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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 4, 2013
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Open Help Requests for GM
Help Request Answers
2004 Cadillac DeVille 4.6L Left Front Pretensioner VIN: 1G6KD54Y34
This caddy came to me from a used car dealer that does not repair anything inhouse.he needs the airbag light out to get a vald inspection sticker before he can sell it.i repaired the engine codes,and told him i would look into the airbag problem with no guaran...
1963 Chevrolet C20 Pickup 4.8L Poor Idle Quality VIN: 3C254J1084
So I probably shouldn't be working on stuff 6 years older than me but here goes... This is a good customers daily driver that came in last fall because it wouldn't idle. Customer replaced points and played with timing. I didn't have room to get it in my shop, ...
1996 Chevrolet Blazer 4.3L cy #6 P0306 VIN: 1GNCS13W0T
I realize a lot of this data contradicts itself. That's why I'm on iATN. If you watch the pre-cat O2s when their waveform is being graphed by EScan Pro they switch normally, but if you look at the voltage PID B1 and B2 are both stuck high and they stay "RICH"....
2004 GMC Sierra 1500 SLE 5.3L driveshaft VIN: 1GTEK19T34
we have this 4x4 gmc that under just the right load and road speed-(38-40 mph) in 2 wheel drive there is a noise and vibration coming from the rear end of the vehicle. it feels like it has the harmonics of driveshaft speed. we pulled the truck on the lift but ...

Fixes & Summaries for GM
Fix/Summary Answers
2004 Oldsmobile Alero GL 2.2L Engine VIN: 1G3NL52F54
Hello All, this one is fixed it was the timing chain it was off 6 teeth , the fixed timing chain guide was broken at the bottom bolt, the piece was just hanging there, replaced the timing chain and guides, sprockets, also did the balance shaft chain and guides...
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