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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 19, 2007
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Open Help Requests for GM
Help Request Answers
1997 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13W3V
The customer repeatedly complained about no-start condition. We could not reproduce it before, however. This time we were doing supension work on the vehicle, and it suddenly stopped starting right in our shop. At this point, it cranks, but does not even fire....
1998 Chevrolet Prizm 1.8L dlr module VIN: 1Y1SK5281W
High to all. This 1998 Chevrolet Prizm came in about two weeks ago with a headlight not to shutting off problem. It turned out to be the daytime running light module. I replace the module and the car was fine for about two weeks. The car was towed back in the ...
2002 Chevrolet Suburban 1500 LT 5.3L abs controller VIN: 1GNFK16Z92
the abs on this truck activates almost everytime when coming to a complete stop,it stops fine until it gets to about 5 mph then the abs comes on and the pedal pulsates rapidly until truck stops,watching data with scan tool shows all speed sensors are reading t...
1998 Oldsmobile Aurora 4.0L climate control system VIN: 1G3GR62C7W
hey fellow techs, i have this 1998 olds aurora with electronic climate control. i unfortunately do not have a tech 1 scanner to test this system. my snap-on scanner and genysis scan tool are not able to scan the hvac for codes on that year. the problem is the ...
2004 Pontiac Grand Am GT 3.4L security? VIN: 1GCEDJJH14
sorry i am at home & dont have acces to vin. car came in no start no crank.security light is flashing & no codes.have replaced several lock cylinders for no start with passlock code but never a no crank. tried relearn procedure for passlock & car started. my q...
2000 Saturn LS2 3.0L timing belt marks VIN: 1G8W52R4YY
I've checked with Mitchell and Alldata, and research the fix data-base {am aware that Cad Catera same} and I'm still confused with exactness of line-up and procedure from start to finish. I've read that gear sprockets are interchangeable, and so are the marks,...
2000 Saturn LW2 3.0L MIL Lamp on, P1511 VIN: 1G8JW82R9Y
This car arrived with code p0030 and p1511, a noisey water pump and oe timing belt. I replaced plugs, timing belt, water pump, O2 sensor and accy. belt. I thought that the faulty O2 sensor might cause some type of throttle issue, and hoped that all would be we... Trouble codes: P1511

Fixes & Summaries for GM
Fix/Summary Answers
1991 Chevrolet V3500 Silverado 7.4L transmission VIN: 1GCHV33N3M
thanks very much to everyone the replied to my request.i will have to use the diesel control module because it reads info from the eng speed sensor as compared the distributor sending a hall effect type signal for rpm.the diesel eng speed sensor does not read ...
1991 Chevrolet V3500 Silverado 6.2L late shift VIN: 1GCHV33N3M
i found out today that the 1994 tcm will not control my 1991 4l80e because of build differences.i will need a 91-93 tcm and then trans should be ok.thanks very much to all that replied as your info was very usefull.iatn and its members are the best.k.w.
1995 Chevrolet Blazer 4.3L Knocking VIN: 1GNDT13W05
Hello, techs, and thanks to all who have offered advice. I must amend my svc mgr's earlier post regarding this vehicle, he left out alot of pertinent info. This vehicle belongs to a church, had one of their members install a new oil pump. Oil pressure problem ...
2001 GMC Sierra 2500 HD SL 6.0L Brakes VIN: 1GTHK29V41
We just delivered this truck back to the customer yesterday. We bled and bled and bled the brakes, and found VERY black fluid and air come out of the rear. After a weekend of my co-worker using the truck for personal use with no problems, we returned the truck...
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