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Prev Professional Automotive Repair Technical Discussions for November 20, 2012
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Open Help Requests for GM
Help Request Answers
2001 Cadillac DeVille DHS 4.6L Air Temp Control VIN: 1G6KE57Y41
Howdy Y'all! I got this 2001 Caddy DTS only cold air blows from drivers side vent. I inherited from another shop. I had codes for all 3 temp actuators B0408 B0423 bo409 and B 1004 loss of KAM for controller. I could not get the new actuator to move either on t...
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2004 Cadillac XLR 4.6L folding top VIN: 1G6YV34A44
hello techs, trying to remove the front headliner from this xlr. alldata says to put into service mode. but cannot get system to power or manually open. i have mechanically turned the center latch but cannot lift front to push back the specified 18 in. without...
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1993 Chevrolet S10 Blazer Tahoe 4.3L cylinder
has spark getting fuel and compression cylinder not firing
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1999 Chevrolet Malibu 2.4L Engine VIN: 1G1ND52T2X
Owner of vehicle said car stalled out and started acting funny after vehicle was re-started. It threw codes that prompted customer to replace TPS, crankshaft position sensor and fuel pressure regulator. He also installed new plugs and upstream oxygen sensor an...
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2003 Chevrolet Trailblazer North Face 4.2L warepump VIN: 1GNDT13S33
Customer bought his from an auction last spring and has put app. 12,000 miles on it since then. He brough it to us when he first got to diagnose ses light on and coolant leak. It had a bad oxygen sensor and waterpump leaking out the weep hole. We replaced with...
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2003 Chevrolet Suburban 1500 LS 5.3L engine
This vehicle makes a noise similar to belt chirp but I removed both belts with no change in the noise.I removed the transmission inspection covers and starter to check the flywheel and torque converter bolts and found no issues there.Its very difficult to pinp...
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2003 Chevrolet Corvette 50th Anniversary Edition 5.7L MIL Lamp on VIN: 1G1YY32G33
We have an 03 vette that every once in a while when you go to start the dash lights up like a christmas tree, it still runs ok but with limited power. The codes all refer to a communication problem. We replaced the battery and cleaned the main grounds up, beca... Trouble codes: P1626 (Securty), U1000 (Can), U1016 (Can), U1040 (Can), U1096 (Can), B0338 (Body)
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2004 Chevrolet Venture LT 3.4L No Start VIN: 1GNDX13E14
After long drive if u go to restart the van will crank but will no fire,fuel pressure normal but no spark.Was thinking maybe crank sensor
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2004 Chevrolet Silverado 1500 LS 5.3L cruise control VIN: 2GCEK13T14
customer says that the cruise quit at the same time the speedo quit. After replacing the cluster and clearing all codes in all modules the cruise still does not function at all. Snap-on modis shows buttons functioning on cruise and power supplies ok. switched ...
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2008 Chevrolet Malibu LT 3.6L Fusible Link
Hello, sorry for the lack of VIN but I did not bring all the info home with me like I should. I have this 2008 Malibu 3.6 which came in and is obviously not charging. The customer had called last week looking for a price on a battery, and obviously didn't like...
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Fixes & Summaries for GM
Fix/Summary Answers
1989 Chevrolet S10 2.8L Lighting VIN: 1GCBS14R6K
I should have done more looking before posting this request. All of the suggestion are greatly appreciated. What I have found so far is; Massive amounts of "rewiring" at the fusable links to and from the starter. Massive amounts of "rewiring" from the bulkhead...
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1994 Chevrolet Camaro Z28 5.7L No Start, No communication VIN: 2G1FP22P6R
Well, I feel kind of dumb. The no communication problem was the 2 different scanners I was using (both Snap-on). I borrowed an old Tech I from a buddy that had an "E" pin adapter attached to it. Apparently on 86 - 89 Camaro's, Firebird's and Corvette's this...
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1997 Chevrolet Tahoe LS 5.7L #2 & # 8 cyls VIN: 1GNEK13RXV
Thanx for the support!base circle run out caused intake valve to bump open again on bang (3rd) stroke
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2002 Chevrolet Trailblazer LS 4.2L shifter cable VIN: 1GNDT13S02
Turns out that the cable had slipped off the pin at the tranny. The c-clip had fallen off. His Dad fixed it by installing a new c-clip. Hope it stays for awhile. Thanks to all who ofered help. I really appreciate it.
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2002 Chevrolet Avalanche 1500 5.3L Instrument Cluster VIN: 3GNEK13T82
SORRY GUYS THE OWNER DECIDED TO BUY A CHEAP SCANNER AND DRIVE IT THAT WAY INSTEAD OF PAYING FOR DIAGNOSTICS. IF YOU PLUG THE SCANNER IN THE CLUSTER WORKS .ANYWAY THANKS TO ALL WHO REPLIED.
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2003 Chevrolet Silverado 3500 LS 6.6L Intermittent no start & gas gauge VIN: 1GBJC39153
I replaced the PCM which did fix the fuel gauge problem. A few days later it was towed back in with a no start. After not finding anything wrong I pumped the fuel primer a few times and it kicked right off. Not finding any additional leaks I was a little stump...
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