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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 30, 2025
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Help Request Answers
2012 Audi A8 Quattro L 4.2L Engine VIN: WAURVAFD9C
2012 Audi A8 Quattro L 129k miles Well maintained. Local dealer was selling this car and an existing customer brought it to us for a pre-buy inspection. When the tech went to pull it in the shop, it would not start. Just crank and crank and crank and event...
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2008 Chevrolet Silverado 2500 HD WT 6.6L 1-2 shift VIN: 1GCHK23618
This Allison 1000 will miss the 1-2 shit once in the morning after sitting overnight. Sometimes it'll set p0844,p0877 and if cleared it'll run all day perfectly until it sets overnight. I've changed the internal harness and pressure switch assembly. Module...
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2016 Ford F-250 Super Duty XLT 6.2L Engine VIN: 1FT7X2B64G
Noise under valve cover at start up, other times no noise. When there is a noise, after the engine is warmed up the noise goes away. I suspect timing chain.
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2023 Kia sorento hev 1.6L Unknown
Thanks for the replies. Jim hit it right. We found the balancer had too much play in the pulley. Would move almost a 1/4 inch. New one was tight.Looks like this will be a problem for the oem.
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2015 Nissan Xterra PRO-4X 4.0L Cooling fan VIN: 5N1AN0NW9F
The AC compressor was the component that failed due to a failed fan clutch. Performed a complete AC service kit with new expansion valve, condenser and flushed all remaining lines and evaporator core. No debris was present in the system. Installed new fan clut...
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