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Professional Automotive Repair Technical Discussions for August 4, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1997 Buick LeSabre Limited 3.8L Control head VIN: 1G4HR52K3V We have this Buick in the shop that has automatic duel climate control and when you put the Heat between 8o-85 it blows ice cold air as well as the temperature that is displayed on the control head is flashing we have checked for codes with the snap on solus a... |
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| 2004 Chevrolet Silverado 1500 5.3L Electronic VIN: 2GCEC19T74 Looking for information on how to replace recirc door actuator. Mod says remove dash, labor guide says 3.5 hours. |
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| 2007 Chevrolet Trailblazer LT 4.2L blower VIN: 1GNDT13S97 Hello everyone and thanks in advance! Got another strange one here. This vehicle initially came in because there was no mode operation, the air would only blow out of the defrost and feet. Replaced the mode door actuator and all was good...EXCEPT that when ho... |
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| 2008 Chevrolet Express 3500 6.6L MIL Lamp on VIN: 1GBHG39698 Hello fellow techs, this unit is one of three we service, they are all high mileage, high hour (11662.0 on this unit) vehicles, they all intermittently set P0101 codes, freeze frame data, at operating temp 185, slightly elevated idle 800 rpm, 46.42 g/s, egr va... Trouble codes: P0101 (Maf performance) |
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| 2008 Chevrolet Malibu Classic LS 2.2L air bag system VIN: 1G1ZS58F28 hello good morning guys i'm here looking for some help, I have this Malibu with the air bag problem; code B0081 passenger presence system (symptom 71) check the wire under the passenger seat, follow step by step diagnostic procedure got all power & ground to t... |
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| 2008 GMC Acadia SLE 3.6L Poor acceleration VIN: 1GKER13708 Vehicle towed in for overheating twice. Checked for head gasket damage with hydrocarbon checker, no issues found. Replaced waterpump and thermostat (waterpump was leaking severely). On repair verification test drive, we noticed that the check engine light was ... Trouble codes: P0330 (Knock sensor b2 open or shorted circuit) |
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| 2008 Hummer H2 6.2L rear diff lock actuator VIN: 5GRGN228X8 Car is like new. 6500 miles Permanent "Service 4wd" message on cluster. 4wd engagement works but not rear diff lock actuator Code C0388 on transfer case control module. (rear diff lock actuator circuit open or shorted to ground) Code will not reset Rear d... |
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| 2001 Pontiac Grand Prix GT 3.8L Blower speeds VIN: 1G2WP52K71 I suspect a blower resistor, but high speed is intermittent as well-no lower speeds at all. Then all of a sudden, the system comes to life! |
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| 2004 Pontiac Grand Am SE1 3.4L caliper VIN: 1G2NF52E64 new customer, vehicle came in with a hard brake pedal. after a couple of test found brake booster bad. replaced brake booster, test drove vehicle and no other problems. customer picks vehicle up and drives about 15-20 miles and states right front wheel locked.... |
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| 2008 Pontiac Solstice GXP 2.0L Water Pump VIN: 1G2MF35X18 replaced water pump now Ihave a high pitched noise like a super charger in the pump or timing chain area. Used the proper holding tool for the job, Thanks for any Ideas and help. |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2003 Chevrolet Impala LS 3.8L I/M readiness VIN: 2G1WH52K43 Ok here's what I learned on this car. 1; The reason the monitor wouldn't run was due to the ambient temperature being too high. We had been attempting to run the test by just driving the vehicle here and there. Well since that was during the days normal busi... Trouble codes: P0463 (Fuel level ckt fault), P0135 (O2 heater circuit fault B1S1). |
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| 2005 Chevrolet Silverado 1500 4.3L Stop And Park Lamps VIN: 1GCEC19X15 Most of the replies were right about the cross circuit being the problem. It would seem that the customer has a friend who is a prankster. What I did find after checking the rear brake/park light sockets much closer was a well placed and almost hidden was a sm... |
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| 2008 Chevrolet Tahoe LTZ 5.3L Starting VIN: 1GNFK13018 First off I would like to thank everyone for the help, I un plugged the range switch and no luck there, I was getting 58.6 ohms across the CAN lines at the obd2 port with everything hooked up. I ordered a brand new BCM from GM no luck there either. It was not ... |
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