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Professional Automotive Repair Technical Discussions for April 24, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1991 Chevrolet V3500 Silverado 6.2L transmission VIN: 1GCHV33N3M Hey guys and girls.I have a question for the tranny techs.Is the 4l80e behind a 454 different than a 4l80e behind a 6.5 diesel?.The reason I'm asking is because when I brought my 5 th wheel trailer home I noticed the trans would down shift right when the diese... |
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| 1993 Chevrolet K1500 Cheyenne 5.7L clutch release fork pivot VIN: 2GCEK19KOP I am in the process of replacing the clutch in this pickup. The clutch release fork was worn out and also wore the pivot or fulcrum. I have a new one from Chevy, but can't figure out how it comes out of the housing. Trans. does not have a separate bell-housing... |
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| 1996 Chevrolet S10 2.2L Excessive Emissions, MIL Lamp on Vehicle runs clean at idle, and high rpm, on startup shortly after going into closed loop.O2 switches fine,injectors vary 1.0ms to 2.3ms,short fuel trim 0.Emissions basically 0. After a few minutes short term starts subtracting fuel gradually to -18%,O2 starts... Trouble codes: P0172 |
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| 2001 Chevrolet Silverado 1500 5.3L continues VIN: 1GTEK19T51 I honestly did not know where to post this. Maybe it will be a no-brainer for you guys and we can put this one to bed. Fuel pump will not turn off. Key on or off. Fuel pump relay removed. Still runs. Have to remove battery cable to turn off. I am sure someon... |
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| 2003 Chevrolet Avalanche 1500 North Face 5.3L suspension VIN: 3GNEK13T43 Customer's original complaint was vibration at highway speeds, 110kph it will vibrate in the front and get particularily worse on a slight turn. After road test and diagnoses; we replaced 2 tie rod ends and had an allignment done, balanced 4 tires and rotated.... |
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| 2004 Chevrolet Silverado 2500 6.0L fuel gage, oil pressure gage VIN: 1GCHK29U34 I have a fuel gage that is inoperative and the oil pressure gage is pegged to max (past numbers) checked connections at sending units on both (fine) checked electrical tests for sending units my next path is to replace instument cluster but wanted a little teh... |
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| 1995 GMC WT-500 7.1L Brake light switch VIN: J8DF5A125S Truck is a GMC WT500 , the Isuzu equivalent would be an FFR Brake lights stuck on. Simple right? Have 2 phone calls into the truck center tech line at $70.00 a whack with incorrect information and wiring diagrams being sent back each time. These are the only ... |
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| 2000 GMC Safari SL 4.3L abs VIN: 1GKEL19W8Y abs light comes on when vech is started and stays on got a co 265 code ebsm relay motor circut, this vech. my wife drives what is co 265 i havent found any relay yet is there one and what if any speed sensor is for the rear wheels |
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| 2002 Oldsmobile Bravada 4.2L vehicle binds in reverse VIN: 1GHDT13S52 system is awd smart trak system, no codes at this time affter replacement of halfshaft and bearing, vehicle now binds in reverse, reason replaceent of [...], bearing was bad. has anyone experienced this particular issue before? |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 Cadillac Seville STS 4.6L No Start, MIL Lamp on VIN: 1G6KY5490X Hi, I would like to thank everyone who replied to my request. Well i found the problem today, it was the top piece of the old MAF sensor stuck in the housing, so when i put the new one in, there was no air passing it, that is why the vehicle won't start with t... Trouble codes: P0102, P0101. |
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| 1985 Chevrolet El Camino 5.0L Hesitation VIN: 3GCCW80HFS Thank you very much for the 27 replies to my post. All were very imformative and helped me greatly. I started by repositioning the distributor because although it wasn't off a tooth, it just didn't look correct. I set the base timing to 10 deg.btdc then adjust... |
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| 2000 Chevrolet Silverado 1500 5.3L transfer case VIN: 2GCEK1975Y Thanks to Chris, Daniel, Ben, and Randy. The encoder motor fixed my problem. Thanks for the 4x4 info. IATN is great! |
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| 2006 Chevrolet Monte Carlo LT 3.5L Remote Keyless Entry VIN: 2G1WM15K76 Thanks for all the replies, it does appear to be the reciever unit and associated parts. I'm talking to GM about a "Good Will" repair. |
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| 1994 GMC Sonoma SLE 4.3L No Start, Surge, Cuts out VIN: 1GTDT19W8R Well guys i must thank all of you for the help. After testing of all components you have all listed it turns out that the ignition module was giving an intermittent spark with a slight miss at high rpm's. Changed it out and the truck runs perfect. Thanks ag... |
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| 1997 GMC K2500 Sierra SL 6.5L push rod VIN: 1GTGK24F3V ACTUALLY WE ARE IN THE PROCESS OF REPAIRING TRUCK.REMOVED HEADS AND FOUND #2 INTAKE VAVE BENT AND SMALL PIECES OF METAL EMBEDDED IN TOP OF PISTON.AT THIS POINT WE HAVE NOT LOCATED THE ORIGIN OF THE METAL BUT ALL THE PRECHAMBERS ARE CRACKED AND MIGHT BE FROM TH... |
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| 1990 Pontiac Grand Prix LE 3.1L low fuel lamp VIN: 1G2WJ54TXL Thanks to all that replied- the general consensus is its the instrument panel. We will disassemble the cluster and remove the bulb for the fix. Thanks for the speedy replies. |
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| 2002 Saturn Vue 3.0L ABS unwarranted activation VIN: 5GZCZ63BX2 Thanks for all the help, folks! I'm surprised I have not run into another vehicle with the scanner reading error like this one, but it can really throw you way off course. Thanks for all the advice, I tested the ac voltage at all of the sensors and the LF was ... |
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| 2003 Saturn Vue 3.0L Misfire, MIL Lamp on VIN: 5GZCZ63B83 Sorry I took so long to post a fix, but I was waiting to hear from the customer after he got his car back from the dealer. Well, I got alot of great replies and was leaning towards the timing belt off a tooth. I did not have the special tools required to do ... Trouble codes: P0300, P0301 (1 Cylinder Miss), P0303 (3 Cylinder Miss), P0305 (5 Cylinder Miss). |
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