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Professional Automotive Repair Technical Discussions for August 29, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1998 Chevrolet K2500 Suburban 7.4L Poor Fuel Economy, hard start VIN: 3GNGK26J0W This is my personal vehicle. It figures it's the one I can't seem to fix. The problem is I have a hard start after driving or after a heat soak. Fuel seems to be leaking into the intake, confirmed this by pulling the upper intake off and leaving the fuel rail ... |
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| 2000 Chevrolet Tahoe LT 5.3L compressor VIN: 1GNEK13T1Y I want to thank everyone ahead time for your help. I am working on a 2000 Tahoe with a 5.3l that came into our shop complaining they had no A/C. Our first check show that it had no fan belt for the A/C. We install new belt test system and did a complete rechar... |
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| 2003 Chevrolet Monte Carlo SS 3.8L battery VIN: 2G1WX12K73 hi, i have a problem that i am stuck on. i perfored a parasitic drain test on the battery with my dvom and found a 1.8amp draw on the battery. so, i traced down the wiring diagrams and started unplugging things on that circuit. in the radio circuit i unplugge... |
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| 2003 Chevrolet Tahoe LT 5.3L tensioner VIN: 1GNEK13Z53 complaint is terrible noise from a/c tensioner and belt on accel. a/c works well and pressures are normal when rad.clutch fan kicks in.startup pressures are a little high-50-60/275-325 at 90 deg.ambient but come right down to normal as clutch fan engages.compr... |
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| 2004 Chevrolet Silverado 2500 HD 6.6L fuel pump VIN: 1GCHK23244 this ruck keeps loosing prime between filter and pump when hot. was previously mis-fueled with gasoline. added check valve ahead of fuel filter due to known leaking check valves in filter housing. starts fine cold but must prime if shut down for 15 min. when h... |
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| 2005 Chevrolet Avalanche 1500 LT 5.3L heater/AC VIN: 3GNEK12ZX5 Vehicle has Dual Climate control, driver side blows "hot" air only and the passenger side can be controlled with the vehicle controls. Driverside blows cool air for thirty seconds or so, then goes to wide open hot. Vehicle has been sitting for roughly 2 months... |
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| 1984 GMC C1500 High Sierra 4.1L Poor Idle Quality, Cuts out, Stall VIN: 2GTCC14D3E The carb was rebuilt do to flooding upon acceleration. after we go the truck going again everything seemed to of been working fine while running in the shop.but now when i either go down hill or come to a stop the truck stalls immidiatly. if the throttle is he... |
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| 1990 GMC K1500 Sierra SLE 5.7L cooling system VIN: 1GTDK14K2L This truck is getting me crazy, I have replace 2 different premiun long blocks, 4 different thermostats, 160, 180, and 190 degrees, also overheats with out thermostat, new water pump, new fan clutch twice, new radiator, ECM and laser thermometer reads only 210... |
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| 2000 Pontiac Montana 3.4L tcc VIN: 1GMDX03E3Y Vehicle came into my shop missing second gear...so i pulled the trans and overhauled it...on the road test after about 4 or 5 miles it started going into lock up right along with the 1-2 shift along with a code PO742...so i did some testing and determined that... |
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| 2000 Saturn LS2 3.0L drivers window VIN: 1G8JW52RXY Guys, We need your help again. We have this Saturn in the shop, its a 2000 Saturn L with a 3.0 V-6. The drivers window and only the drivers window is freaking out. It would take over 500 pulls on the switch to roll it up, and it would take one push to roll it... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 Buick LeSabre Limited 3.8L Display on radio & ac contol VIN: 1G4HR52K0X Customer would not approve any more expense for dianostic purposes, allthough I allready gave her 1 free hour. I do think Tim from Ohio was on the right track when he said the radio controls the vf dim. |
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| 2008 Cadillac cts 3.6L extended crank time VIN: 1G6DT57VX8 Checked spark (ok)- fuel pressure had dropped to -0- overnite. Fuel pressre came up very very slowly - car started w/pressure reached 35 lbs.Pump also seemed to have poor volume I could not find fuel pressure/ volume specs in Alldata or Mitchell, I assume it... |
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| 1989 Chevrolet P20 Step-Van 5.7L Poor Idle Quality, Hesitation, Surge, Stall VIN: 1GBKP32K7K Thanks to everyone who replied. Kristopher from north dakota, alek from ohio and Raymond all suggested to block the pcv vacuum port plug the breather off the valve cover and check for vacuum coming from the pcv hose to eliminate the intake manifold and gasket... |
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| 1991 Chevrolet Camaro Z28 5.7L Poor Idle Quality VIN: 1G1FP2382M Hi and thanks for all the help, well it turns out that most of you were right about ohm testing the injectors. Found #4 at 007 ohm's. We replaced it and all is good. Weird how it benched good. Will know better next time. Thanks again |
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| 2000 Chevrolet Monte Carlo SS 3.8L tcc ? VIN: 2G1WX12K7Y thanks for the replies Lane,Joe,Bruce ,and Jonathan.All said od shaft splines stripped and with other known problems with this trans the wise move would be rebuild/replacement . The owner decided to go with the jasper reman.Thanks again to those who replied. |
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| 2008 Chevrolet Silverado 1500 WT 5.3L 4x4 VIN: 1GCEK19048 well i have not had one of these pickups act up wile i was there to see what was going on all the dirvers have said they never saw the service 4x4 come on they just would not come out of 4x4 one still does it some times we are slowing down now so the use of th... |
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| 1997 GMC K1500 Suburban SLT 5.7L brake pedal VIN: 1GKFK16R3V We tried to bleed the ABS by locking up the wheels on a dirt road. This didn't seem to work like was suggested. We went to a GM dealer and used the Tech 2 to activate the ABS pump and then bled the whole system. There was alot of air that came out of the rear ... |
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| 1998 GMC C1500 Sierra SL 4.3L MIL Lamp on, no start VIN: 1GCFG15W6W Im sorry to take so long but it seems like my response did not go thru the time. But going back to the vehicle. I want to thank everyone. I did learn a valuable lesson. Vehicle wouldnt start but it had spark, fuel, air. The code was 1351 Ignition Coil Control ... Trouble codes: 1351 (Ignition Coil Control Circuit High Voltage.). |
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