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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 8, 2014
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Open Help Requests for GM
Help Request Answers
2001 Chevrolet Venture LS 3.4L front wendows VIN: 1GNDX13E61
car came in both front windows intermitent .After testing left door wires and motor and seeing nothing wrong I replaced the left door window switch and every thing worked. Car came back and the left window is very intermitent,it will work for a while then quit...
2006 Chevrolet Trailblazer LT 4.2L MIL Lamp on VIN: 1GNDS13S26
I got this trailblazer in from another shop where they had be shotgunning parts at it. Has a hard PO411 every time the system test runs. Baro reads atmospheric at 14psi as does the air pressure sensor static or running. When I activate the air pump with the so... Trouble codes: P0411
2007 Chevrolet Silverado 2500 HD LT 6.6L Cruise Control VIN: 1GCHK236X7
I have 2 customers , with both are haveing the same problem, the cruise control will not set or turns itself off, when the temp outside is colder. Works better as outside temp rises. No codes, no tech bulletins, no record in repairs. Any help wi;; be greatly a...
2002 GMC Sierra 3500 SL 6.6L Trans Shifting VIN: 1GTJK33132
We have a 3500 Sierra 4X4 Truck That Recently Went Into Limp mode the customer thinks.Was pulling horse trailer & it started shifting weird.Then trans temp guage went up higher than normal.Then had no reverse & R On PRNDL Was Flashing when it had no reverse.Af...
2006 GMC Sierra 2500 HD SLT 6.0L No Start, Stall VIN: 1GTHK29U86
This customer can home one night shut it off the next day Start and then stall So anyways, Truck starts and then stalls every time start stall start stall start stall. I have no communication with scan tool for PCM/ECM I can Keep it running as long as I spray ...
2000 Pontiac Bonneville SSEi 3.8L climate control VIN: 1G2HZ5417Y
climate control is inop. on the display it have three dashes and does illuminate. I've tried to communicate but it will not with versus or tech 2. I did notice that carpet was soaked so I removed it to check for water damage none found. I also check all ground...
2005 Pontiac Grand Prix GTP 3.8L Battery VIN: 2G2WR524X5
Hello again and any help on this issue will be great. Car came in with Battery Saver Mode active. The customer had the vehicle somewhere else and had the battery and alternator replaced there, of course they never got any deeper. Battery checks out and alterna...
2007 Pontiac Grand Prix GT 3.8L Shifting VIN: 2G2WR55447
After replacing the cracked head we were test driving the Grand Prix. It was shifting hard. I know these have known issues with pressure contol solenoids. I brought it back to the shop and the fluid was low, but not low enough to cause problems. Topped off flu...

Fixes & Summaries for GM
Fix/Summary Answers
2005 Cadillac CTS 3.6L valves VIN: 1G6DP56785
Well folks, I finally got her going. Valve job, new chains, guides, and tensioners and Im' out the door. We opted to fix rather than to replace the engine. The cause of the failure was left bank tensioner lost it's spring tension and poor oil quality. I used s...
2003 Chevrolet Tahoe LT 5.3L Heated seat, left VIN: 1GNEK13Z63
First, thank you to all that responded with help. It was found that the problem was in the LF door module,(LF window switch). What was throwing me off was that the problem did not exist in the doaner vehicle I was swapping parts with, or so I thought. I ended ...
2005 Saturn Ion-2 2.2L door latch
Finally got this one wrapped up and back on the road. The window fell out of the regulator grips. Also a bolt fell out that aligns the regulator to door plate. I knew the rods were bent do to everything colliding. The rod that opens the latch from the door han...
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