition switch.Replaced the switch with OEM unit and all is well now. Thanks for all the great help from my iATN members. The one thing i don't understand is why the fuel pump was rep...
1992 Pontiac Bonneville SE 3.8L heater VIN: 1G2HX53LON
Finally got time to work on this car again. I read all the responses I've received and to be quite honest I believe there are a lot of mechanics out there that just can't read or they can't UNDERSTAND what they read. First this is not a supercharged car (vin n...
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