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Prev Professional Automotive Repair Technical Discussions for April 22, 2009
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Open Help Requests for GM
Help Request Answers
1997 Buick Regal GS 3.8L Ignition VIN: 2G4WF5214V
Thanks in advance for any help. Vehicle was towed to our facility as a no crank condition. We traced cause to ignition switch losing feed to pink wire. We replaced the ignition switch and we now have voltage at the pink wire, but we still have a no crank condi...
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2001 Buick Regal LS 3.8L Steering VIN: 2G4WB52K4X
Fellow Techs, I need help!!! We got this Regal 3 days ago for hard right turns you hear a grinding noise, only on hard right turns or backing up with the wheel turned to the right, we removed both side hubs and axles, all parts were good. We normally dont thro...
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2003 Cadillac DeVille 4.6L Starting VIN: 1G6KD54Y73
We have this caddy here thats causing me to pull my hair out. Car came in with battery completely dead. Charged battery up and car started fine, everything worked normal, alternator was charging. I load tested the battery and it was junk so I replaced it. Sent...
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2004 Cadillac XLR 4.6L valve cover gaskets VIN: 1CNDM14564
vehicle has leaking valve cover gaskets, just putting ogether estimate and it calls for 2.4 for lecf side and 12 hrs for right side, what gives?? It appears to have pretty good access just wondering, never done one. Thanks in advance, John [...].
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2001 Chevrolet Impala 3.4L turn signals VIN: 2G1WF55E21
Customer states rt, turn signal blinks fast on IP. No turn signal on rt. rear. Installed new bulb, same problem, hazzard flashers blink correctly. rt front bulb blinks fast, left side turn signal ok. installed new hazzard flasher/turn signal flasher/hazzard sw...
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2003 Chevrolet S10 2.2L Instrument lights on VIN: IGCCS14H73
Hello, I hope I am not posting this problem again my computer went wacky. Truck came from another Shop. The trucks dash lights are on when running and signals would stop working after driving for a couple of miles. Also had no prndl display around whatever...
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2004 Chevrolet Cavalier 2.2L A/C request VIN: 1G1JC52F24
Hey all, thanks for any help you can offer in advance. This car has an issue with A/C request not being acnowledged by the PCM. I have tested all the common problems with this symptom, TPS, Air Temp, Coolant temp, AC pressure switch. I also checked the connect...
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2004 Chevrolet Express 1500 4.3L Mechanical VIN: 1GCFG15X54
I have a express van that I need some help with. The van came in with rear brake pads low and one leaking caliper. We did reman calipers and rotors. Bleed the system and shipped it. 500 miles later it's back with the complait of dragging rear brakes. We opened...
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2004 Chevrolet Silverado 2500 HD 6.0L driver info center controls VIN: 1GCHK23U74
Customer just got the truck,and brought it in with a complaint of steering wheel buttons for DIC not working,hooked up the MODIS and they dont switch on that either. Radio buttons on the wheel work fine. Then noticed odometer button on dash didn't do anything ...
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2008 Chevrolet Corvette 6.2L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 1G1YY26W78
Hello GM gurus hope you can point me to the right direction. Car came in with mill light on. dtc : p0443 p 0102 .if I clear them p0443 comes right back in, a few minutes p0102 follows . Right after code clearing car will run very bead until mill light comes ba... Trouble codes: P0443, P0102
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1999 GMC Savana 2500 5.7L No Start, Hesitation, Cuts out, Stall VIN: 1GTFG25R7X
hi guys , need some help on this one , I'm not familiar with GM vehicles. This van has an intermittent stalling after driving for a while and won't restart. after waiting for a while the van restarts. other than that the van runs really good. things I checked ...
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2002 GMC Yukon XL 2500 SLT 6.0L compressor VIN: 3GKGK26G82
compressors are going bad over a few days or months
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1999 Oldsmobile Silhouette Premiere 3.4L heater VIN: 1GHDX03E7X
This vehicle is a company vehicle that we picked up because the customer didn't want to repair it. It originally had a a blown head gasket and a cracked intake manifold. Those were repaired and a water pump was replaced. There was an attempt to fix the vehicle...
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1993 Pontiac Grand Am SE 2.3L Surge, Cuts out, Misfire, MIL Lamp on VIN: 1G2NE5432P
Test drove vehicle and it acted like it was loosing 2 cylinders, replaced coils and module, noticed it was cycling injectors and flooded out, replaced ECM 2 times 1st with aftermarket then with OEM, checked ground conections and cleaned and replaced end at tra... Trouble codes: 65 (Injector circuit fault), 26 (Quad driver fault), 43 (knock sensor), 35 (Idle air control fault), 55 (testing and results)
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2000 Pontiac Grand Prix GT 3.8L No Start VIN: 1G2WP12K9Y
we have a 2000 grand prix with a 3.8 engine. it came in with the key stuck in the ignition and could not shut the car off. we replaced the igntiion switch and the key would come out of the ignition but the dash and the parking lights stayed on with the key off... Trouble codes: U1000
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2003 Pontiac Grand Prix GT 3.8L Cuts out, Stall VIN: 2G2WS52274
This Grand Prix has an intermittant stalling problem that has been an ongoing battle for us since November of 2008. This customer is from Virginia and has relatives in the area and unfortunently I was recruited for this car(Mr. Goodwrench doesn't work here!). ...
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Fixes & Summaries for GM
Fix/Summary Answers
1996 Buick Park Avenue 3.8L alarm VIN: 1G4CV219TH
I would like to thank those that sent in suggestion of where to find this problem. It appears that there are numerous problems with Cadillacís that have the same problem. No archives on Buickís with this alarm problem. The solution was to replace the trunk se...
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1999 Buick Regal LS 3.8L Poor Fuel Economy, MIL Lamp on VIN: 2G4WB52K3X
Thanks for all the help. Replaced MAF sensor with ac delco unit. Cured problem. Trouble codes: P0171.
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2005 Cadillac SRX 3.6L Fuel gauge VIN: 1GYEE63795
THANK YOU FOR YOUR INPUT. Customer is taking car back to dealer as they are aware of competion. I will notify with solution. Thank you so much.
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1996 Chevrolet Tahoe 5.7L abs VIN: 3GNEK18R5T
Want to start by thanking everyone who replied. Most were right about using aftermarket parts. The company that makes the sensor is a good and a great asset to the aftermarket, but I guess I just got bit. I was never able to get a sensor with the resistance...
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2000 Chevrolet Impala LS 3.8L Cuts out, Stall VIN: 2G1WH55K0Y
im really sorry it took me so long to respond back. I would like to thank all that replied most were correct on the fix. But i would like to give a really big thank you to Gary in michagan he was the first reply and it fixed the problem. the mass air flow sens... Trouble codes: P0300.
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2000 Chevrolet Express 2500 5.0L MIL Lamp on VIN: 1GCFG25N7Y
problem was egr was getting high voltage over 1 volt.taught wiring to it was prob it wasnt. problem was egr getting over 1volt from some where checked wiring to it was ok could operate it scan tool no problem.so then started to operate components with scan ... Trouble codes: 1404.
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2001 Chevrolet Corvette 5.7L Alternator VIN: 1G1YY32GS1
Well the rainy weather actually helped out on this one. The non-charging condition was much more consistent now. We were able to detect a voltage drop of 1.6 volts from the alternator battery terminal to the battery bolt when the condition was present. We fou...
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2002 Chevrolet Astro 4.3L transfer case VIN: 1GCDL19X72
customer declined to go any further at this time .im recommending to tear down transfer case and inspect.several replies said problem with transfer case internal problem and checkinf from differential. thanks for all the great replies.
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2004 Chevrolet Express 3500 6.0L Poor Idle Quality, MIL Lamp on VIN: 1GBJG31U54
well guys after a lot of pulling wire looms out and my hair, I finally found the rascal. The main wire loom that comes from the computer and runs along side the left upper control arm had rub (not through the plastic cover over the wires)the loom cover over w... Trouble codes: P0506, P0171, P0174.
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2004 Chevrolet Impala 3.4L Poor Idle Quality VIN: 2G1WF52E84
Thanks to all who replied. This was a brain bender of a problem, It turned out to be bad gas. I asked the customer if she had filled her gas tank just before she noticed the problem. Sure enough she had, and she noticed the problem about 12 miles afte r she fi... Trouble codes: P0300 (miss fire detected).
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2004 Chevrolet Malibu 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G21W53664
thank u for all responses. i took them all into consideration. some said that the egr might be stuck open. even though this is a good suggestion i did not think this was the case because the misfire was only on the right bank and mostly cylinder #5 and this... Trouble codes: P0300.
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2001 Pontiac Bonneville SE 3.8L Interior lights VIN: 1G2HX54K81
Well after one response said the interior lights won't come on in the daylight, I found out that indeed if the car was in the shop the lights would work and outside and in the sun they did not work, So my conclusion is that the interior lights only work when t...
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2006 Pontiac G6 2.4L oiling VIN: 1G2ZF55B06
This car isn,t fixed yet, but I found the problem. Today I pulled the cylinder head and found out there is an orifice that restricts the amount of oil going to the lifters. This was plugged with a piece of silicone! I'm going to put a piece of faucet screen...
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