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Prev Professional Automotive Repair Technical Discussions for December 5, 2010
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Open Help Requests for GM
Help Request Answers
1997 Chevrolet K1500 Silverado 5.7L timing,rockers VIN: 1GCEK14R6V
It turned over as if there is no compression. I checked and we have spark, we have fuel. Found no compression. Book said to adjust hydraulic rockers by tightening untill there was no valve lash, or couldnt twist push rod. then an additional 3/4 turn. We set al...
1997 Chevrolet C1500 Silverado 5.7L Poor Idle Quality VIN: 2GTEK19R1V
Vehicle after driving and warmed up misses at idle only,.Misfires are always recorded on cylinders 1,3,5,7. sometimes sets P0300 and sometimes sets bank 1 and bank 2 o2 sensor codes. Son replaced all o2 sensors twice. replaced plugs, cap and rotor, also replac... Trouble codes: P0300 (MISFIRE CODEtimes), P0430
1999 Chevrolet Monte Carlo LS 3.1L Abs VIN: 2G1WW12M6X
Hello all. When driving from a stop, all is quiet at any speed. But, when you push brake pedal, the ABS solenoids will start clicking on and off till you get down below 14mph. Does it everytime. No codes-data looks good. checked all connections and entire syst...
2003 Chevrolet Express 2500 4.8L No Start, MIL Lamp on VIN: 1GCGG25V23
Van came in with intermittent no start- checked for codes found po335 ckp sensor problem- replaced sensor with brand new one. Still no start - reset computer with scanner. Code & light come back. Traced wires to computer - green wire has 9volts - yellow wire c... Trouble codes: P0335

Fixes & Summaries for GM
Fix/Summary Answers
1998 Cadillac DeVille 4.6L Oil Pressure VIN: W06VR52R5W
I did check the oil filter, it was not clogged. I drained the 5w-30 oil,took off a WIX filter. put in 15W-40 and an AC-Delco Filter and so far so good. The pressure stays at about 20 PSI at idle. The customer just called this past week to say the car is runnin...
2002 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDT13S12
Well I think this one is fixed. Boss opt to put any engine in this one. Instead of tearing down for timing chain problems. Thanks to all who reply. I tried the camphaser solenoid, cam sensor, camphaser, as many had said to try with no fix. Clean full oil in en... Trouble codes: P1345 (crank/cam sensor correlation), P0014 (cam phaser performance), P0340 (camshaft postion sensor problem).
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