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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 26, 2019
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Open Help Requests for GM
Help Request Answers
2000 Buick Century Limited 3.1L converter lockup VIN: 2G4WY55J5Y
replaced pressure control solenoid, then trans shifted very harsh after repairs. tested pressures and they were maxed out at all PCS Currents test. removed new PSC and found the old one has come apart upon removal and tech missed that the screen was still ...
2011 Cadillac Escalade ESV Premium 6.2L compressor request VIN: 1GYS3JEF3B
This model has an A/C request signal that is a data message(not hard wired or routed through switches). The data message PID for "A/C Request" at ECM (engine computer) toggles on/off at random 1-40 seconds intervals?? New ECM, HVAC unit, and BCM with new s...
2003 Chevrolet Trailblazer North Face 4.2L Misfire VIN: 1GNDT13S43
this vehicle has constant missfires on #1 and #5. fuel pressure good, have spark and injector fire, good compression. spray tested intake gaskets...engine runs with no knock or smoke. Condition is always the same, whether idling or under load. Swapped inje... Trouble codes: P0301, P0305
2004 Chevrolet SSR 5.3L Convertible Top Inop VIN: 1GCES14P24
Customer states convertible/folding top inop. When trying to actuate top it gives a message in the instrument panel DIC "Battery Volt Too Low". I cannot seem to find any info in [...] or their tech support. The top actually worked ONE time randomly ...
2005 Chevrolet Cobalt 2.2L Steering VIN: 1G1AK52F05
Hi i have a 2005 chevy cobalt in my shop, complaint trac control light on, power steering light on, loss of power steering, vehicle shook while driving. Now when i started vehicle lights were off, drove fine. This has electrical power steering. Hook up sca...
2010 Chevrolet Malibu LS 3.5L Ipc, Bcm VIN: 1G1ZA5EK3A
I received this vehicle from the owner who purchased it from a used car lot. The mileage would not change on odometer but will run up on the trip meter. A speedometer shop cleared the IPC memory thinking the used car lot swagged a used IPC in it, when in f...
2011 Chevrolet Silverado 3500 HD LT 6.0L MIL Lamp on VIN: 1GC3KZCG6B
Hello ladies and gentleman . Has anyone ran across this code . Driving along at low speeds , sometimes sitting, stabilitrak light comes on and goes in power reduction mode. No other codes in any of the modules. Communications problem. I drove this truck wi... Trouble codes: C0242

Fixes & Summaries for GM
Fix/Summary Answers
2012 Chevrolet Silverado 2500 HD LT 6.0L lifter VIN: 1GC1KXCG9C
After pulling heads and finding not one but two lifters stuck in the bore we pulled the oil pan and frt. cover to try to pull the cam and drop the lifters out the bottom. I was only able to pull the cam out about four inches or so. Looking up from the bottom ...
2004 GMC Sierra 1500 Denali 6.0L side/carrier bearings VIN: 2GTFK69U64
Thanks for all the replies so quickly. The replies were unanimous that the diff side bearings are not a press fit, as I thought. The bearings/races were not a super tight fit when disassembled/inspected so was just looking for reassurance that was correct befo...
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