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Prev Professional Automotive Repair Technical Discussions for April 24, 2012
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Open Help Requests for GM
Help Request Answers
2005 Cadillac SRX 4.6L No Problems VIN: 1GYEE63A35
I changed alternators with a NAPA and a DELCO with same results. I had original tested at local rebuilder, claimed oil damaged and he rebuilt it. When installed, same result. Sense line from alt to DLC is active.
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2004 Chevrolet Avalanche 1500 Z66 5.3L Transfer Case VIN: 3GNEK12T54
Have front outputshaft seal leaking,after 1000km, replaced front seal in the truck, leaked again after 1000km,removed transfer case to inspect,all looked good installed another new national seal, road tested for 200km last nite,looks like the seal is pushed ou...
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2006 Chevrolet caprice 6.0L 4th shift
good afternoon & thanks in advance.I need assistance please,because my head hurt that this problem. I did everything & I saw nothing wrong inside of the transmission, & also check the shift solinoids; TCC & PWM, everything is ok, but still no 4th gear, no DTC....
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2008 Chevrolet Silverado 1500 WT 5.3L power door lock VIN: 3GCEK13368
Thanks for any help, I have this 08 Silverado that the left side door locks do not work, it's a 4 door, neither the LF nor the LR locks work. The windows all work, there are no BCM codes. The data from the BCM shows that the door switches work and the commands...
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1989 Oldsmobile Delta 88 Royale Brougham 3.8L No Start VIN: 1G3HY54C3K
Hello all This olds will start probably 40 times and then all of a sudden no start,I can even do this in the driveway without driving it.What I did notice is that today when it wouldn,t start I checked for spark to the plugs had it,. checked fuel pressure 20 l...
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2002 Oldsmobile Bravada 4.2L No crank VIN: 1GHDT13S02
I have a passlock code i have tried a relearn procedure with no luck. Could i have a bcm problem?
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2006 Pontiac Grand Prix 3.8L MIL Lamp on VIN: 2G2WP55206
This Grand Prix is test me. Came in with Po411. Customer complaint is stalls at times & check eng light comes on. when I do the AIR valve test the pressure sensor 14 psi & 2.68 volts Air pump off & 15 psi & 2.87 volts with pump on. Air indicated pressure never... Trouble codes: P0411 (Secondary Air Injection insufficient flow)
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Fixes & Summaries for GM
Fix/Summary Answers
1996 Chevrolet S10 LS 4.3L starter VIN: 1GCCS19X5T
Well the vehicle has been gone for 2 weeks now so I'm gonna call this a fix. It seems running the ground for the starter relay straight to the battery took care of it. I would have sworn this vehicle had an aftermarket alarm or start system on it but we tore ...
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1996 Chevrolet Lumina 3.1L pump pulley VIN: 2G1WL52M9T
First, Thank You to all that replied. I installed a new pulley and reinstalled the drive belt. Started up the engine and stressed the systems as much as I could in the shop. Holding the steering wheel to the full lock position showed no problem, so far. This i...
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2002 Chevrolet Silverado 3500 6.6L Cuts out VIN: 1GCJK33112
Hello to all After many days of testing and replacing all the rubber hoses to and from the high pressure pump and test drives. I found it and it's fixed !! here is what we found. I knew the left engine mount was broken but was not concerened about that un...
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2004 Chevrolet Colorado 3.5L Air Bag Light
After giving up on this one I called in the mobile air bag service, it took him about 15 minutes to figure the wires going to the seat position sensor were backwards. I could tell someone had been into the harness before me, and just copied what was ther...
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2006 Chevrolet Impala LT 3.5L starter VIN: 2G1WT55K06
Well, it doesn't make sense to me. But the problem was the battery. It was only two years old. It worked perfectly most the time and only occasionally exhibited the no crank condition. The car was in the no crank condition and we pulled the battery, instal...
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2000 Pontiac Montana 3.4L Misfire, all cylinders VIN: 1GMDX03E2Y
just would like to thank every one that replie.. i had already try them egr valve it actualy plugged with a bloking plate to try to eliminate pasegges plugged. back pressure also ok. i did try driving van with pressing the brakes sligtly that was a good one tn... Trouble codes: P0300.
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2003 Pontiac Bonneville SE 3.8L Cuts out, Stall VIN: 1G2HX52K43
I had alot of great replies suggesting what the fault might be. After going through all the replies I followed Charles and Richards advice. I knew I had a bad Pcm but I had to find out what damaged it. I tested all of the solenoids and they ohmed out within sp... Trouble codes: P0650 (mil light control circuit voltage too high or too low), P1670 (ODM 4 Excessive current is detected).
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