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Prev Professional Automotive Repair Technical Discussions for October 20, 2014
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Open Help Requests for GM
Help Request Answers
2002 Chevrolet Monte Carlo SS 3.8L oil to top end VIN: 1G1WX15K32
Vehcile overheated due to coolant leak replaced head gaskets. Then found engine has lifter noise. Dissasembled engine again. Found several rockers and push rods worn also found 3 cam lobes worn. replaced cam, bearings, lifters, push rods and rockers. Still has...
2005 Chevrolet Express 2500 6.0L No Start, Stall VIN: 1GCGG29U65
Hello not sure what we have going on hear. The van starts and dies like in security mode but no security light flashing. All testing leads to the BCM put in new one and got it reflashed and still starts and dies. I have two codes p1626 anti theft system fuel e... Trouble codes: P1626, B3031
2009 Chevrolet C5500 Kodiak C5E042 6.6L Hesitation VIN: 1GBE5C19X9
This ones is for the Duramax techs. I've taken in this delivery van with that will fall on it's face under hard acceleration. It came to me with a new fuel filter already installed that didn't correct the problem. We road tested and verified the complaint, the... Trouble codes: P0087 (Fuel rail pressure low)
2011 Chevrolet Cruze LT 1.4L MIL Lamp on VIN: 1G1PG5S97B
Complaint: when driving check engine, abs, traction control, lights come on. Vehicle goes into limp mode and downshifts to lower gear and has no power when this happens. Customer brought to dealer and appears that they replaced the transmission plug connecto... Trouble codes: U0101, B1517 (Battery Charging)

Fixes & Summaries for GM
Fix/Summary Answers
2010 Chevrolet Impala LS 3.5L EVAP and O2 VIN: 2G1WA5EK5A
450 miles later and all monitors passed...setting criteria ridiculus...
2012 Chevrolet Suburban 1500 LT 5.3L Hesitation, Clunk VIN: 1GNSCJE08C
Well, oddly, this vehicle was fixed before I posted this TechHelp request, but I didn't know it. When I pulled the ABS fuses and put them back in, "rebooting" the ABS computer solved the problem. Seems it was just a problem with junk data in the computer. What... Trouble codes: C0900, 00 (Device voltage too high).
1997 Pontiac Grand Am GT 3.1L Misfire, rich VIN: 1G2NW52M8V
Vehicle is fixed. Turns out I had either a 3.4 set of heads on this engine or an entire 3.4 engine and its supposed to be a 3.1 When putting the lower intake on (for a 3.1)I just snipped the center gasket aline pins off (due to there not being a hole in the c... Trouble codes: P0300 (testing and results).
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