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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 1, 2012
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
2008 Cadillac CTS 3.6L Timing chain VIN: 1G6DF577X8
Car has intermittent VERY LOUD timing chain rattle coming from Right bank (B1). I got teardown time to remove front timing cover. Removed front cover to find no broken guides or marks on timing cover from chain hitting, no tensioners fully extended, all in all...
2003 Chevrolet Silverado 1500 5.3L Cuts out VIN: 1GCEK19T03
Hi guys thanks for the help in advanced. I have this 2003 Chevy Silverado giving me fits. I initially was sold on a fuel problem. What the problem is when you go around turns slow or come to a stop the vehicle cuts out and stalls. I scanned the vehicle and no ... Trouble codes: P1637 (Generator Turn-on Signal circuit out of Range)
2006 Chevrolet Silverado 1500 LT 5.3L power steering VIN: 1GCEK19T16
this truck came in with an intermittant power steering issue. on further inspection we found as long as the vehicle was in motion the steering was fine. when at a full stop(does not matter what shift position) sometimes there is no power steering at all someti...
2002 GMC Envoy SLE 4.2L Stall VIN: 1GKDT13S02
truck runs fine till you turn on a/c then stalls.a/c compressor O.K. engine code p0105 Trouble codes: P0105
2008 GMC Acadia SLE 3.6L Wipers VIN: 1GKEV13788
The wiper system will not park, replaced motor, no change, scanned bcm switch malfunction indicated at the highest 2 intermitant settings, park active signal present(scanner) when on high speed setting, with high speed running. New switch produced no change in...
2003 Oldsmobile Alero GLS 3.4L No Start VIN: 1G3NF12E13
This car was towed into shop with no start. The engine does crank. The problem that we have is that it will blow the fuse for acbfc. It will only blow the fuse when the car sets over night in the shop. When we replace the blowen fuse in the morning. We can s... Trouble codes: B1374 (Divice ignition 1 circuit open)
2002 Saturn L100 2.2L Gas smell VIN: 1G8JS54F02
Customer smells fuel when coming out of car. I put car on lift & smelled fuel vapors above the gas tank. Dropped tank ready to replace the fuel pump, but couldn't pin-point any broken lines or leaking seals. Did research on the internet & lot of people compla...

Fixes & Summaries for GM
Fix/Summary Answers
2004 Buick Rendezvous CX 3.4L Exhaust VIN: 3G5DB03E04
Well customer finally brought vehicle back in yesterday so we could look it over again.Most of the replies suggested that we had an exhaust problem.Three guys came up with the right answer.Thanks to John from New York for printing out the TSB #04-04-17-001B.A...
2004 Chevrolet Silverado 2500 6.0L wheel speed sensor VIN: 1GCHK29UX4
thanks to all iatn members as usual... prior to replacement of sensor (that still came apart during attempted careful removal) we had checked every tooth on tone wheel as well as verified no play in same tone wheel or play in bearing on hoist check, we suspect...
2006 Chevrolet Impala LT 3.5L Hesitation VIN: 2G1WT58K26
this car ended up going to dealer ..we could not pin point the problem after many hours of diag. good thing is we did not try any new parts so we only lost time and some frustration, no worries. thanks for all that took time to help...
2005 Saturn L300 3.0L timing belt VIN: 1G8JD54R55
Hi All Thank You very much for answering my question. Most said if i locked cams and was Very careful I shouldn't have any problems.replaced belt and tensioner, no real problems took my time and triple checked everything. turned engine by hand 2 revelotions n...
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