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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 5, 2020
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Open Help Requests for GM
Help Request Answers
2012 Chevrolet Silverado 1500 LT 5.3L spider gears VIN: 1GCPKSE74C
hello fello techs,this silverado is giving me fits,came to me with a bad clunk,side and spider gears were bad,all the clutch packs looked fine,ordered new gm gears,cleaned everything,reinstalled the carrier seemed to lock like a normal g80 installed the pr...

Fixes & Summaries for GM
Fix/Summary Answers
2003 Chevrolet Silverado 1500 4.3L No Start VIN: 1GCEC14XX3
sorry for the delayed closing of this one. I found a pin hole in the top of the rotor allowing the spark to run down the dist. shaft. wierd thing is that i had spark at the plugs, about 20kv. finally found it when i hooked up a timing light to all the wires an... Trouble codes: P1629 (Anti-theft fuel enable ckt-intermittently).
2012 Chevrolet Sonic LS 1.8L Fuel Alcohol Content VIN: 1G1JB5SH2C
After more test drives fuel trims were within nominal values. This car is not a flex fuel as pointed out by having a lack of Alcohol Content Sensor. This whole process was convoluted but I think this thread may have useful information for someone else in the...
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