Prev iATN Members TechHelp for May 3, 2008
Automotive Technical Exchange for the Automotive Repair Professional		 Next
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for GM
Help Request Answers
1983 Cadillac Eldorado 4.1L Poor Idle Quality, Surge, Misfire
This Cadillac is killing me. Vehicle presented with a moderate ignition misfire. When vehicle was first given to me, I found that the #5 plug wire had burned through on the exhaust due to poor wire routing. Replaced cap/rotor and wires at this time. Plugs appe...		 View
1988 Cadillac DeVille 4.5L blower fan
blower fan stays on all the time...even with key off. diagnosed it down to two options...the auto temp control module...or the electronic climate control module...anybody ever had this happen? have completely unplugged ignition switch and fan still runs.		 View
2001 Cadillac Seville 4.6L Cooling Systems
cadillac techs please help me out.this veh is my personal and in the mornings when i start it puffs white smoke out tailpipe and skips till the coolant? burns out.i think it may be a head gasket,or could there be coolant introuduced from somewhere near intake ...		 View
1999 Chevrolet Malibu 3.1L Stall, Misfire
After replacing intake manifold gaskets to stop water leak engine would backfire and barely run. Can keep engine running only with open throttle, but it backfires randomly. We checked that pushrods are installed correctly, checked all connections and vacuum li...		 View
2000 Chevrolet S10 Pickup 4.3L belt noise
need some help here,kind of a stupid problem to be posting, but i have a s-10 with belt noise i have replaced the belt twice,with a gm belt,noise goes away for about two weeks then slowely starts to return and then gets worse, i have replaced tensioners, idler...		 View
2003 Chevrolet Malibu 3.1L No Start
hello all and again thanks in advance on this one. It is a very intermittent no start but cranks every time. Every time it won't start it acts like the anti-theft activates. It will try to start then quit and just crank. Before changing the key and tumbler wit... Trouble codes: U1000 (class 2 serial comm. problem), P1189 (eng oil press sw circuit).		 View

Fixes & Summaries for GM
Fix/Summary Answers
1998 GMC Pickup 5.7L brakes
thanks to everyone that took their time to reply i really appreciate it.i walked around this thing on the lift for two days before i decided to tackle it again.my genisys scanner does not have the capability to activate abs valve for bleeding so put it in four...		 15
2001 GMC Savana 5.7L battery light
well sometimes you need to go back to the basics -snap vat -showed new alternator to be working -aok --light was flashing like an old check eng light code --we finally plugged in another unit and there were no more codes present -replaced the defective unit a...		 6
2002 GMC Savana 5.7L No Start, Poor Idle Quality, Surge
Boy do I feel stupid! I checked all the powers and grounds but because this was intermtitent at the time I checked them they were fine. I even took the vehicle to the dealer and they couldn't find the problem so I don't feel too bad. Don't ever overlook the ob...		 13
2002 Oldsmobile Alero 3.4L security light
Customer did not come back for repair. All replies suggested the ignition lock cyl. and or sensor around lock cyl.. Some pointed out that water intrusion around fuse box could be an issue. Also possibly the bcm could be at fault. Thanks again for all the help....		 10
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next