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Professional Automotive Repair Technical Discussions for February 10, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1994 Buick LeSabre Custom 3.8L drive and reverse VIN: 1G4HP52L1R This vehicle will not move when first started cold, no forward or reverse for about 2-3 minutes then transmission engages and everything works ok until it sets for a few hours again. Fluid looks good and is full, have tried adding a little extra fluid, no help... |
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| 2000 Buick LeSabre Custom 3.8L steering VIN: 1G4HP54K9Y This vehicle is our Resource manager's. He has had it to 3 of our other shops in the city and it still has a problem. His complaint is shudder while turning the steering wheel-- hence the bulletin from GM about the parking lot maneuvers (REF#73-32-08;99-02-32-... |
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| 1995 Chevrolet K2500 5.7L hydrauli unit/abs VIN: 1GCK24K9SZ i have a problem and a technical question related to the brake system on this vehicle. problem first, vehicle has very intermittent problem with rear wheels locking up even on light brake application. brakes normally most of the time ,even under heavy braking... |
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| 2000 Chevrolet Blazer LS 4.3L steering VIN: 1GNDT13W6Y replaced lower ball joints, idler arm and pitman arm on this vehicle. after the alignment the vehicle needs to be constantly steered. we tried to increase the caster and toe to the maximum spec which didn't make any difference the front end has been checked fo... |
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| 2002 Chevrolet Silverado 1500 HD LS 6.0L tccm VIN: 1GCGK13UX2 customer came in with vehicle stuck in 4x4. transfer case switch lights not on, (do flash on then off at key up) and a code c0327. our mitchell system only has diagnostics on this system up to year 2000. following diagnostic chart, i tested voltage to encoder ... |
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| 1998 Oldsmobile Intrigue 3.8L Surge VIN: 1G3WH52K2W Customer has been to us several times complaining of what he calls severe idle surge when at stops and in gear. Fuel pressure ok. Wires and plugs were replaced with OE parts. as it originally had a skip. All scanner data normal. No codes or pending codes. We h... |
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| 1999 Oldsmobile Silhouette GL 3.4L ignition VIN: 1GHDX03E0Y i have a very intermittant no start problem for all gm techs. customer complains of no start condition. it has only failed to start for us once. it restarted immediately after so not much tech info gathered. all test done while trying to duplicate complaint ha... |
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| 2000 Oldsmobile Bravada 4.3L No Start VIN: 1GHDT13W2Y for some reason and it never does it for us, this vehicle intermittently will not start. crank but no start. it will be back again and now i have exhausted my resources tracing this thing. thanks help |
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| 1999 Pontiac Montana 3.4L Turn indicators, rear lights VIN: 1GMDX03E7X We've replaced a number of Montana/Silhouette/Venture tail light assemblies in the past for melted ground terminals, but this one is a little different: Customer's original complaint was "ABS light on" but when we started checking it out, we discover the follo... |
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| 1992 Saturn SL 1.9L brake pedal VIN: 1G8ZF5497N hi vehicle came into shop with low pedal rear brakes gone. replaced rear shoes and adjusted and bled. still has low pedal. bled master, bled all wheels still low. non-abs system. not sure how to proceed. is this normal condition for such a high mileage vehicle... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 Buick Century Custom 3.1L Air bags VIN: 2G4WS52M2X I had 13 replies on this, this is a fantastic organization, it's not very often I need help but great to know you guys are out there. The fix was fairly simple, Pat O'Reilly, my Vetronics rep. brought over his Tech two and sure enough all we had to do was go i... |
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| 2000 Buick Century Custom 3.1L blower VIN: 2G4WS52J3Y Received many replies telling me that the Hi-Blower relay was part of the resistor assembly. I got one from my local GM dealer, but the customer has not yet returned. After looking at the part, I'm sure that it will fix the problem Thanks all, RON |
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| 2000 Buick Park Avenue 3.8L Tire pressure monitor VIN: 1G4ACW52K4 Thank you for all the replies. We will need to get the vehicle back in to the shop to do more testing. At that time we will post any information we can come up with. |
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| 2001 Buick Regal LS 3.8L Hesitation, Cuts out, Stall VIN: 2G4WB52KX1 thanks to everyone who replied. we replaced the cat and that fixed all the running problems. as far as trying to do the crank re-learn we could never get it to 5100 rpms which is what the tech 2 needed to see. the guys at the buick place said that we never wou... |
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| 1993 Cadillac Seville STS 4.6L module VIN: 1G6KY5294P Thanks for the replies, The customer declined further investigation. I pulled the fuse for the abs/traction and the vehicle is aleast now driveable. |
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| 2001 Cadillac DeVille 4.6L Misfire Thanks to Ken from Califorina and Stephen from Florida.The rear head gasket was allowing coolant into the rear bank.Cylinders were out of round as well.The complete engine was replaced with a New GM engine under warranty. Thanks again Trouble codes: P0300. |
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| 1993 Chevrolet C2500 Suburban Silverado 7.4L transmitter VIN: 1GNGC26N9P Howdy there folks, Got my pesky transmitter fixed, seems that when I first looked at it and saw several cracks in the solder joints before posting I accidently bridged the output signal to ground when resoldering the cracks. I found this because my 94 Sub with... |
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| 1995 Chevrolet Astro CL 4.3L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 1GNDM19W3S We noticed that the cap and rotor were pretty ugly inside. We then pulled the plugs out and they were the orginal plug at 145000 miles. In need of a tune-up! After doing a tune-up the o2 readings were back to normal at idle. Thanks for all the advice and ideas... Trouble codes: 45 (Rich exhaust). |
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| 1995 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13WXS we replaced the ignition switch on this vehicle. when we got te column apart we found the ignition harness mutilated from aftermarket alarm install and removal. confidence is high that the repair was successful. only time will truly tell but so far so good.tha... |
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| 1996 Chevrolet Monte Carlo Z34 3.4L Mechanical VIN: 2G1WX12X9T Well, I feel pretty dumb, but the misfires were due to plug wires 2 and 4 being switched :-( So vehicle is running decently now and cust is pissed for having checked the timing belt and finding out cyl 2 is low on compression. All is good in the land of Steve.... |
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| 1996 Chevrolet Monte Carlo Z34 3.4L Mechanical VIN: 2G1WX12X6T Thanks to Josh [...] said these are valve benders and to check valve stem height ... |
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| 2000 Chevrolet Silverado 1500 5.3L ABS Module VIN: 2GCEK19TOY Sorry to close this one without a 'Fix'. The vehicle owner will take up his problem with Chevrolet. I received some good replies. Some said to check the connections at the ABS pump motor, located on the left frame rail, under the drivers area. Also check the g... |
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| 2000 Chevrolet W4500 5.7L Blower motor VIN: 4KDC4B1R5Y The truck is fixed. Thanks to Tim, Chris and Jim for your replies. Thanks most of all to Tim who faxed me a wiring diagram. Without it all I could have done was throw parts at this truck which isn't good for anyone. It was an open in the resistor board not let... |
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| 1986 Oldsmobile Toronado Brougham 3.8L blinker switch VIN: 1G3EZ57B8G well, heres what we did. Martin [...] said to match it up with a newer stlye switch and install the old connector on the new switch harness. we just matched the colors on the harnesses and everything worked perfect. the part # is #d6223. this is an a/c delco #... |
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| 1995 Pontiac Grand Am SE 2.3L Heater core VIN: 1C2NE15D6S I removed the ground strap from the heater core as many of you suggested. Iwent to check all grounds to the engine and found 1 ground wire lacking the star washers and it didn't take much to get it loose. we don't have a tool to check gas exhausst in the coola... |
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| 1999 Pontiac Sunfire SE 2.4L overheats VIN: 1G2JB524XX thanks for the responses. the customer did not want to wait any longer so they took it. any how most responses suggested buying a bleeder tool called an air lift for bleeding cooling systems i think i will buy one for future use especially on those cars you kn... |
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