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Professional Automotive Repair Technical Discussions for April 21, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1999 Buick Regal LS 3.8L abs light VIN: 2G4WB52K5X used car lot vehicle. No history. Service vehicle soon, abs, & traction control lights on. Have car now to the point where lights stay off when car is started and they will not come back on until car is shifted from park to drive or reverse. If I go quickly fr... |
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| 2003 Cadillac CTS 3.2L cam cover VIN: 1G6DM57N73 We have estimated replacing leaking cam cover gaskets at 3.5 hours. Not having done this job before, is the time (from Mitchell) reasonable? Upon ordering OE parts, I am told there could be 1 or 2 piece gaskets, and a rumor that the covers tend to warp. Anyone... |
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| 1993 Chevrolet Cavalier RS 2.2L Stall, ICM failures VIN: 1G1JC144XP We got a real good one here. This unit keeps shorting out the ign. module. We installed a used engine in this unit after sitting in our lot over the winter for 6 months.Engine was replaced for severe overheat and no compression. After install it ran fine and w... Trouble codes: 42 (est grounded or open) |
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| 1998 Chevrolet S10 LS 4.3L transfer case VIN: 1GCDT19X2W This truck came in with four wheel drive not working. Replaced the 4x4 module on the pass. side kick panel and everything worked fine for about six weeks. Truck came back with no 4x4 operation. Checked the vaccum switch on transfer case and found the ball to b... |
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| 1999 Chevrolet Astro 4.3L Transfer cas VIN: 1GNEL19W7X This is for all you techs that get the craziest requests from customers. We got this 99 Astro All wheel drive. No complaints with this van except gas milage. The van is getting the correct gas milage but the customer wants more. We would like to know if someho... |
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| 2004 Chevrolet Venture LS 3.4L High idle condition VIN: 1GNDX03E94 This vehicle has been a problem for 2 years. We have never been able to dupicate the high "Runaway Idle complaint untill last time in. The Idle was at 3655 rpm's and I was able to get a snapshot but saw nothing but the rpm's out of spec. This is also a no code... |
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| 2005 Chevrolet Cobalt 2.2L no start VIN: 1G1AK52F05 car does not start when ever it wants. no codes, starts for me every time. could it be the pass lock ign.. |
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| 2005 Chevrolet Silverado 1500 4.3L pass side presure system performance VIN: 1GCEC14X95 need help code b0092 w/teck 2 went to pps to flash codes. L E D won't flash codes. both lights work when you turn key on then the air bag off light stays lit |
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| 2006 Chevrolet Silverado 2500 HD LS 6.0L shifting VIN: 1GCK23D46F Help GM Wiring Wizards! This is what I got. My personal truck, '01 Silverado 2500HD, 6.0 with 4L80E. Cooked the tranny. Really want to update tranny to the new 6L80E 6speed. Is there any way to hook into my harness to operate? I don't mind rigging some type o... |
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| 2007 Chevrolet Avalanche LS 5.3L TPMS& remote VIN: 3HN567UQWG both the TPMS and the remote quit working on this truck . all data says the there is a RCDLR remote control door lock receiver but gives no location. also will not go in to TPMS lean mode and remotes do not work. software on the tech 2 does not show a RCDLR al... |
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| 1986 GMC C7000 C7D042 7.0L Hesitation VIN: 1GDL7D1E6G hello to all,and thanks up front to all who respond. truck came to us would hardly run,found rust in filters and carb has holley 4bbl with govenor or overspeed control. throttle plate was worn badly,had bushings installed was still loose but not bad. overhaule... |
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| 1990 GMC G2500 Vandura 4.3L engine VIN: 1GTEG25Z8L This 4.3 has a rattle noise that sounds like a lifter. Noise seemed to be in the left front of engine, pulled valve covers and checked adjustment. Noise would momentarily go away when adjusting valve at #1 intake then come back. Valve lift was good. We replace... |
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| 2002 GMC Envoy SLE 4.2L Exhaust valves VIN: 1GKDT13S52 Any idea what is causing exhaust valves to burn in this motor? Intake valve in #6 cylinder bent, but not burnt. In process of assembly and interested in root cause to prevent repeat failure. Ian Dawkins |
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| 2002 Oldsmobile Alero GL 3.4L power steering pump VIN: 1G3NL12E82 Vehicle came in with power steering pump shaft sheared off, no power assist, fluid full. replaced with AC Delco pump & reservoir unit. Flushed refilled with p/s fluid. Vehicle came back approx. 2 weeks and 1,000 miles later low on fluid and growling. checked a... |
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| 2005 Pontiac Grand Prix 3.8L Surge, VIN: 2G2WSF4225 right off idle mostly felt in gear is a surge. if you take off fast you don't feel anything only at slow take off do you feel this problem.speeds less the 15mph. watching the tech 2 the egr is command on 90-95% when you feel this problem. removed the egr to ma... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1994 Chevrolet K1500 Cheyenne 5.7L No Start VIN: 1GCEK14K2R THANKS EVERYONE FOR THE INPUT IT ENDED UP BEING A BROKEN FEED WIRE (ORANGE WIRE AT ECM)THE SERVICE ENGINE LIGHT WAS NOT LIT DURING KOEO ONE OF YOU MENTIONED TO CHECK THIS AND THET HELPED LEAD ME TO CK ALL POWER AND GROUNDS |
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| 1995 Chevrolet K2500 Cheyenne 6.5L No Start VIN: 2GCFK29S4S Thank you all for your help! Customer came back and informed me that that was the third fuel pump and the most recent only had 500 miles on it. after some trouble shooting replaced oil pressure switch as the pump signal was not being maintained. |
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| 1998 Chevrolet Blazer 4.3L temp blend door VIN: 1GNDT13W8W A "temp blend door actuator" fixed this unit. Replies verified that it should have a smooth sweep on the scope with no spikes. Thanks for the help. |
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| 2002 Chevrolet Silverado 2500 HD 6.0L serp belt VIN: 453BK435OW First I want to thank everyone, you guys are great. Well Im a believer Bill [...] nailed it! By simply switching to a bando belt the noise is gone. How would of thunk it. The bando belt has a soft backing as opposed to all the other belts we used including good... |
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| 2005 Chevrolet Venture LS 3.4L Hesitation, Cuts out, Stall VIN: 1GNDV23EX5 Motor from an 03 fixed it. Yay. Throttle snaps perfect now and no more intermittent dying. To be noted!!! Mainly because the junk yards out there seem to be unaware of a difference in these year motors (we caught hell from ours trying to swap this motor, say... |
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| 2006 Pontiac Torrent 3.4L hvac VIN: 2CKDL73F26 Unfortunately, I was not able to spend any more time with this diagnosis because the customer needed the car back after the first day. I do have a much better understanding of the system thanks to all of your posts but the customer is going to the dealer with ... |
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