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Professional Automotive Repair Technical Discussions for September 25, 2012 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2000 Chevrolet K3500 5.7L 4x4 indictor VIN: 1GCHK33RXY The 4x4 indicator lights will not come on when the transfer case is shifted into 4 high or 4 low. We have checked and replaced the selector switch and have check the bulbs and fuses. Anything that i am missing i have power at the switch but the indicator light... |
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| 2007 Chevrolet Colorado LT 3.7L wont start VIN: 1GCDS13E87 Vehicle will start n run just fine for a day or two thn suddenly i open key security light will b flashing n truck wont start, i relearn the pass lock key again n it starts just fine. Theres times i have to do this 3 times a day, hope u can help n always thank... |
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| 2009 Chevrolet Express 2500 4.8L 1-2 shift VIN: 1GCGG25C89 Road tested vehicle and noticed intermitently the 1-2 shift on normal acceleration at times would harshly shift just like early trans with broken accumilator spring. |
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| 2001 GMC Sierra 2500 HD SL 6.6L tcm VIN: 1GTHK29171 mistake? upon the advice of a local auto wrecker i purchased and installed a 04 vin 1 allison tranny(used) in the above 01 truck.when we went to install the coolers lines i said oops.reached out to my transmisson guru who said there is a g solnoid added in 03.... |
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| 2003 Hummer H2 6.0L 1-2 Shift VIN: 5GRGN23U23 Hey Guys, So Ive been scratching my head for the last few hours on this one. Vehicle has 4L60 Trans. Vehicle seems to be stuck in first gear. Reverse works fine. Cannot manually select and get vehicle into 2nd or 3rd gear. Did notice that when I manually place... |
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| 2001 Saturn L300 3.0L No Start VIN: 1G8JW54R31 Initially the car came in 2 weeks ago for a no start. We diagnosed the problem, replaced the fuel pump with a Delphi unit. Engine started. Customer paid bill and left. Less than 48 hours later, she called, engine does not start. We towed it back and upon diagn... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2004 Buick Rainier CXL 4.2L Differential VIN: 5GADT13S84 Thank you all for your input. I removed the transfer case motor and it drove fine. Replaced the motor and all is well. Changed the fluid in the rears and transfer case as an added measure. Thank you Clint |
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| 1990 Chevrolet Corvette 5.7L Hesitation, Stall, MIL Lamp on VIN: 1G1YY2389L Thanks for all the helpful advise.Customer opted to take vehicle with check engine light coming on with code 43,intermittenly.I had check timing,(had readjusted multiple times),replaced igniter,checked distributer bushings,tested knock sensor,and was going to ... Trouble codes: 43 (ESC Circut). |
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| 1994 Chevrolet Camaro Z28 5.7L engine VIN: 2G1FP22P2R Hi: Replaced PCM with reman unit and sent out to be reflashed for performance as customer requested. After installation,car did not run but now had communication with scanner. On live data, had NO RPM reading.Using Shopkey flow chart for "no start, cranks ok, ... |
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| 2005 Chevrolet Silverado 1500 LS 5.3L Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2GCEK13T25 Sorry for the delay, I have been so busy I haven't had a chance to post the fix for this one until now. So I disconnected both up stream HO2's and they dropped the voltage down to 400 mv and the truck ran great! Replaced both upstream oxygen sensors and the ... Trouble codes: P0171, P0174, P0300, P0131, P0138, P0158. |
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| 2005 Chevrolet Trailblazer LS 4.2L timing chain VIN: 1GNES16S55 Well after doing and engine oil flush with no result I opted to replace the cam phaser like some suggested,I put it on and hope it would work.and it did thanks to all the replies |
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| 2006 Chevrolet Suburban 1500 LT 5.3L rear lift gate VIN: 3GNEC16Z36 Looks like this one is behind me. I looked the latch/actuator mechanism over carefully and realized that the actuator only disengages the latch release levers from the lift gate release handle and button for the glass, it doesnt actually open any latches. So I... |
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| 2004 Hummer H2 6.0L Ignition Cylinder VIN: 5GRGN23U04 I got a key cut at the dealer from the VIN, it worked after about 6 tries, enough to get it turned that 1 more time. Once I could turn it, removal was no problem. I brought it to local locksmith to have repaired, he cut a new key from code on cylinder body and... |
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| 2007 Saturn Outlook XE 3.6L R.F.Turn signal VIN: 5GZEV13737 Thank you to everyone who replied especially mark and craig who said the courtesy light fuse controlled rf turn signal when i saw thei reply i remembered when checking the fuses it was missing from fuse box and interior lights were inop although i rechecked my... |
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