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Prev Professional Automotive Repair Technical Discussions for March 2, 2008
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2002 Chevrolet Monte Carlo SS 3.8L No Start, MIL Lamp on, security light on VIN: 2G1WX15K32
this one is a real hair puller. first the customer complained that after 20 minutes of driving the security light would come on, the radio will intermitently go into lock out and with the daytime running lights on they will start flashing on and off as if the ... Trouble codes: U1000 (class2 datalink malfunction), U1064 (lost communication with BCM system), B1004 (kam reset), B1780 (theft lock enabled for radio), P1626 (theft deterent fuel enablesignal lost)
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2001 GMC Yukon Denali XL 6.0L Unknown VIN: 1GKFK66UX1
Help all GM techs!! This Denali had both differentials serviced while in our shop with royal purple synthetic gear oil provided by the local Chevy dealer- they use it in their service department.The customer states now the vehicle feels like it is locked in 4w...
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2001 Pontiac Grand Am SE 2.4L Alternator VIN: 1G2NF52T01
All fused curcuits (Fuses & fuse links, as well as all maxi fuses checked , ok) All power outputs from ignition switch seem to be provided. Large power feed wire to alternator has battery voltage . Wire from alternator to dash (PCM) shows battery voltage / the...
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Fixes & Summaries for GM
Fix/Summary Answers
1996 Buick Regal Custom 3.8L Serpentine Belt VIN: 2G4WB52KXT
Decided to take everything off the front of the engine. Found the water pump had a sign of intermittly leaking from the weep hole.Replaced.The PS pressure hose had a bigger leak than at first thought when you peeled away the protective wrap. Replaced the PS fr...
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1994 Chevrolet S10 4.3L Coolant in crankcase VIN: 1GCCS14Z5R
Hey Folks , I went ahead and done intake gaskets as most everyone suggested. I used dye before I tore it down. Saw dye so I think I took the proper action. Only time will tell for sure. So far so good. Good luck with all your jobs in the coming week.
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2000 Chevrolet Silverado 1500 4.3L fuel gauge,oil pressure gauge VIN: 1GCEK14W9Y
Hey guys,this one is remedied.This truck is a logger's bush truck and he just wanted it to run and not cost a lot of money.We installed an on/off switch directly to the battery,because everything works with the key on.and just the battery would die overnight.T...
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2000 Chevrolet Astro 4.3L No Start, Cuts out, Stall, MIL Lamp on VIN: GCDM19W8YB
found a rubbed through wire in black c4 connector for vcm shorted to ground. replaced ecm and repaired harness. all good. thanks to everyone for the help. and i hope this helps someone in the future. Trouble codes: P1361, P1626.
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2002 Saturn SL1 1.9L transmission VIN: 1GBZK54712
Thank you guys for helping tip me off on this saturn.I removed the cover off the valve body and ohmed pc solenoid. It tested good at 4.6 ohms. The pc solenoid could also be actuated with the tech 2.Following these tests, I took apart the valve body to check fo...
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