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Prev Professional Automotive Repair Technical Discussions for August 11, 2011
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Open Help Requests for GM
Help Request Answers
1991 Chevrolet V1500 Suburban Silverado 5.7L Idle VIN: 1GNEV16K3M
This has me banging my head! Just installed a crate motor. (91 threw a rod bearing bad) Bought a crate motor that only has 8000 miles on it. The new motor is an earlier model block (1976 dipstick on driver side). Swapped 91 heads (less than a year old) and int...
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1995 Chevrolet S10 4.3L No Start VIN: 1GCDT14W4S
I have a strange problem. The vehicle came in with a no start. It has a new delco fuel pump and filter. We changed the injector spider. After a hot soak, it would not start. I tried a delco injector spider and the same thing happened. Now I'm back to square on...
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1999 Chevrolet Tahoe 5.7L Hesitation VIN: 1GNEK13ROX
Thank You in advance, I have a 99 tahoe, c/k body with a 5.7R engine. Problem began several months ago, it will surge or cutout while pulling a hill towing his camp trailer. I was able to duplicate to a lesser degree on numerous road tests. While maintaining s... Trouble codes: P0131, P0137, P0151, P0157
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2002 Chevrolet Silverado 2500 HD LT 6.6L No Start VIN: 1GCHK29102
Hi there. I have a very strange problem. This truck will intermittently not start, or start and stall. The vehicle will start if you manually pump the primer button and then be fine for about a week. Customer usually notices it in mornings when going to work, ...
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2007 Chevrolet Equinox LT 3.4L Misfire VIN: 2CNDL73F17
Complaint - loss of power - computer scan - misfire cylin#1 pulled plug - looked ok - swapped it with cyln#2 - misfire gone - customer returned 2 weeks later - same problem - did same thing - swapped plugs cylinder #1 & #2 - vehicle ran great - 3 days later cu...
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1989 GMC S15 2.5L ac sYSTEM VIN: 1GTBS14E7K
Hopefully the electric brain can help here. I'm at the end of my rope. I tried a V.O.V. and it came apart in the evap. I'm thinking a blockage in the liquid line but I pulled all the lines off and they blow through clean. I replaced the evap and condenser agai...
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Fixes & Summaries for GM
Fix/Summary Answers
2000 Cadillac DeVille 4.6L Ducts VIN: 1G6KD54Y53
received 2 replies. Both said the actuator for the rear(center console) temp is a dual actuator for rear & pass. I went and looked at the delco part and it does have 2 motors made in one. It is supposed to be behind glove box area. Customer has not decide to...
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2002 Cadillac DeVille DHS 4.6L no forward or reverse VIN: 1G6KE57YX2
Mystery Solved !!! We found the problem with this DHS. When we installed the trans our transmission jack pushed up the trans pan and caused the thin metal on the pan to flex upward in turn pushing up the drivers side filter pressing it against a plastic clip h...
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1994 Chevrolet Astro 4.3L alternator bracket VIN: 1GKDM15Z0R
ok i waited the max amount of time to ensure it wasn't comming back. my friend tig welded the bracket back together and i assembled the bracket and the alternator without putting it into the van and i found a hole in the rear of the alternator and one that ki...
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1999 Chevrolet Blazer 4.3L abs VIN: 1GNDT13W9X
Thanks fellow,s i followed everybody's individual recommendations on this thread, i finally got fluid flowing through the ABS by using the tool that stops the pin from pushing 'OUT' on the Valve... After we got flow to the caliper, we then found that the new c...
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2006 Saturn Ion-3 2.4L No Start VIN: 1G8AL55B56
Tested GLAN High and low speed, as well as all class 2 serial data lines. All had continuity. Towed vehicle to dealer where they reflashed the pass lock, and were eventually able to reprogram the original PCM. It took them a few tries before it took. Apparentl... Trouble codes: U1000 (Loss of class 2 serial data in every module), U0121 (Loss of comm with ABS module), U0140 (Loss of comm with BCM), C0551 (Optional configuration error), C0000 (Vehicle speed info circuit malfunction), U1017 (testing and results).
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