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Prev Professional Automotive Repair Technical Discussions for June 6, 2011
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Open Help Requests for GM
Help Request Answers
2003 Cadillac CTS 3.2L caliper? VIN: 1G6DM57N83
Have a 2003 Cadillac CTS automatic that is pulling under braking and we cannot diagnose it. We purchased the car from New York through Manheim's online sale, ran through the shop, needed minimal repair (axle seals, tires, blades, air filter, and oxygen sensor...
2000 Chevrolet Suburban 1500 5.3L Fuel Gauge VIN: 3GNFK16TOY
Guud morning i have a 2000 suburban here with fuel gauge inoperative and [...] fuel level sensor circuit high voltage. Tech 2 data shows around 2 volts fuel level at 75%, but fuel gauge does not work stuck at empty, data also shows what gauge should have a...
2002 Chevrolet Cavalier 2.2L Electronic VIN: 1G1JC12412
2002 cavalier came in with no a/c.found compressor leaking &leaking pressure sensor.replaced all a/c parts & charged system.now with engine running & a/c on,compressor clicks on & off rapidly & cooling fan does the same for about a minute then stops working at...
2002 Chevrolet Venture LS 3.4L 5v map and tps VIN: 1GNDX03E82
Last time in we replaced tps and map with known good parts to test-no help. Opened up the pcm to inspect for corrosion-none found. Suspected cheap plug wires so i shielded the area they pass by the engine harness-no help. Unplugged the alternator-no help. Then... Trouble codes: P1106 (Map hi v), P1635 (5v ref), P1860 (Tcc pwm ckt)
2003 Chevrolet Tahoe Z71 5.3L acuator VIN: 1GNEK13283
any help woould be apprieciated i have an 03 tahoe only blows out the def and floor i had done ac work and an evap core i changed the mode door actuator twice and it still blows out the def and floor i changed module and it didnt help any ideas will be very he...
2005 Chevrolet Silverado 2500 HD 6.6L Excessive Emissions, Misfire VIN: 1GCHK23265
This is a lly duramax that we have worked one once before replaccing 3 three injectors corrected the problem two months ago. the truck smokes very black but has good power but misses. i wanted to post this to get any new directions before i tear the truck apar...
2007 Chevrolet Express 3500 6.0L MIL Lamp on, P0300 VIN: 1GBJG31UX7
We need some help from chevy guys!! ck engine lamp flashes and sets p0300. We cannot 'feel' any misfires but misfires show up on scan tool. Mostly #7, but other cylinders at random will show misfires. We have switched coil,wire, plugs, injector,removed and cle... Trouble codes: P0300 (Engine misfire detected)
1997 GMC K1500 Sierra SLE 6.5L Surge, MIL Lamp on VIN: 1GTGK29F0V
I working on a 97 GMC Pu 6.5 Turbo Diesel that we replaced the injector pump on. My problem is the timing is way off (DES 12 ACT 12) did a offset realern with the Modis but the reading never changes from 5897.70. The pump is set to the same mark as the old one... Trouble codes: P1218, P1216
2006 GMC Sierra 2500 HD SL 6.0L battery light and shift indicator light VIN: 1GDHC24U16
need some help on this 2006 GMC 2500 HD 6.0L , I have Problem with the battery light and shift indicator light stays on with ignition key off or removed form ignition cylinder, it drains out the battery after a few hours, i replaced the ignition switch and key...
2002 Oldsmobile Bravada 4.2L front differential VIN: 1GHDT13502
Hello all I was wondering if anyone had run across a diff. oil leak from the front diff. where the oil pan and gear mate up. We did not have a leak at this point until after replacing the outer seal that was leaking.we did not disturb the 18mm bolts that hold ...
1999 Saturn SL1 1.9L Radiator cooling fan VIN: 1G8ZH5288X
Hello Best and brightest! Have This saturn in the shop, came in for overheating. Temp guage did not seem correct, and cooling fan not cycling. I replaced the coolant temp sensor,to correct what I thought was the problem. Well the fan still does not cycle. Test...

Fixes & Summaries for GM
Fix/Summary Answers
1998 Chevrolet K2500 Silverado 5.7L fuel tank collapses VIN: 1GCGK29R2W
thank you for the help.I put a new tank in the truck.left the cannister disconnected.It had all kinds of dirt in it.customer is coming back this week to finish repair.Had to get him going for the weekend thanx again.
2000 Chevrolet Blazer LS 4.3L compressor VIN: 1GNDT13W0Y
I went into a 2001 blazer in alldata and there was a a/c compressor diagnostic chart, 2000 has all the same color wires. When the truck returned, of course the a/c was working correctly. I did aleast test the power and ground sources. The question I had in the...
2001 Chevrolet Impala 3.8L cooling fans VIN: 2G1WH55K11
ended up being the bcm. replaced it with a used unit and all was fine
2002 Chevrolet Venture 3.4L No Start VIN: 1GNDU03E32
First off I would like to thank each & everyone of you that took the time to help me out. Turns out it was the VTD module as well as the BCM. T tried the VTD first since that was what the majority thought, but it still wouldn't program. I then tried a BCM &... Trouble codes: P1626, U1000.
2006 Saturn Vue 2.2L Cuts out, Stall VIN: 5GZCZ23DX6
Well, I fixed it by MISTAKE! I accidentally left the driver's door open and the key in the on position over the weekend. Obviously the battery was dead-as-a-door-nail (whatever that means) come Monday morning. I charged the battery and now everything works....
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