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Professional Automotive Repair Technical Discussions for April 6, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1997 Chevrolet Blazer 4.3L Power Assist VIN: 1GNDT13W1V This vehicle initially came in because of worn out tie rod ends, pitman arm, and idler arm. After installation, we test drove it and lost power steering almost immediately. We first loosened and re-tightened the pitman arm and idler arm nuts at the centerli... |
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| 2007 Chevrolet Silverado 2500 HD Classic LS 6.0L Left rear brake rotor VIN: 1GCHC23U47 Vehicle came in with vibration/pulsation when braking. Left rear rotor runout very obvious. removed tire/wheel to check out. When the axle shaft is removed( full floating) , there is no runout on the rotor. Is there a problem with the axle shaft or is there so... |
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| 2008 Chevrolet Cobalt LT 2.2L blower motor VIN: 1G1AL58F58 All fuses check good, with blower hooked up orange wire has battery voltage and brown wire has battery voltage. With it un-pluged orange wire battery voltage and brown wire shows open no voltage or ground. Can take jumper wire and run blower. |
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| 2014 GMC Sierra 2500 HD SLE 6.6L No Throttle VIN: 1GT120C89E This truck acts like it is in reduced power mode unless you turn the traction control off, then it runs just perfect. All the wheel speed sensors, and brake pedal sensors are reading and there are no codes in any of the modules. Traction control is not active... |
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| 1996 Pontiac Sunfire SE 2.4L Hesitation, Misfire VIN: 4G2JB32TXT 99% of the time the car runs great but if you accelerate moderately, it will hesitate and miss. Light acceleration is no problem. No codes stored or pending. New AC Delco factory plugs, fuel filter, throttle body cleaning. Hate to throw parts at it but feels l... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2008 Cadillac STS 3.6L transmission VIN: 1G6DW67VX8 further checked pressures on a pressure guage and they seem to be within spec. After driving it a few days to relearn , shift 2-3 was still hard. So we decided to send vehicle to trans shop for further diagnosis. Thanks for all the help |
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| 2009 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on VIN: 3GCEK23329 Thanks to all that replied. This truck is used for landscaping and when I went to check it out it was buried in packed and wet mulch so I just went and changed it and now all is good Thanks again,Jim [...] Trouble codes: P0446. |
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| 2010 Chevrolet Impala LT 3.5L Surge VIN: 2G1WB5EN8A replaced the variable cam magnet and test drove. Engine ran good and no check engine light. Thanks to everyone who responded. Trouble codes: P0010. |
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| 2011 Chevrolet Malibu LTZ 2.4L Misfire VIN: 1G1ZE5EU0B tried running compression with no resolve. return vehicle customer with a follow up and found out that misfires has not returned. only thing i could suspect that there was debris in fuel rail and it cleared when i swapped injectors. Trouble codes: P0300. |
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| 2005 GMC Yukon SLE 5.3L Hesitation, Surge VIN: 1GKEK13T65 Thanks for all the input. Customer ended up taking vehicle back. We told the customer we suspect a faulty torque converter. Customer installed used transmission and all problems went away. |
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