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Professional Automotive Repair Technical Discussions for March 7, 2018 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1996 Cadillac Fleetwood 5.7L a/c clutch VIN: 1G6DW52P5T hey techs; the a/c clutch will slip and chatter for just a second on the first engagement of the day and then work fine, locks up no chatter or anything at any engine speed, the rest of the day. you can see the clutch slowing down but it never stops whe... |
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| 2010 Cadillac Escalade ESV 6.2L No Start, Poor Idle Quality, Stall, MIL Lamp on VIN: 1GYUKHEF2A From everything I can see, we have a very expensive cut and dry fuel pump problem that we rectified as evidenced by the fuel pressure tests and Fuel rail pressure signal on the Solus Edge. Same symptoms however of crank, no start or sort of runs rough then... Trouble codes: P0449 (Canister Vent Control circuit) |
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| 2004 Chevrolet Silverado 1500 LS 5.3L All Gauges, Prndl,Shifter VIN: 2GCEC13T44 I have a 2004 Silverado that has a weird intermittent cluster issue. When the truck is started after sitting for at least 3 hours and after 5 seconds of run time, the gauges and prndl will do dead and power back on as the shifter handle is pulled (column shift... |
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| 2008 Chevrolet Tahoe LTZ 5.3L Transfer Case VIN: 1GNFK13068 Please help this tahoe 4 wd is inop,it had faults c0321 range actuator short to battery, b0790 transfer case neutral range indicator control circuit short to ground or open c0569 system configuration calibration not learned. The encoder motor has been replaced... |
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| 2015 Chevrolet Silverado 1500 LS 4.3L Misfire VIN: 1GCNCPEHXF Hi all I have this Silverado with a P0335 also no tachometer signal. Customer had the crank sensor replaced to no avail. I have 5 volt at the sensor and 0.28volts return. I did a continuity test and all three wires ohmed good. By the way the sensor was an ... Trouble codes: P0335 (Crankshaft Position Sensor) |
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| 2014 GMC Terrain SLE 2.4L Hesitation VIN: 2GKALREK7E We have a bad sensor here and need to replace the accelerator pedal. Book only calls for 1.2 hours. Can not get the bolts out due to the heater box being in the way. Wanted to take the bracket off but it doesn't look that will work either. Can anybody t... Trouble codes: P2122 (APP Sensor), P2122 (APP Sensor) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2009 Cadillac Escalade EXT 6.2L Stall VIN: 3GYFK22299 My scanner wouldn't show any fuel pump module pids, even in Generic OBDII. So I checked voltage at the pressure sensor while bleeding off pressure with my gauge and the voltage dropped as pressure dropped, so the sensor is good. I then located the module on th... Trouble codes: P069E. |
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| 2007 Chevrolet Silverado 1500 Classic LS 4.8L unknown VIN: 2GCEC13V67 Customer took vehicle and replaced brake booster a second time and that fixed it. Customer said m/c mounting flange to the push rod measured 1 3/8". The replacement booster measured 1 1/4". Just an 1/8" made the difference. Thanks for all the help. |
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