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Professional Automotive Repair Technical Discussions for August 18, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2000 Buick LeSabre Custom 3.8L Rh Heat/Cool VIN: 1G4HR54K4Y This car refuses to be fixed !! I always have heat on the rh side. Imo the rh blend door is too stiff...I need a plier to turn it. Also, there is no response from the rh blend door actuator, it never moves. I am using OD wiring diagrams, but I think they conta... |
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| 1997 Cadillac DeVille 4.6L All Systems On The Serial Line VIN: 1G6KD54Y7V My brother in law bought this mess hoping to get a cheap caddy, I beg to differ. He brought it to my and wanted me to check the MIL light. Moments after I get it in the bay the dash lights up and ever light that could light did. CEL, ABS, Air bag, and the Prin... |
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| 1985 Chevrolet Camaro Z28 Iroc-Z 5.0L Excessive Emissions, Poor Idle Quality VIN: 1G1FP87FXF Thank you in advance i have been working on this car on and off for 2 weeks. I have replaced the computer and the mass air flow both 2 times because of the injecter pulse at idle it is at 10 to 14 at idle and is just pooring in the fuel if i back the idle scre... Trouble codes: 43 |
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| 1998 Chevrolet C1500 Silverado 5.7L No Start VIN: 1GTEC19R7W Hello, I hope somebody has a good reason for this vehicle doing this. This truck had the fuel pump replaced at another shop 6 months ago. Approx. 2 months ago it came here and with a no start condition. I diagnosed it as the fuel pump relay, it started and lef... |
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| 2001 Chevrolet Express 3500 5.7L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on, Engine smoke VIN: 1GBHG31R31 Customer complaint of a shake after start up in the morning - check engine lamp was on - customer stated engine would smoke a lot -- found a P0300 random misfire code - I started the truck and it ran smooth, but as it warmed up - it ran rougher and rougher - c... Trouble codes: P0300 (Random misfire) |
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| 2003 Chevrolet Suburban 1500 LT 5.3L transfer case VIN: 1GNFK16243 to start out with we replaced the transfer case for a chain popping noise under load, with a used transfer case. does any one know if the front drive shaft should be moving in two wheel drive, with wheels off the ground? we have a ticking noise when front driv... |
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| 2004 Chevrolet Tahoe LS 4.8L MIL Lamp on VIN: 1GNEC13V64 Truck runs fine no driveailty issues execpt mil light. Trouble codes when light/medium throttle. Checked air flow sensor, map sensor, throttle actuator, smoked intake and air duck for leaks, exhaust for restriction below 2lbs. Cruise, pulled exhaust and test d... Trouble codes: P0101 (Maf sensor corulation) |
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| 2006 Chevrolet Silverado 2500 HD LS 6.0L Brake Pedal VIN: 1GCHK24U16 Old customer picked up this 06 truck used from a local dealer. He was backing truck out of garage and brake pedal went extremely low and steering "locked". It has never happened again but he is very concerned that this symptom will occur again when he is pulli... |
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| 1997 GMC C1500 Sierra SLT 5.7L Fuel Pump VIN: 1GTEK19R0V Fuel pump wires melting inside tank and at fuse block,was wondering if maybe the fuel pod is drawing too much amperage |
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| 1992 Oldsmobile Bravada 4.3L Stall, stall in gear VIN: 1GHDT13W7N Hello, we have a 92 Bravada that I need your help with. The Veh has been in storage for 3 years after it died ie -start and stall. cust has been attempting to fix it himself during the last 3 years, so now its in my shop. I Verified start and stall, replaced I... |
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| 2003 Saturn Vue 3.0L Coolant VIN: 5GZCZ63B03 Obviously something catastrophic has happened, probably still the same thing as last time. We used Felpro head gaskets with the new blue coating (supposed to be better). I'm thinking either one head (or both) or engine block, has a crack between the oil pressu... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1998 Buick LeSabre Limited 3.8L 1st gear VIN: 1G4HP52K6W Hellow techs, that 98 leSabre is good according to the owner's feed-back. They say it may have done it once in the last two weeks but even so they are happy. For me it is apparent there is an underlying pressure problem after this thing gets completely hot. Bu... |
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| 1991 Cadillac DeVille 4.9L Compressor Relief Valve VIN: 1G6CD53B6M First of all, I want to thank everyone for all of your help, With both the chat room and the open request. Let this be a lesson to me! If repairing a previous retro-fit and the compressor went bad internally, contaminating the system, replace the entire sys... |
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| 1999 Chevrolet Corvette 5.7L Excessive Emissions, MIL Lamp on VIN: 1G1YY32G8X sorry for the delay just wanted to make sure the car stayed gone this time. I Want to say thank you to all who replied especially tad and Avanish who explained that the pcm commands rich when the test is run. that is why the o2's seemed to be going the wrong w... Trouble codes: P0410 (Secondary air injection system fault), P1415 (Air system fault bank 1), P1416 (Air system fault bank 2). |
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| 2000 Chevrolet Corvette 5.7L No Crank VIN: 1G1YY32G9Y thanks for the help everyone! it has been a bit of a hassel to get another key being the registered owner lives in arizona. by having another key made and programed solved this problem. thanks again. |
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| 2005 Chevrolet Silverado 2500 HD LS 6.0L oil pressure VIN: 1GCHC24U65 Thanks to all that replied.Removed oil pan and front cover and found no sludge or damage.Some metal flakes in oil drained out.Replaced oil pump and o'ring.The oil pick up tube seemed loose before replacing the o'ring...firmer afterwards.Went back together and ... |
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| 1999 GMC Jimmy SLE 4.3L broken torsion bar VIN: 1GKDT13W2X Well i guess i made this a bigger deal than it was. The hardest part was getting the bar out cause it was rusted and rotted in there. With the help of a torch and some big hammers it came out. Putting the new one in was a little tricky and had to do some pryin... |
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| 2002 GMC Envoy SLT 4.2L electric windows, gauges VIN: 1GKDT13S52 THE vehicle is FIXED, Jay [...] is the winner this time, said to check for moisture under carpet. we pulled up sill plates on left side and saw a little moisture in the channel where the wire harness runs, moved harness and rear wiper moved, opened harnes... |
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| 2007 GMC Yukon Denali 6.2L no crank VIN: 1GKFK66887 Well we got this up and running, as far as the no communication, found under the under hood fuse block there are 2 big junction block connectors one of them was full of what looked like water, cleaned connector then i had communication with all modules on v... |
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