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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 27, 2021
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Open Help Requests for GM
Help Request Answers
2011 Chevrolet Silverado 2500 HD LT 6.6L steering gear VIN: 1GC1KXC81B
Power steering gear box leaking from top(input) seal and lower(pitman) seal. Anyone replace these seals? If so any special tools, precautions,tips, or advice on trying to do this job? Thanks!
2017 Chevrolet Silverado 1500 Custom 4.3L factory brake controller VIN: 1GCPWBEK2M
have a 2021 chevy 1500 customer with the 2.7 i added the factory brake controller after reflashing the brake control module the controller still doesnt work, is there another module that needs to be flashed?
2010 Other GM Barina 1.6L Driver Key & Barrel VIN: KL3SA0861A
Customer complains that turning the key in the driver door barrel fail to move freely (feels like something is jammed in one direction), thus can not lock the car with the key or with the inside push-rod, driver side, but able to do so from the passenger s...

Fixes & Summaries for GM
Fix/Summary Answers
2007 Cadillac CTS 2.8L No Start VIN: 1G6DM57T17
So, after jumping through many hoops I bit the bullet and took the thing apart. Tried turning it a million times but the marks never met again in the same spot twice. I reset the timing chains with the same results. IMO whoever designed this timing chain set u...
2004 GMC Yukon XL 1500 Denali 6.0L No Start VIN: 1GKFK66U14
Well, this one is finally fixed. After checking power supplies at the fuse block with the key on and with the key off, we found that there was a trickle of power, just enough to light a test light to a orange glow on the ground circuit of the injectors. We dec...
2004 Other GM VY 3.8L MIL Lamp on VIN: 6G1YK32A84
Car had P0151 O2 low voltage bank2, changed it with a new sensor from a reputable local part store. Cleared ECU and retested it for no avail. still same, checked all wiring and scope waveform, load test the heater circuits. switched the O2 sensors around and t... Trouble codes: P0151 (Left O2 volt low).
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