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Prev Professional Automotive Repair Technical Discussions for October 18, 2008
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Open Help Requests for GM
Help Request Answers
1991 Chevrolet Camaro RS 5.0L cruise does not enguage VIN: 1G1FP33E4M
I have tested the cruise switch at the module and have power on the grey wire (on) switch. I also have power at the brown wire 12v (brake release switch). I have power on the blue set switch when enguaged. I also have power on the grey/black wire for the resum...
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2003 Chevrolet Express 1500 4.3L engine VIN: 1GCFG15XX3
I am working on a 03 chevy 1500 express van with a 4.3L . It has a rattle noise between 1500-2000 RPM. With my stethosope it sounds like it is comeing from the timing chain or balance shaft. I know that the 4.3s have problems with the balance shaft gears makin...
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1996 GMC K1500 Sierra SL 5.7L Poor Idle Quality, Misfire VIN: 1GTEK14R2T
this vehicle came to me with all new ignition parts and a new # 5 fuel injector. # 5 cylinder misfires only at idle, you can watch it on the tech 2 scanner, above 2000 rpm it starts to fire ok. it runs great on the road. i suspect a vacuum leak, but all tests ... Trouble codes: P0300
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1997 GMC Sonoma SLE 4.3L Misfire VIN: 1GTCS19X1V
truck came in with numerous misfires. found injector leaking and in bad need for tune up. after t/up and injector replacement still have misfires on cyl 4 and cyl 3. Cyl 4 seem to be worst and predominate. They are not as bad as before and don't occur at idle....
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2002 GMC Savana 3500 6.5L No Start VIN: 1GC336GH38
Need some help from all the 6.5 experts. This van belongs to a personal friend.Started out on a road trip it it and over heated.(Having to put 30 gallons of water in it to make it 50 miles back home) When it was towed in I found 3 cylinders hydro locked. I rep...
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2005 GMC Sierra 2500 HD SLE 6.6L allison trans VIN: 1GTHK23275
hey guys and girls.this one has become a hair puller.it first came in with p0872 (e solenoid in trans stuck)and the line under the r for reverse flashing when shifted from park to reverse.my diagnosis led me to remove valve body.did not see anything visable,wa...
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Fixes & Summaries for GM
Fix/Summary Answers
2000 Buick Century Custom 3.1L electrical VIN: 2G4WY52M6Y
THANK EVERONE THAT HELPED ON THIS ONE. I HAVE NOW CAME TO THE CONCLUSION AFTER THE BETTER PART OF A WASTED DAY, THE SECURITY SYSTEM THE CUSTOMER WAS TRYING TO HAVE INSTALLED WILL NOT WORK ON THIS MODEL CAR. IT IS DESIGNED FOR 50 Hz FUEL ENABLE CIRCUIT AND NOT ...
4
2000 Cadillac DeVille DTS 4.6L Electronic suspension VIN: 1G6KF5792Y
After reading the responses and checking everything once more, I still felt like the suspension control module could be the problem. However, the module list price was just under $1000 and neither the customer nor myself was willing to take the gamble without ...
5
2002 Cadillac Escalade 5.3L a/c line VIN: 1GYEC63T52
replaced a/c line that goes from dryer to evaporator fire wall ...thanx alex & kevin,, good info this one I found a small pin hole leak at line from dryer to evaporator fire wall,, weird one never seen it before. I found it after i cleaned out all the residue ...
2
1990 Chevrolet K1500 Cheyenne 5.7L Axle shaft
Ended up being a wheel bearing. Thanks everyone for all advice. I didnt expect the bearing just for the fact that it felt like something in the driveline was binding and holding the truck. Thanks again.
13
1995 Chevrolet K2500 Cheyenne 7.4L abs module VIN: 1GCGK24NOS
sorry for the delay in responding ,took a week off for vacation. the new master cyl we installed was faulty ,replaced with a different manufacture rebleed system and everything is fine .thanks for all the responces they did help in getting back on track.
7
1997 Chevrolet Express 3500 6.5L Hesitation, Surge, over rev high excel VIN: 00V1088711
a new injector pump and new electronics's fixed this baby! thanks to everyone that help me. Trouble codes: P216.
4
2000 Chevrolet Silverado 1500 5.3L No Start, Cuts out, Stall VIN: 1GCEK14T8Y
Thanks a lot to everybody who took the time to reply. The problem was in the crank sensor harness. On this vehicle, the crank sensor is hidden in between the starter and engine block. The harness was chafing on the starter and the signal wire was intermittent...
17
2003 Chevrolet Tracker 2.0L No Start VIN: 2CNBE13C53
Well we finally got this vehicle to exhibit a hard or no start problem. Actually it stalled after sitting idleing after a hard run. When it wouldn't start it would hit on multiple cyls at once not unlike an old point driven system sounded when the cap was we...
2
2000 Oldsmobile Silhouette Premiere 3.4L fuel guage VIN: 1GHDX13E1Y
I finally got this. I was removing the pcm connectors and pulling them up when I was making my resistance measurements, and everything would check fine. That movement was removing the short to ground and as soon as I put them back to the pcm it would short to ...
5
2000 Saturn LW2 3.0L timeing belt VIN: 1G8JW82R8Y
NUMBER 2 CAM WAS 180 OUT. RESET AND GOT LUCKY. THANKS FOR THE HELP.
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