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Prev Professional Automotive Repair Technical Discussions for May 3, 2011
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Open Help Requests for GM
Help Request Answers
1981 Cadillac DeVille 6.0L MIL Lamp on VIN: 1G6AD6997B
After a/c and oil leak repairs check engine light has come on, code 18 for crankshaft sensor, do not see that it has a crank sensor, it is a 8-6-4 TBI engine, cleared code and restart and light comes back on immediatly,some what lost on how to proceed, not muc... Trouble codes: 18 (Crankshaft sensor)
2004 Cadillac DeVille 4.6L Stall, MIL Lamp on VIN: 1G6KD54Y24
Car came in with check engine light on. Cust complaint was that it stalls at lights sometimes as well. I found that it had codes for crank sensor A so I replaced both of them with parts from the dealer. It also has a code p0741 for TCC stuck off. Cust chose no...
1997 Chevrolet Express 1500 4.3L No Start, No cel, no spark VIN: 1GCFG15WXV
I have a 97 chevy express van with a no start, no spark, no rpm signal to snap-on scanner or a gm tech 2 scanner. Have checked power to and from coil, icm, crank and cam sensor. Used a timing gun to check for spark on all wires and coil wire with no luck. So i...
1997 Chevrolet S10 4.3L No Start, Misfire VIN: 1GCCS14XOV
Hi Guys I have this truck that when cranking sometimes it cranks hard and skips teeth on the starter. At one time it had set a crank sensor circuit code(sorry don't remember #) so we replaced crank sensor and all seemed well until customer came to pick up and ...
2005 Chevrolet Cobalt SS 2.0L No Start, No crank VIN: 1G1AP14P65
Car wont crank, replaced with used.programmed with latest calibration with tech 2 and tis2.replaced becuse pcm was missing.radio and amplifier also missing.have tested ign switch checked ok. Preformed 10 min relearn with tech 2 .relearn failed. Preformed 30 mi... Trouble codes: B3033 (Security system indicates tamper), B2960 (Security system sensor data incorrect but valid), P0315 (Ckp variation not learned)
2007 Chevrolet Malibu LT 3.5L window regulator VIN: 1G1ZS57N17
I need help. I am trying to replace the left rear window regulator. The door panel push pins are removed, the double-d shaped plug& 2 torx head screws are removed. The next step (I hope)is to remove the door handle trim plate. I cannot or don't know how to rem...
1993 GMC G3500 Vandura 5.7L Poor Idle Quality, Hesitation, Lacks power VIN: 2GTFG35K5P
Minor poor idle from cold start but would attribute that to low compression and high mileage engine, once operating temperature stumbles almost to the point of stalling like too much fuel or something not a misfire and slightly off idle tip in accel it hesitat...
2002 Pontiac Grand Prix GT 3.8L no 4th VIN: 2G1WL52M02
This vehicle has had some crazy issues, the vehicle was slamming into 2nd gear and it had no 4th gear, going at 3500 rpm and 120 kms on the highway...customer requested we changed transmission, we changed the transmission...SAME PROBLEM...now the customer woul...

Fixes & Summaries for GM
Fix/Summary Answers
2003 Buick Rendezvous CXL 3.4L brake booster VIN: 3G5DA03E43
Thanks all of you that replied about bleeding tip of just having key turned to run position when you bleed system without scan tool. I was determined to try and gain clearance to lower left side of subframe and remove throttle body and try to sneak booster a...
1999 Cadillac DeVille 4.6L Radiator Hose Clamps VIN: IG6KD54Y8X
thank you tim from wisconson for the name of the clamp manufacturer(murray).i've spoken with our purchasing dept. and they are aggressively pursuing a first order with this company.this is no small feat,as i have been trying to locate these style clamps(thru n...
1991 Chevrolet RV 7.4L Steering VIN: 1GBKP37NOM
I really appreciate all the replies and I think I tried all of them. I never was able to get all the air out. The customer is taking it to someone who specializes in motor homes. If I find out what the fix was I will post it. Thanks again John.
1997 Chevrolet C1500 Silverado 4.3L No Start, Stall, MIL Lamp on VIN: 1GCEC14W5V
Members and all 24 techs who responded i [...] not know what happened here as i closed the help request with a fix and somewhat lenghty explanation on the repair but in summarizing here it was the fuel pump, ordered a delphi pump and she has been running fine sin... Trouble codes: P0134 (Oxy.sensor), P0135 (Oxy sensor).
1999 Chevrolet C3500 6.5L no shift VIN: 1GBKC34F3X
well the truck is fixed. it was recommended to replace iss, nsbu (or wiring). turns out the problem was an incorrect spring installed with new afl valve in the valve body. there are two different line ups. one with a plug and one with a flat clip. well the plu...
2004 Pontiac Vibe 1.8L no reverse VIN: 5Y2SL62884
i took the trans out and took it apart and found the front clutchs burnt and welded. the car is out of service till custumer gets the money to replace the trans
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