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Prev Professional Automotive Repair Technical Discussions for April 17, 2010
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2001 Buick Regal GS 3.8L rack & pinion
#4 pump and #4 rack and pinion still hasn't solved this problem. Steering feels hard when turning, not easy like before replacing leaking rack. turns hard even when tie rod ends disconnected, have replaced strut bearings, done a alignment, replaced both return...
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1998 Chevrolet Corvette 5.7L power steering VIN: 1G1YY32GBW
Hi fellow techs New customer refered by a friend. Came in with a bad belt noise, had another shop replace belt and tensioner,still a lot of noise. Checked out and found balancer wobbling bad. Replaced balancer as you know I had to remove rack. reinstalled ev...
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1998 Pontiac Sunfire SE 2.2L belt tensioner VIN: 1G2JB1248W
Trying to replace the serp belt tensioner. Loosened the bolt, it backs out against the body of the car. Do I need to remove motor mount and lower the engine? Any other ideas? The new tensioner comes with a bolt, held it up there, it is too long, just not enoug...
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Fixes & Summaries for GM
Fix/Summary Answers
1994 Buick LeSabre Custom 3.8L No Start VIN: 1G4HP52L0R
thanks for all the help i disconnected each module on the buss line when it acted up my 5 volt data line flat lined at 5 volts no sqaure wave the pcm was shorting the line out internal i must of looked at that pattern for a week be seeing it act up thanks agai...
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2006 Cadillac DTS 4.6L MIL Lamp on VIN: 1G6KU57966
found problem to be with water intrusion, customer had just recently had a windshield installed and water was getting inot connectors. had a hard time finding cause due to everything felt dry, until carpet padding was lifted and was soaking wet. Trouble codes: P2138.
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1997 Chevrolet C1500 Silverado 5.7L Cuts out VIN: 2GTEK19R2V
After geting several thoughts that it could be the injectors being in the wrong spot i did check to see if they were. i found that there was two that were switched. I made shure that all of them were numbered right and put the intake back together. test drove...
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2005 Chevrolet Aveo LT 1.6L Poor Idle Quality, Surge, MIL Lamp on, Idle flactuates VIN: KL1TG52615
The fix is not a conventional fix. this is what I did improve 80% driveability to where vehicle would pass OBD-II drive cycle for a state inspection. I disregarded the timing marks on the cam sprocket; I set cams (180 deg.off) on the cylinder #4 TDC on compre... Trouble codes: P0068 (Low Map Vacuum Signal), P0300 (Random Engine Cylinder Missfire), CY1#1, CY1#2, CY1#3, CY1#4.
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