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Prev Professional Automotive Repair Technical Discussions for August 31, 2007
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Open Help Requests for GM
Help Request Answers
1999 Cadillac DeVille Concours 4.6L compressor relay VIN: 1G6KF5496X
hello all thanks for ypur time this cadillac losses power to the control side of the relay,sometimes, well i have checked for voltage drop between the relay and ignition switch all seems okay but the ac works after the test, i definatly do not have power when ...
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1999 Cadillac Seville STS 4.6L Stall VIN: 1G6KY5499X
Hello fellow technicians I hope there is a cadillac tech out there who has come across this problem before. I have this Cadillac STS that intermittedly dies mostly when warm, after driving on freeway, when coming to stop. It starts right up and there are no co...
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2002 Chevrolet Silverado 2500 HD 6.0L Misfire VIN: 16CHK29U82
just looking to see if anybody had one in yet for a po300b code, engine missfire detected yet, put new wires, plugs, and switched the coils around, fuel pressure is good. going down the highway around 70mph or greater the check engine light flashes at you, you... Trouble codes: P300
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2004 Chevrolet Impala 3.4L bleeding VIN: FGD1D3FG1F
not getting any fluid to the wheels at all after gravity bleeding and manual bleeding . tried power bleeder didnt work iether please help.
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2007 Chevrolet Silverado 1500 Classic LS 4.3L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3GCEC14XX7
This is a new truck (84 miles) that has been wrecked and rebuilt. I purchased at local salvage auction and have performed all repairs myself. It was damaged under the front, pushing the frame and engine up a few inches. Whatever it hit, it went over it damagin... Trouble codes: 300 (random/multiple misfire)
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1997 GMC K1500 Sierra SL 6.5L No Start VIN: 1GTEK19S8V
Don't know much about diesels. Customer drove vehicle on a 1600 mile trip with no problems. Two days home and it stopped as if the key was turned off.We have no fuel coming out of the injection pump. The PDM is aftermarket from SSDiesel. It was sent back to th...
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2000 GMC Yukon Denali 5.7L Misfire, MIL Lamp on VIN: 1GKEK63R3Y
Hey all - need a little advice on this one. This is a 5.7 with the spider injector setup. Customer came in about 3 weeks ago with mil on and a p300b code - misfire. He hadn't had a tune up in quite some time so on his suggestion we did so - cleared the code - ... Trouble codes: P300
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2001 Oldsmobile Alero GL 3.4L security system VIN: 1G3NL52E11
Security code b2960 becomes active about once a month. Car has very low miles and is well maintained.We have aleady replaced the ignition key cylinder, key, and switch 2x. We also replaced the bcm due to water damage and corosion. car is fine for a few months ...
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2002 Pontiac Grand Am GT 3.4L MIL Lamp on VIN: 1G2NV52E82
Customer came from my transmission guy. Customer complained that the vehicle would bang into gear going from park to drive or reverse. He pulled the "IAT code" and sent the customer to me. I confirmed the code and also felt the banging into gear. I changed the... Trouble codes: P0113
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2004 Pontiac Grand Prix GT1 3.8L Heater operation VIN: 2G2WP52204
heater blower motor works at random. will stop working when driving and not start again for atleast a few days or a week. at times would come back on just by driving over a bump, other times could go off-roading and would not come back on. everytime in shop wo...
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Fixes & Summaries for GM
Fix/Summary Answers
1995 Cadillac DeVille 4.9L compressor
THANK YOU ALL FOR YOUR HELP I DID NOT TELL YOU THAT THE REASON I CHANGED ALL THE COMPRESSOR AND THE DRYER ALONG WITH THE ORFICE TUBE WAS THE COMPRESSOR HAD A BAD BEARING IT ACTUALLY WAS A FINE OPERATING SYSTEM ASIDE FROM THE NOISE FROM THE CLUTCH SO THE REPLY...
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1997 Cadillac DeVille Concours 4.6L MIL Lamp on, High idle VIN: 1G6KF5496V
Well, I had to give up on this one. I had the car in my bay with the high idle condition for over 2 hours, and no matter what I did would lead me to the source of the problem. I checked all powers and grounds at the pcm, iac, and tps and performed a voltage ... Trouble codes: P0122, P1122.
7
1986 Chevrolet C20 Custom 5.7L Unknown VIN: 1GCGC24M86
THANKS FOR THE FOURTEEN REPLIES, WHAT WE FOUND UPON DISASSEMBLY WAS ,THE FLYWHEEL WASN'T BROKEN THIS TIME . SO WE SEND THE TRANSMISSION BACK TO THE SHOP THAT BUILT IT AND ON DISASSEMBLY THERE, THEY FOUND THE REAR DRUM AND BAND SELF DESTRUCTING. SO THE COMPLETE...
14
1989 Chevrolet S10 Blazer 4.3L Stall VIN: 1GNCT1820K
Sorry it has taken so long to get back with the fix on the 89 ] S-10 Blazer. After putting a new flywheel and starter in it ] due to both crapping out while diagnosing, I still had the ] same problem. Engine would run fine in limp mode but not any ] other way....
3
1994 Chevrolet C1500 5.7L compressor VIN: 1GCFK28KIS
FIRST THANK YOU FOR ALL YOU OUT THERE REPLACED ORIFIC TUBE FIXED THE PROBLEM .
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1995 Chevrolet C1500 Cheyenne 5.7L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 2GCEC19K6S
So, she's fixed. 13 of the 19 replies we received said the fuel pump was the problem given that the fuel pressure was at 9psi. According to Mitchell On Demand the fuel pressure range for this truck should be between 9 and 13 psi. So we figured it was good b... Trouble codes: 33 (map sensor - cleared and hasnt come back), 44 (lean exhaust).
20
2000 Chevrolet Tahoe LT 5.3L 2nd gear slip VIN: 1GNEK13T5Y
The customer took it to GM and they said trans was shot. I orderd rebuilt trans and of course that took care of it . Thanks for all the good info.
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2001 Chevrolet Camaro Z28 SS 5.7L pings VIN: 2G1FP22G51
I would like to thank everyone that responded to my help request, and while not trying to sound rude does anybody read the whole help request before replying.The only thing i didn't put in my original post was that the cust was using 91 ocatane fuel, but just ...
14
2001 Chevrolet Impala 3.8L a/c compressor VIN: 2G1WF55K51
thanks to all that replied, well this one was a pain but we fixed it. we did all cks that were offered,we did use all oem parts from the start,used tech 2 and cked all fan operations and relays,did amp.and voltage ck to clutch coils,cked all grounds.during all...
13
2004 Chevrolet Trailblazer EXT LS 5.3L high beams VIN: 1GNES16P54
REPLACE AND FLASH NEW BCM TWO DAYS LATER ALL OK THANKS FOR THOSE THAT HELPED
3
2002 GMC Envoy SLE 4.2L MIL Lamp on, Power Loss VIN: 1GKDT13S22
Thank you to all the replies. I receieved 6 responses and among those were 2 indicating a possible fan clutch issue. I could not find the bulletin that outlines this issue on either Alldata or Mitchell. I did however, get it faxed to me from ACdelco tech su... Trouble codes: P1221.
5
2005 GMC Canyon Z71 SL 2.8L false activation VIN: 1GTCS19865
HI Vehicle is a work vehicle and I have been unable to resolve concern.Most of the replies said that it was a possible intermittent wire connection and i am leaning that way. Found a Tsb Feb 2007 for difficult sensor concerns.It suggested disconnecting EBCM an...
6
1998 Pontiac Grand Prix GT 3.8L abs module VIN: 1G2WP12K8W
I APOLOGIZE FOR NOT CLOSING SOONER ,I DID REPLACE THE ABS MODULE AND ALL THE PROBLEMS WERE GONE.WE DID CHECK TO SEE IF ALL POWERS AND GROUDS WERE GOOD LEAVING THE ABS MODULE THE CULPRIT.
4
1999 Pontiac Grand Prix SE 3.8L climate control
thanks to everyone most of you guys were right it was just low on refrigerant its ice cold now i just never seen one that seemed full and the cpompressor would stay in but was low but its fixed now and a mighty thanks to all whoh could help
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