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Professional Automotive Repair Technical Discussions for April 6, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
| Help Request | Answers | |
| 1989 Chevrolet Camaro Iroc-Z 5.7L engine Got a bad nightmare here. This camaro came in on a tow truck.Complaint was: running rough,sluggish on accel,backfiring through intake. Started diagnosing and found the following problems: intake leaking coolant,plugs & wires worn out,secondary air injection st... |
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| 2000 Chevrolet Blazer LS 4.3L Misfire VIN: 1GNDT13W2Y This problem is difficult to explain but here is a brief overview of what is going on. When turning into a parking space with the steering wheel turned max{either right or left} and MOVING SLOWLY FORWARD I can feel what appears to be a missfire/vibration. Ther... |
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| 2000 GMC Jimmy Diamond Edition 4.3L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 1GKDT13W7Y Looks like my time to get headaches! This Jimmy came in with a loss of power and stalling problem. It had 56 psi and no volume from the fuel pump when running; no brainer replace pump and filter and send it on its way right, WRONG. Took it out to test drive ... Trouble codes: P1122 (TP sensor circuit intermittant low voltage) |
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| 2000 Pontiac Grand Am SE 3.4L valve train noise VIN: 1G2NG52E0Y Ticking noise at cam speed (like one lifter gone bad) no engine miss Noise starts after engine warms up. When engine is cold, quiet as a church mouse. First we tried oil change with a qt of marvel- no luck. Opened both rocker covers, all roller rocker arms wer... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2000 Chevrolet Cavalier 2.2L Convertor VIN: 1G1JC5249Y We decided that the customer would be better off with a used transmission which was only $300.00, because we couldn't confirm that the valve body was bad, plus a new Valve body from GM was $385.00. Thank you IATN members for the good advice.. |
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| 2003 Chevrolet Silverado 1500 5.3L master cyl VIN: 1GCEK19T13 Sorry for the late reply to the brake problem. I did the Run automated bleed procedure a number of times and bled the entire brake system several times. Did not help the problem at all. Customer is saving up some money to replace the ABS modulator valve. Hope ... |
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| 2004 Chevrolet Trailblazer EXT LT 4.2L 4hi/4low VIN: 1GNET16S84 Customer hasn't returned as of yet. Had a few suggestions for problem areas: harness around transfer case, decoder motor in transfer case, a couple mentioned front diff. Thanks for the suggestions folks-will keep you up to date if vehicle returns. |
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