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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 22, 2006
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Open Help Requests for GM
Help Request Answers
1969 Chevrolet C10 5.7L Blows Gears VIN: CS149B8458
Customer brought this converted 1969 Chev pickup into me to see if I could repair his problem. Let me start off by saying this is a 1969 Chevy pickup with a 1996 5.7 LT1 and a 4L60E behind it. The engine has a LT1 Hotcam with headers and a custom programed vcm...
1994 Chevrolet Corsica 3.1L No Start VIN: 1G1LD55M3R
Hi all Have worn out fingernails from scrathing my head.Car came in intermitant stall but would restart.Code 36 and 80.couldnt even get it to stallfor aweek so put on new crank sensor on front .customer returned couple days later said stalled twice cold .would... Trouble codes: 36 (crank sensor), 80 (trans error)
1998 Chevrolet Astro 4.3L rotors
This vehicle keeps coming back to us with slighly warped rotors and a very picky owner.I have tried thus far far, factory pads, bendix pads, ceramic pads and finally the last time i installed a high quality non mettalic pad.the problem is that my customer will...
2002 Chevrolet Impala 3.4L cooling fans VIN: 2G1WF55E32
There is a green wire from the processor that grounds the relays for the cooling fans this wire is not grounding and turning on the fans. You can turn the fans on with our scanner and if you ground the relays yourself. The fans also do not turn on with the A/C...

Fixes & Summaries for GM
Fix/Summary Answers
1986 Buick Regal 3.8L performance
Got many replies most of them saying to go to catalog houses, JEGS, Summit, etc. don't waste your time they offer no help only sell parts and if you don't know part number a page in catalog forget it! I tried them before posting. Also tried Automotive Engineri...
1987 Buick Electra Park Avenue 3.8L Excessive Emissions, Cuts out, Misfire VIN: 1G4CW5132H
Thanks to all who tried to help. Almost all the replies pointed towards a MAF problem. We tried a 'known-good' used MAF,but no improvement. Due to increasing lower-end engine noise we were able to convince customer that vehicle is not worth fixing. According t...
1999 GMC K2500 Suburban 7.4L driveability VIN: 1GKGK26J1X
Hello Everyone: This is regarding the 1999 GMC Suburban Passlock problem I posted in December 2005. Thanks to everyone who supplied me with outstanding advice on this particular problem. I have received 11 replies to date. At this point in time, because of t...
2000 Saturn SL2 1.9L Poor Fuel Economy VIN: 1G8ZK5279Y
gotta love it. the overwhelming response was change the thermostat and a few said saturns had a problem w the temp sending unit. both responses were right. I did the t-stat first, believe it or not sometimes it would stick open other times it would stick close...
2000 Saturn LS2 3.0L No Start VIN: IG8JW52R7Y
Hello Friend's I got a Few response's on that one, also one good one with good explanation from James [...]..., Thank you James, since the battery was remove by the Costumer all the UCM code was gone and didn't have no way to find out, if the battery connec...
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