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Professional Automotive Repair Technical Discussions for May 6, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1999 Cadillac Eldorado ESC 4.6L No Start VIN: 1G6EL12Y2X Hi all. This Eldo came in from another shop they installed a water pump and being the shop owners car he decided to do a little P.M. and change the Alt also. The alternator was defective with a dead short (straight from GM themselves) and upon install shorted ... Trouble codes: P1631 (Password missmatch reprogram ecm), P0630 (b2750) |
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| 1993 Chevrolet K1500 Silverado 5.7L brakes VIN: 2GCEK19K0P Hi all: Problem child is here today. Truck has VERY low brake pedal and is spongy. Will not stop well. We put on brake pads a few months ago with NAPA Premium pads.Rotors,calipers,hoses,etc look good. Rear drum brakes are OK. No brake light on or any codes. I... |
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| 1999 Chevrolet K2500 Suburban LS 5.7L Misfire VIN: 1GNFK16R5X After installation of the engine, noticed a very subtle misfire that sorta felt as though is was drivetrain related. Rechecked everything. After several days, customer agreed to take vehicle with the understanding that hopefully it would get worse and we would... |
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| 2002 Chevrolet Corvette 5.7L Mechanical VIN: 1G1YY22G32 Hi guys i have a 2002 vett with a noise sounding like its coming from in the bell housing it only does it in drive going down the road wont do it in nuetral,reverse,ror in drive with the brake on any one hjave a similar problem before i start tearing it down |
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| 2000 GMC Savana 1500 4.3L No Start VIN: 1GTFG15W7Y This van was towed into our shop the other day for a no start condition. We found the ignition 1 fuse blown. Replaced the fuse, van started and ran fine. Checked for obvious things, wires in affected circuits that may have exposed wire showing. There is alot o... |
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| 2004 GMC Yukon Denali 6.0L abs pump/module VIN: 1GKEK63U64 Hello everyone I have a truck with a abs issue i would like to run by you guys.Ok i have a code c110 that is hard set will not clear.I removed the ebcm from the pump and check for ground and power at the pump connector. Has ground on one side and 11volts on th... |
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| 2001 Oldsmobile Aurora 3.5L starting/pcm power VIN: 1G3GR62H01 very intermittent no start condition, every time the customer brings it here, it will start all day long with no codes, no hiccups, no other indications. Yesterday it refused to start so I headed over to the customers house, finally I could get a bit of a lead... |
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| 2003 Pontiac Grand Am SE 3.4L Cuts out, Stall VIN: 1G2NF52E8C Hello there. This vehicle came in for cutting out and stalling. Fuel pressure is at spec, even when it stalls. I did a fuel injection service and blew out the fuel filter, along with cleaning the mass airflow sensor. I have already checked the crank sensor and... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1995 Buick Skylark Custom 3.1L Lighting VIN: 1G4NV55M4S THERE WAS A LITTLE PLASTIC ROD WITH A METAL END ON IT THAT FITS IN THE THE DOOR LATCH TO TRIGGER THE DOME LIGHTS ON AND OFF AND THE ROD WAS MIA. WAS LATER FOUND IN THE BOTTOM OF THE DOOR AND SNAPED BACK IN AND WORKS GREAT. THANKS TO ALL THAT REPLIED TO ME. |
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| 1995 Chevrolet Blazer 4.3L Hesitation, Surge, Stall VIN: 1GNDT13W8S hello everyone once again iatn is the best tool in the box.every one of the replies i recieved had a possible answer but not everyone read my story of repairs already done and things checked.the cause of fuel starvation-hesitation was a fuel pressure regulator... |
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| 1997 Chevrolet Tahoe LS 5.7L ride quality VIN: 1GNEK13ROW Again, thanks to all. Turned out to be a driveshaft problem. U joint was a little stiff, so we changed it and while the shaft was out ,had it balanced. All is good! Many replies stated tire problems that may not show up on the balancer as well as a reminder to... |
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| 2001 Chevrolet W3500 Tiltmaster W3S042 5.7L brake booster VIN: 4KBB4B17R7 THANK YOU FOR HELP.INFO WAS VERY DETAILED FOR DIAGNOSIS, WE ARE NOT A TRUCK SHOP BUT THIS CUSTOMER WANTED US TO FIX IT, WITH YOUR HELP IT WAS USEFULL. NEW MASTER CYLINDER WAS THE CURE !! |
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| 2001 Chevrolet Silverado 2500 HD 6.6L Hesitation, MIL Lamp on VIN: 1GCHK23111 thanks for all the help, it actually came down to an injection pump. i was just lucky enough to have touched it last. thanks again |
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| 2005 Chevrolet Silverado 2500 HD 6.6L Cooling Systems VIN: 1GCHK23255 Hi,Im pretty confident that this one is fixed George from California and Steward from Texas was right I took egr cooler off and their was traces of antifreeze in it thanks for everybodys input. |
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| 2006 Chevrolet Express 3500 6.6L No Start Much thanks to Peter at MEAtraining.com Isolated pump by supplying clean fuel into pump inlet- unhook pressure regulator. This should cause max pressure at rail. Had no pressure but also had negligible fuel return flow. This pump supplies fuel from pump direct... |
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| 2001 GMC Safari SLE 4.3L starts and dies VIN: 1GKDM19W51 Thanks for all the helpful suggestions; turns out it was the passlock sensor in steering column. We did check for power in the run position that was ok, ALLDATA gave us a test called Antitheft and Alarm Systems: Initial Inspection and Diagnostic Overview - Sys... |
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| 2005 GMC Sierra 2500 HD SLT 6.6L Hesitation, Surge, Cuts out VIN: 1GTHK232XF Well this GMC is fixed and on the road again! Sorry for the delay on this post, the vehicle ran properly once repaired but due to prior contamination I wanted to make sure no other problems arose. Now for the fix: I consulted the customer and found ex... Trouble codes: P1093 (Fuel Rail Pressure Low During Power Enrich), P1094 (Fuel Rail Pressuer Low During Idle or Decel Fuel Cut-Off). |
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| 2004 Hummer H2 6.0L Steering & Brake VIN: 5GRGN23U04 Hello everyone, vehicle is fixed with a bit of a delay. We rechecked all hoses and replaced the power steering pump with a new (OEM) one and everything is working ok. The only suggestion we gave the customer is to not turn the wheel at a dead still. As soon ... |
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| 2002 Saturn L100 2.2L fuel gauge VIN: 1G8JU54F22 the saturn is repaired (crossed fingers). richard e-mailed about plastic tank baffles loose. this vehicles were still secured. glenn , david and joe had suggestions about the harness and its integrity and positioning. after testing and retesting and reposition... |
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