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Professional Automotive Repair Technical Discussions for July 23, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2000 Buick LeSabre Custom 3.8L Communication line, radio, VIN: 1G4HP54KXY Hello gentlemen, Need some help please. have this 2000 Lesabre. The problem is I lose comm with the scanner when the car is running. If I check for comm with the scanner koeo i have comm. The one thing I discovered was that if I unplug the alt. while the car ... |
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| 2002 Buick Rendezvous CXL 3.4L abs control VIN: 3G5DB03E72 I have a 2002 buick rendezvous that is trying to make me crazy. While coming to a stop, under 3-5 mph the abs activates. I f there was ice on the road this would not be unexpected but the roads are bone dry. When the car first got to me I started with a comput... |
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| 2002 Buick Regal LS 3.8L No Start, Stall VIN: 2G4WB55K02 Hello everyone I have a really wierd issue with this one. The vehicle came into the shop for a stalling issue. After hours of driving finally got vehicle to stall. Lost rpm signal pretty straight forward, so I replaced the crank sensor. Was good for 2 weeks an... |
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| 1995 Chevrolet Impala SS 5.7L Excessive Emissions VIN: 1G1BL52P4S helloe all.have this vehicle that came in under the consumer assistance program because of an emissions failure.attempted to run a smog inspection.vehicle would not test due to sample dilution.ran in manual mode to verify emissions.found oxygen content at crui... |
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| 1998 Chevrolet Blazer 4.3L Unknown VIN: 1GNDT13W4W 98 Blazer, Code P0753 1-2 shift solenoid circuit problem. Replaced both solenoids and internal trans harness. 1-2 shift valve did not appear to be stuck. Trans shifts normally, all gears and lockup. Put trans in 1st gear, manually shift to second, light comes ... |
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| 1999 Chevrolet C1500 Suburban 5.7L Blower motor VIN: 3GNFK16R6X This Suburban is being a pain! Here is the customers complaint in his own words "The system works after sitting overnight. The airflow gradually closes off and closes completely after about 1/2 hr of driving. The airflow shuts off even if the fan is not turne... |
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| 1999 Chevrolet Astro LT 4.3L Misfire, MIL Lamp on VIN: 1GNDM19W3X Customer bought van new. Is very well taken care of. They have never done any maintenance or tune-up on it. Complaint of MIL and misfire, very intermittently. I did full tune-up, see history. Two weeks later, has MIL and misfire code P0304 again, with intermit... Trouble codes: P0304 (Cyl 4 misfire) |
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| 2002 Chevrolet Express 3500 5.7L No Start VIN: 1GCHG35R82 This has an intermitant no start problem, when it won't start you can hear the ignition coil firing constantly with the key in the run position without cranking, like I noted we tried a different coil, a different ignition module a used pcm and even tried repl... |
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| 2005 Chevrolet Silverado 1500 5.3L brake lights VIN: 2GCEC13T95 Brake lights not working. Center high mounted brake light working normaly. Blinkers and hazards working. All fues good. When brake pedal is depressed the 15 amp fuse in the instument panel has 12v. It sends voltage to the under hood fuse box but nothing comes ... |
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| 2006 Chevrolet Impala LTZ 3.9L No Start, MIL Lamp on VIN: 2G1WU58106 This is a good one.Weve had this car here more than once.The first time it was towed in,customer said she was driving down the road and all her gauges were going crazy and it shut off.when we got it the battery was dead.We charged the battery and the vehicle s... Trouble codes: P1629 |
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| 1998 GMC Savana 3500 6.5L No Start VIN: 1GDHG31F1W Thanks in advance for your help. This vehicle wouldnt start came in from an other shop and they replaced the parts listed below, has no codes, fuel is good all the way to the injection pump, but is not getting it to the injectors. I scoped crank sensor, high a... |
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| 2000 Oldsmobile Silhouette GL 3.4L TCC command VIN: 1GHDX03E2Y Transmission was rebuilt. When replacing trans, TCC commands ON at all times. Unplug trans connector, and PCM continues to command on. TCC apply valve SONNAX fix was put in during rebuild, and all valves were upgrades with Sure Cure Kit. Code comes back immed... |
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| 1993 Pontiac Grand Prix GTP 3.4L No Start, Cuts out, Misfire VIN: 1G2WP14X3P Please help me here!! I have this car that has been to 2 other shops already, and now it is in my lap. The customer has NO MONEY, and wants the car to be perfect. He bought the car about a month ago, it ran great, he drove it for a couple weeks, then one day w... Trouble codes: 42 (EST Circuit) |
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| 2003 Saturn Vue 2.2L won't hardly move VIN: 5GZCZ33D13 Also has EBCM codes COO50, CO161, U2105 Lost Comm W/ECM. Also has BCM Codes U2106 Lost Comm w/TCM, and U2108 lost comm w/ABS/TCS system. All these codes and those listed below will come right back, after clearing. No visible component or wiring damage under ho... Trouble codes: P0502, P0701, U2106 (Lost Comm W/Trans), U2107 (Lost Comm W/BCM), U2105 (Lost Comm W/ECM TCM Code), U2107 (Lost Comm W/BCM) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2000 Buick LeSabre Custom 3.8L front power windows VIN: 1G4HP54K5Y yay! this beast is back on the road. this vehicle has a long history of wiring problems apparently. the driver side fix was the broken ground wire in the bellows boot in between the body and door. the passenger side was a little different, i tested it the same... |
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| 1990 Cadillac Allante 4.5L code 63 VIN: 1G6VS3383L well, due to the lack of information available on this car any my inexperience with this type of system, i was not able to fix it. i havent even heard of a cadillac allante until this car showed up. cool car though. and i wasn't going to just put a 1200 dollar... |
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| 1994 Chevrolet K1500 5.7L Misfire VIN: 2GCEK19K9R Thank you for all of your replies. Decided that since the problem was cured intially and then came back we would replace the distributor again under warranty. This corrected the condition. Thank you for your time. God Bless. |
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| 2005 Chevrolet Silverado 2500 HD 6.6L r/f abs circuit VIN: 1GCHK23255 thank you to all for the help.special thanks to chuck [...] for the first of many telling me to scrape the rust off the hub housing.results were immediate! thanks again jim |
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| 2005 Chevrolet Silverado 1500 5.3L Blower Motor VIN: 2GCEC19T85 After checking that other modes of the HVAC were working, I removed and replaced the blower motor resistor(module). This resolved the problem. IT WAS THE FIX! The resistor(module)is located above the passenger's feet and is attached by two screws into the bott... |
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| 1996 GMC K2500 Sierra SL 6.5L hvac VIN: 1GKGK26F7T Thanx for the replies. I was thinking in the same direction as Michael and Mitchell, but what fixed this one was replacing the rear ex-valve. The valve was allowing to much refrigerant through. The thermal bulb seemed to be clamped o.k., so I replaced the valv... |
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| 1992 Pontiac Grand Am SE 2.3L No Start VIN: 1G2NE1432N This car won't just go away but you guys were right about the coil tower. That problem is fixed, now on the test drive a power steering hose busted... I'm sooo glad it's Friday? Thanks to all of you for your help. Ray |
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