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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 11, 2025
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
2009 Chevrolet Silverado 2500 HD LT 6.6L Power windows VIN: 1GCHK53619
Hello all, so cust complaint is none of the windows work form any switch. Also the radio (aftermarket) doesnt shut off when the key is removed, but will power down after some time (not causing a draw). They did say that the windows and the radio issue star...
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Fixes & Summaries for GM
Fix/Summary Answers
2004 Pontiac Montana 3.4L Misfire VIN: 1GMDX13E84
So this one is fixed, and it being my cousins wheelchair van gave me a bit of added pressure. I believe we had 1 cylinder with week valve springs because sometimes it would run normal at cold start. I found out this engine already had been replaced at one poin... Trouble codes: P0305, P0306.
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