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Professional Automotive Repair Technical Discussions for August 22, 2014 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2006 Buick Lucerne CXS 4.6L drivers front window VIN: 1G4HE57Y16 hi car came in with window inop. I then pulled the door panel to test for power and grounds when I back probe the wires going to the motor I get 6 volts on each of them and a ground is sent from the switch when actuated. I replaced the window motor just in ca... |
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| 1998 Chevrolet S10 LS 2.2L No power VIN: 1GCCS1941W Customer was driving down highway and truck began to lose power. He barely got it home. Engine had begun to knock in bottom end. Replaced engine with used know good one and same problem of low power is still there. Feels like lack of ignition timing, timing pi... |
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| 2005 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 1G1JC52F75 this cavalier has a reoccureing evap code for large leak, simple right?, hooked up my smoke machine, found nothing, can cycle both the vent and purge valves with scanner to produce leaks then close them to shut the system tight, fuel tank pressure is reading g... |
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| 2007 Chevrolet Tahoe LTZ 5.3L abs VIN: 1GNFK13037 truck came in with the abs and stability warning lights on. code c0035 stored in memory , found a worn out l/f hub and bearing. replaced hub assembly and a worn out upper ball joint. cleared codes and rechecked . all good, returned to customer. abs and stabili... |
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| 2001 GMC Sierra 1500 SL 4.3L Misfire, MIL Lamp on VIN: 1GTEC14W11 hi every body, I have this gmc truck coming from other shop, they replaced all the parts mentioned before, misfire on cylinders 1 & 4 still present, checked compression on all cylinders, there are 145 psi on each, also run a leak down test, all cylinders are u... Trouble codes: P0300, P0301, P0304 |
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| 1985 Oldsmobile Cutlass Ciera LS 2.5L Drivability VIN: 1G3AJ19RXF Hi, I hope someone can offer help with this problem child car. 1985 Olds Cutlass Ciera 2.5L, came in with 13 O2 Sensor, 42 Electronic Spark Timing, and 35 Idle Air Control codes. The is very high, 2200 to 2400 RPM. Cleared codes and the only one to come back i... |
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| 2000 Oldsmobile Intrigue GLS 3.5L affected item unknown VIN: 1G3WX52H6Y HELP!!! This vehicle is driving me crazy. This is the second time that this vehicle is in for the same noise. Customer complains that when they are backing up with the steering wheel turned to either side, but not to a full stop, there is a loud clunk or metal... |
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| 2002 Pontiac Aztek 3.4L fuel control VIN: 3G7DA03E02 cust called in a couple days earlier and stated that headlight stay on /then was towed in stating that it died going down the road . codes u1016,u1040,b1328,b1440,b2961 found a used bcm same part # installed but now have a u1000 no communication with bcm can a... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1996 Chevrolet K2500 Cheyenne 5.7L No Start, Stall VIN: 1GCGK24R4T this is fixed i found if i unpluged the tps it would start but tps was good so i checked 5v and it would spike .5v when it started so i looked what else used the same 5v and it was the map so replaced map all is good thanks for all replies |
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| 2005 Chevrolet Trailblazer LS 4.2L P/S pump VIN: 1GNET16SX5 Flushed system again. Then Replaced the rack and pinion assy.Truck is fixed. |
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| 2003 GMC Sierra 2500 HD SLE 6.6L Excessive Emissions, No Start VIN: 1GTHK29153 Thank you all for the info. I installed 8 new bosch injectors. While in there, I resealed the cups and adjusted valve lash. The truck runs great, and oddly, I no longer see the pressure control solenoid "hangup" during down command. I dunno what was happening ... |
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| 2004 GMC Sierra 1500 SLE 5.3L Mechanical VIN: 2GTEK19T64 FIRST OFF THANKS TO ALL WHO HELPED I FOUND A BROKEN WIRE IN THE HARNESS REPAIRED AND ALLSET |
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| 2005 GMC Savana 2500 4.8L 1-2 Shift, 2-3 Shift, Converter Clutch VIN: 1GDGG25V65 Thanks to all that replied. We replaced the wiring harness and the vehicle drives fine and does not recode. |
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| 2006 GMC Sierra 1500 WT 5.3L Rear Main Seal VIN: 2GTEK19B56 Thank you all who took time to response. Last night we removed the transmission and started it up. turns out the plate was cracked just above the rear main seal and it would pour right down onto the rear main seal. With the transmission in place you can not se... |
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