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Professional Automotive Repair Technical Discussions for October 8, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2011 Buick LaCrosse CXS 3.6L tires / bearings VIN: 1G4GE5ED1B Greetings 2011 Lacross cxs with 19" tire option. This car has excseeive road noise it starts at 20mph the faster you go the louder it gets. I would say the frequency is consistant with a bearing type noise. All bearings we tested with a stethoscope and found a... |
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| 1995 Chevrolet Tahoe LS 5.7L 30 kv at idle VIN: 1GNEK13K7S Truck came in for missing and stalling. Found coil wire arcing to coil body. Tuned up and fine for now but firing 30 k at coil wire and 25k at plug wires at idle. Fuel trims indicate not lean and timing is correct. Receipts in truck indicate this has been happ... |
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| 2002 Chevrolet Tahoe LS 5.3L Compressor VIN: 1GNEK13TX2 After finishing the repair, ran vechicle and the rear air is blowing very cold, the front will not blow cold at all. evacuated and checked for blockage in the front evap and it still appears there is none. currently the rear air blows cold but the front will n... |
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| 2002 Chevrolet Impala LS 3.8L Cuts out VIN: 2G1WH55K32 Thanks in advance for any help I'm pulling my hair out on this one. Car will cut out for a a second and then keep running. It will do it a t idle in the bay and also out driving under load. While this happens I loose communication with the scanner. As soon as ... |
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| 2002 Chevrolet Impala LS 3.8L right axle seal leaking VIN: 2G1WH55K72 At this point I'm not sure what to do with the car. I have replaced the right side cv axle twice(aftermarket axles/rebuilt) and the seal 2 times with aftermarket seals and once with a factory seal. What am I missing here? I've also applied a little RTV to the ... |
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| 2002 Chevrolet Silverado 2500 HD 8.1L Cuts out VIN: 1GCHK29GX2 Truck stalls intermittently and will not start until engine cools off or wait for a while. Crank sensor sits on the driver side of bell housing. Freeze frame shows 0 rpm cranking. Trouble codes: P0335 (Crank shaft position sensor circuit), P0404, P0706 |
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| 2005 Chevrolet Silverado 2500 HD 6.6L Poor Idle Quality, Misfire, Poor Fuel Economy VIN: 1GCHK232X5 This vehicle came to us after Chevrolet dealer changed filters and told customer "that is as good as it runs". Customer complains of knocking noise in engine up to approximately 1700 rpm, runs rough at idle and fuel mileage dropped from 16 mpg to 12 mpg. No MI... Trouble codes: P0300, P0301 (Misfire cylinder 1), P0302 (Misfire cylinder 2), P0307 (Misfire cylinder 7) |
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| 2007 Chevrolet Aveo LS 1.6L Compressor VIN: KL1TD66607 Have a 2007 Chev Aveo hatchback that the AC blows 28 degrees & will freeze up on the highway. This is a manual ac system. There seems to be no ac compressor control to keep this from happening. From the wiring diagram & a visual inspection there is no low pres... |
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| 1995 GMC C1500 Sierra SL 6.5L No Start, Cuts out, Stall VIN: 1GTEC14P8S Vehicle runs strong between failures. After restoring fuel pump operation (new oil pressure switch), now restarting after stall is immediate. Sometimes it runs 30 minutes+ with no failures. Monitored power to FSD during stall and circuit maintained 12.7V. All ... Trouble codes: DTC, 35 (history code after clearing codes has not reset after multiple stall), DTC, 33 (MAP high. Has reset once since initial code clearing), DTC, 32 (EGR System problem. Code re-appeared once since clearing), DTC, 65 (Accellerator pedalposition. Historical code. Has not re-occured) |
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| 2007 GMC Yukon XL 1500 SLE 5.3L gauge cluster VIN: 1GKFK16337 customer came in stating at night, the back lighting on the gauge cluster will flicker and is very hard/ near impossible to see regardless of potentiometer position. however, the HVAC control, radio, dimmer switch and radio control buttons on steering wheel fu... |
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| 2007 GMC Acadia SLT 3.6L Park Assist VIN: 1GKEV33737 Hello Group Todays pain is a Parking assist problem we got from the collision shop Have replaced all the ultrasonic detectors and the control Ohmed all the wires back and forth - there is no damage to the harness anywhere. Keep getting codes 0958 0959 0961 wit... |
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| 2001 Oldsmobile Alero GL 3.4L Airbag VIN: 1G3NL52E61 vehicle was a no start. was taken to another shop. They had a security issue. They bypassed security system with a resistor. Still no start. Vehicle was brought to me, I reconnected circuit wiring to oem. Ck wiring to bcm. all was good. Customer had gotten a u... |
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| 2004 Oldsmobile Bravada 4.2L MIL Lamp on VIN: 1GHDT13S14 This problem is intermittent. Check engine light would come on with this code about every 50 miles. The light would even go out on it's own most of the time. The first thing I did was simply replace the map sensor with no test. (most common failure) Customer r... Trouble codes: P0106 (Map sensor performance) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2007 Chevrolet Silverado 3500 HD WT 6.6L Engine bad VIN: 1GCJK33667 Sorry for the long delay, but I was having trouble getting in touch with the owner. I really appreciate everyone's responses. After presenting the info and choices, the owner has decided to go with a re-man engine (WOO HOO!!!). I also requested the cost of ... |
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| 2008 Chevrolet Trailblazer LT 4.2L Starting VIN: 1GNDT13SX8 The problem was at the rear of the radio it was a short in the connector. |
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