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Prev Professional Automotive Repair Technical Discussions for January 22, 2014
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Open Help Requests for GM
Help Request Answers
2007 Cadillac Escalade 6.2L Unknown VIN: 1GYFK668X7
Vehicle came in with multiple problems. Had multiple codes for bank 2 upstream o2 sensor, a bad driver side motor mount, and the check suspension light on. Otherwise vehicle drove great. Customer wanted me to diagnose suspension light. Diagnosis turned out to ...
2008 Cadillac CTS 3.6L Mechanical VIN: 1G6DF57788
We have had this vehicle in and scanned, found codes which would indicate that the timing chain is still not correct. Our customer is a dealer who purchased the vehicle at auction. We brought this back to Cadillac and they said that the Camshafts were moving a...
2001 Chevrolet P37 MotorHom 7.4L no steering assist and pump noise
I need info and help with a hydro-boost system with auto park drive line brake. This is in a 2001 Southwind Class A Motorhome, Chevy P37 chassis. soory about no VIN, I will be at the vehicle later today Customer replaced the Power Steering pump a couple of t...
2002 Chevrolet Venture LS 3.4L No Start VIN: 1GNDX03E72
Vehicle has compression across the board, fuel pressure is within specs has nice bright blue spark(jumps 1/4 inch gap and brightly illuminates a spark tester)the problem is no injector pulse. To my knowledge on this vehicle the PCM will use camshaft senor as p...
2007 Chevrolet Silverado 1500 LT 4.8L Shifting harsh, speedo bounces, CEL, ABS, Brake VIN: 1GCEC14C47
Worktruck came in with a complaint of warning lights, harsh shifting, speedo bouncing. Verified and pulled codes. **PCM Codes -P069E FPCM Requested MIL -P0700 Trans Control System Fault -P0703 Brake Switch Circuit -U7300 Control Module Comm Bus A Off -U0101 Lo...
2003 GMC Yukon XL 1500 SLE 5.3L abs VIN: 1GKFK16Z13
Hello guys and girls got a good one here truck came in with abs light on and pulling left when braking frond code c0040 for r/ f speed sensor checkedwill bearing had lots to play and no sig out of speed sensor after replacing wheel bearing cleared code and tes...
2007 GMC Acadia SLT 3.6L parking assist , fuses VIN: 1GKEV33717
Got this vehicle from a body shop after a rear end hit. It happens to belong to a neighbor of mine to boot. Car was hit from behind by a snow plow with little apparent damage. Appears hitch prevented more damage. The shop replace one backup sensor that had be...

Fixes & Summaries for GM
Fix/Summary Answers
1999 Chevrolet Silverado 1500 4.3L Stall VIN: 1GCEC14W8X
well the customer has stated that he now doesnt want to spend any more time or money on the vehicle, to all those who replied thank you for your time and im sorry i was not able to get a fix for this problem i did use an oem computer and i also scoped the whit... Trouble codes: P1351.
2008 Chevrolet Malibu LT 2.4L TPMS and remote lock VIN: 1G1ZJ57B78
This one had data on the bus, power and ground. I called the module bad and sent the customer for a new module and programming.
2007 GMC Yukon SLT 5.3L Misfire VIN: 1GKFC13J57
Well i did not fix this vehicle. Customer would not allow us to replace spark plugs with AC Delco. Customer has a family member that works at a Chevy dealership in California. Our customer talked to their technician over the phone. Customer IS convinced proble... Trouble codes: P0300 (Random cylinder misfire.).
2002 Oldsmobile Alero GX 2.2L Spark Plug VIN: 1G3NK52F32
I have repaired this vehicle. We did a compression leak down found no leaks. Looked for vaccume leaks no bad hoses.Sprayed gum cutter around intake no rpm change. Ran vehicle sprayed gum out around spark plug to see if plug was sealed, did not draw any fluid f...
2003 Pontiac Bonneville SE 3.8L Air suspension VIN: 1G2HX52KX3
Thanks for all the help people. It's been three weeks and then some since we've had the car in here and as of yesterday, the ride is fine and there is no noise. I called the Monroe tech help line and asked what the solution is for this application. The tech...
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