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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 1, 2007
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
1992 Buick Century Custom 3.3L Cuts out, Stall VIN: IEKM38J49J
hi all i need some help on this buick it stalls esp. in parking lot maneauvers, when it is cold,it does it when warm but not as much there is no codes and fuel is not the issue i have replaced the iac and the mass air flow sensor with no change i even altered...
1996 Buick Skylark Custom 2.4L No Start, Stall, Misfire VIN: IG4NJ52TST
This problem started as a surge at highway speeds,nothing was really found so I replaced the fuel pump which was at the low end of specs.180 miles later it was towed in running on 2 of the 4 cylinders. I replaced the coil housing and one coil it fired right up...
1955 Cadillac Fleetwood 75 331CID 2-3 upshift
Thanks in advance for any help I can get. I have not serviced or rebuilt one of these cast iron hydramatics since the 70's. This one works good except for the harsh 2-3 upshift with light throttle. With WOT 2-3 upshift is OK. Adjustment of tv rod to specs make...
2001 Chevrolet Tahoe 5.3L compressor VIN: 1GNEK13TX1
We've installed all the new parts listed above, after flushing the system for 2 hours. The truck blowed cold for 3-4 hours, turned the vehicle loose to the customer, only for him to return shortly after, system blowing hot. After checking the truck, found that...

Fixes & Summaries for GM
Fix/Summary Answers
2003 Buick Rendezvous CXL 3.4L awd VIN: 3G5DB03E12
Well, we'll call this one a fix. The pump clutch valve was the problem and the fix. The service information on the AWD system is very sketchy at best, and that's being kind, but somehow the computer computes/guesses/thinks it knows the rear differential temper...
2000 Cadillac DeVille DHS 4.6L Unknown VIN: 1G6KE57Y4Y
Unbelievable is what iATN is. Thank you for all the responses, they were all right on, as well as the one about my not being a sponsoring member. My boss was very impressed as well. My membership will be updated soon. Thanks to all.
1986 Chevrolet Camaro Z28 5.0L Excessive Emissions, Poor Idle Quality, Hard Start VIN: 1G1FP87F0G
Some of you nailed it, Fuel pressure regulator fixed it. The last several times I checked the vacuum line did not leak but this last time after hot soak fuel came out the vacuum line explaining the gas smell and flood condition. It pays to recheck sometimes. ...
1991 Chevrolet V3500 Silverado 6.2L engine VIN: 1GCHV33N3M
Hi guys and girls.The problem ended up being leaking injector(s).Know what made it sound like more was because the timing was to far ahead in the first place and adjusting the pump to line up the marks only advanced it further making it worse.I retarded the pu...
1999 Chevrolet Blazer 4.3L Transfer case VIN: 1GNDT13W6X
I replaced the switch (new) and the module from a working blazer and still having same problem. Removed encoder and manual shifted transfer case, seemed a little hard to shift but could get it to shift. Did find some corrosion on module connector which might b...
2002 Chevrolet Venture 3.4L fan does not come on VIN: 1GNDX13E2Z
To all. Thank you again for every things. I found out that the temperature on scan tool read 230 degrees than the low fan come on. But the gauge read about 3/4 hot. The cooling fans come on at 230 degrees like all of you said. It works. Thank you. wish al...
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