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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 15, 2009
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Open Help Requests for GM
Help Request Answers
1995 Buick Riviera 3.8L Hesitation, Misfire
Very good customer of ours complains of an intermittent misfire/stutter/stumble, mostly cruising around 60 mph. I've replicated the symptom on several test drives, and notice the same stumble under acceleration, at cruise, at moderate and light throttle, and o...
1989 Chevrolet Corvette 5.7L No Start VIN: 1G1YY2180K
Hi all, This vehicle start and run perfectly when cold but if it is turned off with a hot engine, will crank over but not fire up. The air mass meter has recently been changed for a new genuine unit after the engine bay wiring was damaged by rats. The owner st...
1997 Chevrolet Venture LS 3.4L Poor Idle Quality, Misfire VIN: 1GNDX03E4V
Hello my fellow tech's , first time asking for help , im posting this because of a good friend i have in fl., he has this van that his tech can't find the problem over there , anyway , any help will be greatly appreciated , this van is back firing in the intak...
1999 Chevrolet Venture 3.4L over heating VIN: 1GN0717M0X
ater replacing intake gasket can't seem to get the air out of the rear head. Try to lift the front of the vehicle and letting it run for hours. Appears you have the air out, then take it for a test drive and let it cool down, drive it again and it overheats wi...
1987 GMC GMC 7000 8.2L engine miss VIN: 1GDL7DIG4H
Hey guys and girls.This one is for the older GM diesel pro's.I was looking at a 1987 GMC 7000 today with an 8.2 v-8 Detroit Diesel and 5 speed manual.It has a light dead miss at idle with no excessive smoke (some)and a bit of a miss on acceleration almost like...
2002 Other GM Vectra 3.2L Oil in water VIN: WOLOZCF683
hi guys, hope someone can help. this motor i believe is fitted to a number of vehicles from a saab to a vauxhall. the car is a Holden Vectra. the customer bought the car and found oil in the cooling system. we removed the heads, pressure checked them/crack tes...

Fixes & Summaries for GM
Fix/Summary Answers
1997 Chevrolet C3500 Cheyenne 6.5L No Start VIN: 1GCHC39F9V
We Got the vehicle to start and got it in the shop to do some testing. I tested all glow plugs with a test light connected to B+ and all checked ok . I then went to check power at all the glow plug connectors and was not getting any power with a test light co... Trouble codes: P1217.
2000 Chevrolet Tahoe 5.7L lower control arm VIN: 1GNEK13R7Y
As I kind of suspected the Lower Control Arm Stops were worn out. Cor from Alberta suggested welding some 1/4" stock onto the old stops ,as he said he has seen this before. So we did and Problem solved !
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