5.3L vortec engine. 4 x4. 250,000 KM
I had a friend that had this problem.I work at a G.M.dealership and I ask a friend that does trans work there.He said this is normal in cold weather.This is done in order for the trans to reach operating temperature sooner.This could be why you are unable to fix this problem because it is normal.I looked in service info to see if I could find a bulletin or something to back this up but I did not find anything.I know this guy very well and I know he knows his work and is good at it.Hope this helps.Good luck.
SOURCE: replacing pcv valve
i have a 2004 model of same and has no pvc.it has a small tube,back of drivers side valve cover,a breather vent.but no pvc valve.
SOURCE: 2003 Silverado with bad transmission?
COULD BE THE GOVERNOR WORN OR DAMAGED.I WOULD HAVE IT TAKEN TO TRANSMISSION SHOP.HE CAN RUN A DIAGNOSTIC TEST USING A SPECIAL SCANNER TO CHECK 1 - 2 SHIFT SOLENOIDS AND 2 - 3 SOLENOIDS.ALSO YOU COULD BE HAVING PCM PROBLEMS.IT NOT CONTROLLING THE SHIFTS.
SOURCE: I have a 1996 Chevrolet 2500 2WD with the vortec
mine did the same thing i tried the fuse first and it didnt fix it and it was the relay but try the fuse first
For
car not changing gears it can be shifter assembly issue, or it can also be
transmission issue. Get the shifter assembly inspected with ignition OFF.
For
more troubleshooting, I suggest you to get the Following help link checked, its
complete step by step procedure to inspect gear shift issues: -----
GEAR SHIFT ISSUES
http://alltypesofpartsreplacing.blogspot.com/2012/11/gear-shift-issues.html
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These will help.
Thanks.
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4 transmissions have been installed in this truck, but still the same problem exists. It is computer(sensor realted, most likely) but scan brings up all normal.
Throttle position sensor has also been replaced.
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