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Professional Automotive Repair Technical Discussions for December 6, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Cadillac DeVille 4.9L ride control VIN: 1G6KD52B2S has service ride control light in dash coming on. cannot read any codes. is there a way to check what code or why the light is on. |
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| 2007 Cadillac DTS 4.6L Drive-axles VIN: 1G6KD57Y77 We are having a problem diagnosing a slight shake during high speed acceleration and deceleration. This was occurring before wheels and tires were changed and is still happening now. Tires were rebalanced to be sure they aren't the cause. The obvious thought i... |
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| 2000 Chevrolet Malibu 3.1L Cooling Systems VIN: 1G1ND52J0Y Hello all and thanks in advance for any help you can provide me with this car. Customer brought car to me with complaint of coolant loss. they originally thought that they were not getting all the air out of the system, they said that it would be ok for a few ... |
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| 2000 Chevrolet Astro 4.3L Surge, Misfire VIN: 1GNEL19W2Y Hey guys, thanks in advance for your help. This Astro van barely started this morning, cold engine. When it did it was skipping really bad (felt like a bad dist cap). That's what I was going to go for 1st. but after it ran for a minute or so, the idle smoothed... |
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| 2002 Chevrolet Suburban 1500 LS 5.3L power steering assist VIN: 1GNFK16T92 Original complaint- No power sterring assist. Determined that power steering pump shaft broken. Installed Reman A1 Cardone pump and EVO update (bypass kit) from the dealer and flushed system. Vehicle returned a few weeks later, with intermittent loss of power ... |
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| 2003 Chevrolet Impala LS 3.8L Surge, Stall, Misfire VIN: 2G1WH55K03 ok, where to begin on this one, this is one of thoes that makes u wanna pull your hair out. but this vehicle has came in with an intermittant no start/ rough idle concern...it will start right up but after you drive it for 30 mins or so and get it nice and hot... |
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| 2003 Chevrolet Suburban 2500 LS 6.0L MIL Lamp on VIN: 3GNGC26U53 At idle the long term trim is 0 to 2. The O2 sensors cycle rich and lean correctly. With my Genisys reading long term trim on a test drive, the LT trim goes up to 25 on both banks after accelerating for 4 seconds. It goes back down when you stop accelerating t... Trouble codes: P0101 (Maf), P0171 (Lean long term fuel trim), P0174 (Lean Long term fuel trim) |
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| 2004 Chevrolet Suburban 1500 LS 5.3L Transfer Case VIN: 3GNFK16Z94 Hello fellow Techs,This truck (With a 246 transfer case)came in with a complaint that it was difficult to go into 2WD.This started when the customer put her in 4 high,then tried to go back to 2WD,the 2wd light will just blink a few times then it goes back to 4... |
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| 2007 Chevrolet Express 1500 4.3L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1GCFG15X37 vehicle came in with rough run/stalling condition. found multiple misfire codes, pulled plugs and found worn and fuel soaked. replaced full tune, and noticed induction boot was off just before throttle body. reconnected tightly, and attempted to start vehicle.... Trouble codes: P0300, P0301, P0302, P0304 |
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| 2008 Chevrolet Colorado WT 2.9L MIL Lamp on VIN: 1GCCS14998 The code usually sets on initial start-up. Initially the vehicle actually ran bad on stat-up. The freeze frame shows the code setting at idle. The code represents a crankshaft position -Exhaust camshaft position correlation. I checked for TSB but did not see a... Trouble codes: P0017 (Crankshaft position - exhaust camshaft position correlation) |
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| 2007 GMC Yukon XL 1500 Denali 6.2L Suspension VIN: 1GKFK668X7 I have a 07 gmc denali with a thumping noise in front end on left front. Sounds like sway bar bushings or links. Removed sway bar completely. Still makes noise. Replaced lower control arm. With chassis ears the noise is loudest on the lower control arm. Replac... |
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| 2006 Hummer H3 3.5L Starting VIN: 5GTDN13686 2006 Hummer H3 with a intermittent no crank condition. Recharged battery with GR8 battery station and battery accepts full charge and passes all test. Ran 30 hour draw test and recorded a maximum draw of 23.40 miliamps with a average draw of 10.98 miliamps, ba... |
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| 2005 Pontiac Vibe 1.8L starter VIN: 5Y2SL63885 start in park everything normal if you go through neutral slowly, starter engages,releases as soon as you move of neutral.If you start engine in neutral, car starts ok but starter engages again with engine running ..if you shift from reverse to drive swiftly y... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2005 Buick Rendezvous CXL 3.4L Cruise VIN: 3G5DB03E05 We sent this one back to the dealer and hoped they could come up with the fix, they were supposed to call us after an hour but something got lost with the authorization and they told me they were 9 hours deep into the vehicle and had not figured it out. They ... |
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| 1999 Cadillac DeVille 4.6L Interior VIN: 1G6KD54Y3X Well this headache is still not right. I did pull the relays in the front left wheel well area and a couple of them were pretty corroded so I replaced all of them and now the wipers work normally (used to be able to turn them on when the car is off) but every... |
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| 2006 Chevrolet Trailblazer LT 4.2L wot hesitation VIN: 1GNDT13S76 thanks for the replies customer took vehicle and parked it until she can get through the holidays and save some money to tear into trans Trouble codes: P0171, P0300, P0506, P1400. |
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| 1994 GMC Safari SLX 4.3L No Start, Poor Idle Quality VIN: 1GDDL19W8R IATN members are the best ever!!!Just about every one of you nailed it. I guess what got me on the wrong track was the old "it didn't do this before you..." The owner said they never had this problem before. I was thinking due to the thermo-nuclear meltdown of... |
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| 2005 GMC Jimmy SLS 4.3L o2 sensors VIN: 1GKCT18X05 rechecked all wiring and replaced the 02 sensors. they didnt know if thats why they were replaced all they knew was that they were the problem in the first place |
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