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Professional Automotive Repair Technical Discussions for July 13, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2000 Buick Regal LS 3.8L A/C control VIN: 2G4WB55K1Y Hello GM/ Buick gurus !! I'm at my wits end with this one. Car came in for a noisy compressor clutch and blower motor only running in high. Easy right?? replaced compressor, serviced System, no leaks everything looked good except for the blower fan only workin... |
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| 2002 Buick Century Limited 3.1L Collision Repair VIN: 2G4WS52JX2 Hi all, thanks for looking and possibly helping with some insight. I have changed the BCM under the passenger seat a couple of times and no change. I can't get rid of the U1064 code. My scanner says [ Loss BCM, VTD, DIM, PZM, and/or SMM data. And I don't seem ... |
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| 1996 Cadillac Seville SLS 4.6L Air Output VIN: 1G6K52Y5TU A/C system has been serviced and was only a couple of ounces low on freon. System will intermittently stop blowing cold air and only seems to happen in high humidity conditions. Compressor main relay has been replaced. |
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| 2006 Cadillac STS 3.6L Brake Pedal VIN: 1G6DW67726 Job whent well brakes seem fine to me, but customer says that the pedal is soft. Any one ran in to this. |
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| 1995 Chevrolet K1500 Silverado 5.0L Brake Pedal VIN: 1GCEK19H2S Hello IATN members, I have a 1995 Chevy K1500 with a brake issue. The customer towed in the Truck because the brake pedal went down to the floor. He claimed to have replaced the rear brake shoes and wheel cylinders. I did a inspection to the rear and found he ... |
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| 1995 Chevrolet G10 Chevy Van 4.3L Poor Idle Quality VIN: 1GCDG15Z45 hi all and thanks in advance for any help. i have this 95 chevy van that has an erratic iac valve. engine will idle but then the iac counts go from 20-30 to 122 and the engine wants to stall. i have replaced the iac valve and problem still exists. i have also ... |
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| 1999 Chevrolet K1500 Suburban 5.7L A/C System VIN: 3GKEC16RXX Hello iATN this truck has had me going crazy for the past couple of days. We did the complete A/C system about 2 years ago (new a/c compressor, new accumulator, new orifice tube, new condenser, flush a/c lines & front & rear evaporator, new rear expansion valv... |
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| 2003 Chevrolet Trailblazer LS 4.2L engine VIN: 1GNET16S73 This truck came in missing, a quick code read revealed a code P0305. While cranking It sounded like a dead hole. I disabled the ignition and cranked the engine, you can hear that it has no compression on one cylinder. I checked service bulletins for any known ... |
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| 2005 Chevrolet Silverado 2500 HD 6.6L steering VIN: 1GCHK23265 hi guys,customers complaint hard to steer at times when parking.Powersteering pump replaced due to low pressure,steering box was replaced because of creaking noise,noise still there at times.This truck has always had aftermarket rims with 18"mudders.The line p... |
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| 2006 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 4362167165 Received code P0411. Tested Air pump, pump and relay work when commanded on by scanner, great flow at solenoid valve. Solenoid valve relay cliks fine, solenoid was not opening. Repalce soelnoid, test drive, light comes back on same code. Rechecked everthing, e... Trouble codes: P0411 (Air system) |
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| 1998 Pontiac Sunfire SE 2.4L Misfire, MIL Lamp on VIN: 4G2JB32T3W Hi there. I am at my wits end with this car! i am working on a 98 pontiac sunfire with a 2.4l. The engine will missfire at 5000 or higher rpms until it shifts in every gear. It sets a p0303 everytime you exceed 5000 rpm for any length of time. This happens all... Trouble codes: P0303 (Cylinder 3 missfire) |
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| 2001 Pontiac Grand Am SE 3.4L cooling system VIN: 1G2NF12E21 This vehicle's cooling system will work perfectly for a number of miles. All of a sudden, it will start to push coolant out of the surge tank. The lower hose will pound and pulsate when this occures. The temp is about 219 at the time the fault happens and gene... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 Cadillac DeVille Concours 4.6L radio VIN: 1G6KF5496V i decied to go down each wire on the bcm what i found was yellow wire pin 10 should only be hot off or run wiggle ign key power would go on and off traced wire to ign switch found switch burnt and terminals touching when wiggle the key this was the cause of th... |
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| 1988 Chevrolet P30 7.4L Radiator VIN: 1GBKP37W4J ITS OUT!!!Thanks to all the replyed, William from NY had the right idea, but I was able to remove it without getting to cutting anything. All I can say is, that if one of these things shows up on your doorstep, be prepared to spend about 8 hours getting crap ... |
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| 2003 Chevrolet Malibu 3.1L gauges VIN: 1G1ND52J53 thanks to all replaced ing switch did not change the key switch. cust stated that was changed about 6 weeks ago thanks again |
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| 2004 Chevrolet Silverado 3500 6.6L No Start, Stall Well, it's been gone long enough to call it a fix. After pulling the tank and getting fresh diesel in it I had hooked up some clear tubing between the FICM and Filter inlet, and between the filter outlet to the tube where the test port is to watch forair. I h... Trouble codes: P0401 (EGR flow insufficient), P0404 (EGR open position performance). |
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| 2005 Chevrolet Silverado 2500 HD 6.6L Cooling System VIN: 1GTHK29225 I have not had the opportunity to go any further with this vehicle yet. The customer wants to save money for the repair. He is a contractor and work has been slow. The replies that were sent in and the emails were very helpful. I hope to get this unit back wi... |
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| 2006 Chevrolet C4500 Kodiak C4E042 6.6L Sterring Box VIN: 1GBE4V1246 I tink I may have inadvertantly left some info out, these rigs have a links air suspension on them the ride heighth was set at 9.5 inches and after speaking with nthe engineers that designed this junk system, the ride hieghth needs to be 11 inches therefore pu... |
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| 2006 Chevrolet Colorado LS 2.8L Low speed activation VIN: 1GCCS14816 Most of you were correct about a problem with the hub. We scoped the sensor again, and there was one spot where regularly the signal would drop out. After replacement of the hub, the low speed activation ceased. Thanks to all. |
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| 2005 GMC Yukon SLE 5.3L compresor clutch VIN: 1GKEK13T95 as noted i wanted to make sure to isolate failure. the system had never been worked on until clutch failed. system works fine and i will look into re-flash. the best info. was from 4 seasons tech. and that this compressor is not variable and cycles through l... |
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| 2005 GMC Sierra 2500 HD 6.6L MIL Lamp on VIN: 1GTHK232X5 Thanks to all of the help I received with this problem. As it turned out the EGR cooler was plugged and it needed a reflash for the ECM. Trouble codes: P0101. |
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| 1994 Other GM Commodore VR 3.8L Poor Idle Quality, Hesitation, Flat spot off idle VIN: 6HVRK19HRL Thanks to all those who took time to post replies to my initial help request. At this stage we have not got to the bottom of what is causing this hesitation. I only get 5-6 seconds per day when the hesitation occurs (very limited testing time) and the customer... |
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