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Professional Automotive Repair Technical Discussions for September 12, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Buick LeSabre Limited 3.8L Unknown VIN: 1G4HR52L7S This vehicle came in with the customer complaining of a snapping noise coming from the left front when he drivers over 40km/h. We road tested the vehicle and confirmed the noise, then tried driving it on the hoist but could not reproduce it. It only makes the ... |
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| 2001 Cadillac DeVille 4.6L mode door VIN: 1G6KD54YX1 This car came in with a complaint of a clicking noise in the dash. We scanned the computer and found a trouble code B0249 ( heat- defrost - AC door range error). When you start the car the clicking noise will start, if you change the the mode from floor to de... |
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| 2003 Cadillac CTS 3.2L Excessive Emissions, Burns Oil VIN: 1G6DM57N53 Hello again, Customer complains that this Cadillac has smoke coming from the exhaust, at times when accelerating. I found when I was doing a regular service, that inside the air cleaner snorkel there was all sorts of engine oil. If you remember how on this mod... |
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| 1969 Chevrolet C-30 (?) 350CID cab VIN: CE53P82684 I need to find a replacement cab for this beast. It's the heavy duty frame with reinforced suspension. The owner seldom uses it, but when he needs it it's ideally suited to the task. I'm hoping folks here can tell me what cabs will fit (direct, or with relati... |
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| 1988 Chevrolet S10 2.5L No Start VIN: 1GCBS14E3J Vehicle has been towed in twice for a no start. Both times we have had it in it has started every time. Checked fuel pressure, it is around 10-12 psi, but the needle bounces around between that. I am not sure if that is cause for concern. Have the hall effect ... |
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| 1996 Chevrolet Monte Carlo Z34 3.4L Poor Idle Quality, Hesitation, Stall, Misfire VIN: 2G1WX12X5T Car came in to shop with intermittent problem, seems to do after warmed up well. Car will drive fine but occassionally in city driving will come up to traffic light start to miss with tach jumping erratically, cough, belch and will eventually accel out of prob... |
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| 2000 Chevrolet Cavalier LS 2.2L No Start VIN: 1G1JF5248Y I have a 2000 Cavalier LS Vin.# [...] 83621 miles P/W & Locks; Theft System; 2.2L auto and track. Cranks but would not start Towed in – no fuel –let sit and went out & car started and quit as soon as we entered shop. Would not restart replaced fuel... Trouble codes: U1000 (Class 2 serial communication problem) |
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| 2003 Chevrolet Impala 3.4L tpms light VIN: 2G1WF55E23 i replaced body control module to fix security light flashing and the lights would randomly flash on and off while they were turned on. costomer took car to dealer so they could install vin into new contoler to unlock radio. they then changed the tires. after ... |
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| 1996 GMC C2500 Sierra SL 6.5L Cuts out, Stall VIN: 1GTGC29FOT Truck cam into shop with a stalling problem. Scan computer system and had a boost sensor code.. Cleared system and replaced glow plugs and filters as requested. every once in a a while the truck would stall and after a minute or two would restart. We realized ... |
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| 2001 GMC Yukon XL 1500 SLT 5.3L No rev above 2500 VIN: 1GKFK16T11 This vehicle is driving me nuts. Customer brought in on trailer. Customer stated vehicle started losing power and backfiring through the intake under load such as going up a hill. They pumped the accelerator and managed to get 5 more miles when the vehicle sta... |
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| 1988 Pontiac Sunbird SE 2.0L Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy VIN: 1G2JD11K2J Hi: Vehicle originally had a rapidly fluctuating fuel pressure of 9-13 psi about 4 times per second with a block learn of 145 at all RPM, lean exhaust, hesitation, no acceleration, tendency to backfire. Pressure regulator/spring also fluctuating @ 4 HZ, in s... |
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| 2001 Pontiac Grand Am SE 3.4L Chime, Remote door locks, Security system VIN: 1G2NF52E61 The key in ignition chime will not shut off. The remote door locks won't work. The security system intermitantly needs to be relearned, and the interior lights stay on. This is a side job so I have not been able get the scanner out of the shop to scan it. I am... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2000 Cadillac DeVille DTS 4.6L dash cluster VIN: 1G6KF5791Y As always, you guys got it right the first time. The car came back this morning, we disconnected the battery cables and held them together for a minute, hooked them back up and all is good. Thanks again, Kenny [...] |
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| 2003 Cadillac DeVille DHS 4.6L 4th Gear VIN: 1G6KE57Y93 The problem has been found. Decided to remove the pan and found that the oil pan appeared to have been bent once then straightened out. Behind the bent section of the pan was a hairline crack in the valve body which was bleeding off hydraulic pressure to the 4... |
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| 1993 Chevrolet C1500 Cheyenne 4.3L Stall VIN: 1GCEC14Z9P Thanks for all the replies that I had recieved, Thanks to my fuel pressure gauge giving me incorrect readings this truck also had a faulty fuel pump my gauge was reading 10psi when in fact it only had 5, I reinstalled old distributer to see if it actually was ... |
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| 1994 Chevrolet S10 4.3L engine VIN: 1GCCS14Z2S FINALLY DONE i WANT TO THANK EVERYONE THAT RESPONDED ON HAVING TO PULL THE ENGINE OUT OF THE TRUCK TO CHANGE THE OIL PAN YOU WERE ALL CORRECT AND THIS IS NOT A JOB i'M GONNA DO AGAIN. THE GROUNDS TO THE BACK OF THE HEAD ARE ALMOST IMPOSSIBLE TO GET TO WITH THE... |
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| 1996 Chevrolet Camaro 3.8L Hesitation, Cuts out, Misfire VIN: 2G1FP22V9T guys thank you for all your help customer brougth car back to ower shop today it was a simple thing the wire on number 5 cylinder has a metal cap over it and was not allowing the wire to go on all the way the last tech that did the tune up most of some how dam... Trouble codes: P0300. |
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| 1998 Chevrolet Express 3500 5.7L No Start VIN: 1GCHG35RXW Well this van is fixed. Corey from Idaho put me in the right direction. He said he has had to add spacers to the CKP. In our case we had to file the sensor to allow the CKP to sit closer to the reluctor. One thing I did was with KOEO I waved a screw driver acr... Trouble codes: P0336 (Crank sensor circuit). |
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| 1998 Chevrolet S10 2.2L brake shift interlock VIN: 1GCCS1448W Thanks to all 4 that replied, there were two votes for the ignition switch, one reply said that maybe the customer was not getting it into park all the way, and the other one said that maybe it was not getting power from the brake switch. I ended up replacing ... |
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| 1999 Chevrolet Astro 4.3L No Start, Cuts out VIN: 1GNDM19W8X seems like it is finaly fixed. i replaced the ignition switch wich i replaced it a little over 2 years ago, seems like it had high ressistans in one wire. the part was replaced before thats y i didnt replaced it first, it was oryginal from dealer, who would ha... Trouble codes: P1626 (loss of serial communication with VTD), P1631 (theft deterrent system pasword incorrect). |
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| 2005 Chevrolet Silverado 1500 5.3L wheels VIN: 1GCEK14T15 Thanks Techs!The "Nitro "Tires were NOT directional,ended up the Rims were of a Pacer,brand with a 4 1/4" center and American Wheels(1-[...] tech line) said to use a Hub Centric Ring"(like bunch of you did,mention) so it took the 4 1/4" down to a 3.075... |
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| 1996 GMC K2500 Sierra SL 6.5L no start VIN: 1GTK24F2WZ well guys, thanks for the help. Ended up being a ground problem. I was losing my ground at the starter when I'd try to start it. Ran an additional ground wire and fixed the problem. Thanks to all who replied. |
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| 1992 Oldsmobile 88 Royale LS 3.8L No Start, Misfire VIN: 1G3HY53L7N I would like to claim that my vast intellect helped to repair this vehicle, but it was pretty much dumb luck. I want to thank you all for confirming that these engines all have the same firing order - my manual for the new motor was incorrect. I started to r... |
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| 2004 Saturn Ion-2 2.2L MIL Lamp on VIN: 1G8AN12F34 This one is fixed. Pete nailed it with the FTP sensor, it was working but apparently not in the expected PCM range it was looking for. Two cold starts in one day shut the light off. I put a vent solonoid in it also, as William suggested since it was cheap so t... Trouble codes: P0442 (evap small leak detected). |
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