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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 17, 2011
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1999 Cadillac DeVille 4.6L engine VIN: 1G6KD544XX
Vehicle was brought in for cooling system flush.Then customer said was losing coolant and overheating.Pressure test cooling system shows a leaking water pump and by-pass hose and a defective radiator cap.All replaced including t-stat.Road test @ 55mph shows co...
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2001 Cadillac Seville SLS 4.6L No Start, MIL Lamp on VIN: 1G6KS54YX1
Sorry for typos and all im having to do this on my phone so sorry... Here we go... I think i have two problems here with this one. Got a call from another tranny shop i do a lot of work for and he told me he had this custoemr with a cadi that he didn’t wanna ... Trouble codes: B1004 (U1255 b2734 b1009 u1016 u1040 u1000 u1064 b3832 b3833)
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2004 GMC Sierra 2500 HD 6.6L Oil pressure gauge VIN: 1GTHK23274
Hello all. I got a problem with this oil pressure gauge not working. I got 5v ref.(gray wire) to oil pressure switch and .4v @ idle at connector C107, pin D6 (tan/wht signal wire)and up to 2.6v @ 2500 rpms, are this good values to determine a good oil pressur...
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Fixes & Summaries for GM
Fix/Summary Answers
2001 Buick Regal GS 3.8L Stall VIN: 2G4WB55K51
I think most of you guys were right on with this one, I unhooked the MAF and it would keep running. I tried to tell the customer we should get a delco part for this but he said he's going to take it back to the shop that put the first sensor on it.
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1993 Chevrolet Lumina Euro 3.1L Cuts out, Stall VIN: 2G1WN54T6P
I have a call out to the owner to bring his car back in. He has yet to respond so when he does I will update this summary with the fix. Thanks to all the responses. It was overwhelming.
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1996 Chevrolet Corvette 5.7L No Start, Stall VIN: 1G1YY22P2T
Well... I thought I had found the problem, Thinking that the idle screw (there is an idle, or throtle plate) setting on this manifold, was closed too far. I didnt test drive it. my daughter took it too the store, and it wouldnt start. I got it home (back to th...
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2001 Chevrolet Tracker LT 2.5L MIL Lamp on VIN: 2CNBJ73491
Thanks for all the replies. I will look at this tracker again and leave post later. I feel there is a broken wire because if the coils get voltage from same fuse IG it would not be running if fuse was bad. Thanks again everyone. Trouble codes: P0135 (o2 heater), P0141 (o2 heater), P0155 (o2 heater), P0135 (o2 heater).
10
2002 Chevrolet Silverado 2500 6.0L Spider gears
Thanks for the info guys, this is a 9.5, and my parts guy ordered for a 10.5. Got the correct stuff ordered and should be done with it in a few days.
6
2007 Chevrolet Malibu LT 3.5L alarm VIN: 1G1ZT58N37
Sorry to waste everyones time. Since it was only a horn problem, my brother decided to wait to fix.
3
2000 GMC Yukon Denali 5.7L fuel gauge fluctuates VIN: 1GKEK12R2Y
Thanks to everyone, I replaced the cap and rotor as suggested and that didn't work. then I did a fuel pressure test when it didn't start, and it was below the specs. So I replaced the fuel pump and the problem is solved, vehicle runs great. Thanks to everyo...
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1998 Pontiac Grand Prix GTP 3.8L No Start VIN: 1G2WP1215W
Thank you all for your valuable input. The testing of this vehicle has taken so long due to the fact that it went a week inbetween without a fail. Many stated intermittant Cam sensors as a high probability and the customer opted to have it replaced. It was ...
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