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Prev Professional Automotive Repair Technical Discussions for October 23, 2009
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Open Help Requests for GM
Help Request Answers
1995 Buick Park Avenue 3.8L No Start VIN: 1G4CW52KSH
hi everyone, this buick was towed to me. the customer told me that the tech she gave it to repair had skipped town after telling her it needed an intake gasket and grabbing down payment money.i open the hood to find a mess of parts just thrown in the engine c...
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1994 Cadillac Seville STS 4.6L Coolant missing VIN: 1G6KY5291R
Hi everyone. One again need your help for a missing coolant case. Car come in with radiator leaking. before Replace a delphi one, wait to cool down & fill out the coolant and crank the engine with no water come from resevoid ( to made sure head gasket still ok...
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1999 Cadillac Seville STS 4.6L Steering Tilt & Telescope VIN: 1G6KY5492X
Went to drive this vehicle today and from previous help request I explained that the power seat on driver side is inoperative. I wanted to move the steering wheel in and up to make more room for me to drive but the wheel did not move in any direction. I plugge...
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2005 Cadillac CTS 3.6L heater VIN: 1G6DP56765
everything looks good still no heat. has anyone run into this before?
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1997 Chevrolet Malibu 2.4L timing chain VIN: 1G1ND52T7V
Vehicle returned, would start but could not run well enough to drive, a lot of noise from timing chain area. Upon tear down found, found chain sloppy opposite side of tensioner and appears to have jumped. after inspecting all the components we had replaced I a...
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2000 Chevrolet Silverado 1500 LT 4.8L abs module VIN: 1GCEK19V2Y
this truck activates abs low speed, is very random, previously wss signals didnt match r/f was way off, replaced r/f hub assy wheel speed sensors signals via data list now all register correctly (no abnormailities that i can see ) just looking to see if anyone...
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2003 Chevrolet Impala 3.8L Lighting VIN: 2G1WH52K33
I had to replace BCM.when I programed it I was stupid and didn't program the driving lights(fog Light). Of course the bcm saids it is secured and can not be change.Is there any way to do it without replacing the BCM again,I have A tech2.Thanks John
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2003 Chevrolet Suburban 1500 LS 5.3L Rear vertical motor VIN: 3GNFK16Z23
Driver seat is not functioned at all, 30 Amp CB is good, checked and replaced the control module under the seat. Now, the rear vertical motor has no power to it when depressing the switch. After chasing my tail and put the vehicle on the back burner for 30 min...
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2007 Chevrolet Impala LS 3.5L MIL Lamp on, VERRY SLOW FUEL FILL VIN: 2G1WT58K37
as soon as the fill tube is full you have to stop and wait for it to drain down. there it a (roll over valve in inlet of tank ?) it is not stuck. i think there is one in large vent going to evap canister you can blow through these and canister, vent valve ,and... Trouble codes: P0446 (evap sys. prob)
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1986 Oldsmobile Cutlass Ciera LS 2.5L Motor mount Bracket VIN: 1G3AJ19R2G
Help, I have this Oldsmobile Ciera 2.5 liter with a broken bracket on the upper dog bone mount at the motor. This part is obsolete from GM and I cannot find any of these vehicles left in the wrecking yards here in California because the state wants them all cr...
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2002 Pontiac Grand Am SE 2.2L Turn Signal VIN: 1G2NF52F12
Fellow Techs, thank you for any advice. First vehicle came in w/o to replace multi switch. Came back couple days later complaining the problem still there.. Now the service advisor tells me the whole story. Complaint. When signalling Right the right front tur...
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Fixes & Summaries for GM
Fix/Summary Answers
2005 Buick LaCrosse CXL 3.8L Engine/Transmission VIN: 2G4WD532X5
I'm sorry but I'm going to close this without a solution. I've called the customer and told her what I found and what we needed to check. she said she would talk it over with her husband and get back to me. I'm still waiting for her to do that and have called...
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1997 Cadillac DeVille 4.6L ignition 1 relay VIN: 1G6KD54Y1V
Sorry for the delay the customer just reported the car is working great.We found a break along the drivers shock tower in the small wire that supplies power to the ignition relay coil.Thanks to evryone who took time to reply!
6
2000 Chevrolet Astro 4.3L hvac VIN: 1GNDM19W5Y
FIXED!!! So Richard from VA had me thinking about the thermostat, i pulled it out and it looked pretty new. I could use my fingers to pull it WIDE OPEN, i called our local parts dealer ordered one, they sent the same 'gates' thermostat with the same issue, i c...
14
2001 Chevrolet S10 LS 4.3L Misfire, MIL Lamp on, misfire 1&4 cyl p300 VIN: 1GCCS19W61
truck was delivered to customer, and is being driven daily with no complaint. although we recomended customer to another shop for further diagnosis we've not heard from them. thanks to those who replied to our post. we feel that since the condition was and has... Trouble codes: P0300, P0304.
17
2006 Chevrolet Tahoe 5.3L Transfer Case VIN: 1GNEK13226
Well, this was a lesson learned the hard way. I tried the trick outlined by Troy's reply and identifix information with disconnecting the encoder. Unit still dropped out of 2wd. So we dropped the transfer case from the vehicle and disassembled. All interna...
15
1998 GMC C3500 Sierra SL 6.5L Poor Idle Quality, VIN: 1GDKC34F2W
The 5 volt on the 2 signal lines ended up to be a bias voltage. A 3rd pcm corrected the problem. Looks like the delco line is really moving toward the gutters.. TY all for your replies and time taken. You really start to question your diagnosis when you put on... Trouble codes: P1125 (app crkt problem).
5
1999 GMC Savana 2500 5.7L Misfire VIN: 1GTFG25R6X
First the fix- Bad PCM. Thanks for all the replies. Most said to double check dist.cap and dist.gear wear. I had good strong spark from those cylds and I was dropping injector signal so I went with my gut and replaced the computer. The PCM is located under th... Trouble codes: P0171, P0174.
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1999 Oldsmobile Bravada 4.3L heater VIN: 2B4GP44321
WELL THIS ONE IS FINALLY BACK TO THE CUSTOMER, APPRECIATE THE REPLIES, SUPRISINGLY JIM FROM INDIANA WAS RIGHT. THE DEALER CALLED ME THIS AFTERNOON AND SAID THEY HAD MISDIAGNOSED THE CONTROL HEAD BEING BAD, THEY SAID THEY INSTALLED THE NEW GM CONTROL HEAD AND T...
5
2002 Pontiac Sunfire SE 2.2L PCV System VIN: 1G2JB52422
Customer declined to fix. Dan was right on. We pulled valve cover and engine was filled with sludge. We cleaned pcv baffle/passage in valve cover and vacumn port in cyl. head, removed as much sludge as we could and then with valve cover off started engine and...
1
2002 Pontiac Grand Prix SE 3.1L no start, left blinker light on steady, VIN: 1G2WK52J32
after replacing the fuse box and repairing the burnt ground wire the vehicle test drove ok. customer needed the car so i was not able to conduct any further tests. i did disect the burnt fuse box, the ground terminal at the control side of the ignition relay i...
7
2000 Saturn SL 1.9L Misfire, MIL Lamp on VIN: 1G8ZH5285Y
Sorry it took some time to get back to you guys but I wanted to be sure the vehicle was fixed. For the evap leak code I ended up after some time catching the thermostat sticking closed. It was very intermittent but I did end up catching it. For the miss I foun... Trouble codes: P0410, P0442, P0300.
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