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Prev Professional Automotive Repair Technical Discussions for May 3, 2015
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Open Help Requests for GM
Help Request Answers
1995 Chevrolet Lumina 3.1L headgasket
customer can't afford headgasket job and wants to use sealer. Which sealer works better ( blue devil or K-seal). I did the compression tester test 3 times and the blue liquid didn't change to the color yellow. My 4 gas anilizer is down right now. The car doesn...

Fixes & Summaries for GM
Fix/Summary Answers
2004 Chevrolet Trailblazer LS 4.2L gas gauge some times works ,radio loss of bass VIN: 1GNET16S14
Thank you all for your responses ... the fix for the radio issue was replacement of all 4 speakers.The problem for the fuel gauge was the connection at the sender/pump assembly.thanks again. Ari.
2009 Chevrolet Silverado 2500 HD LT 6.0L engine
Thanks to Robert from ny hit this one out of the park camshaft on # 1 cyl was galled up on both sides of the ramp could feel it compared to other rocker no more noise and po301 gone forever
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