Question about 2001 Chevrolet Silverado 2500HD

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Overdrive won't engage on 4l80e transmission

While driving in overdrive, it just locked up and died when it tried to shift into overdrive. It started back up, but it won't shift into overdrive. Do I need a new tranny or torque converter or what?

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6 Suggested Answers

shaggyrat
  • 1224 Answers

SOURCE: 2003 chevy silverado will not shift into drive or overdrive.

transmission shift solenoid is stuck open this is a common vehicle issue in automatics and not particular to any make or model vehicle 15 dollar part and arm and leg for labor if taken in

heres an idea to try
take out the transmission filter and replace with new one make sure to take not of any metal debry in trans pan this indicates the trans had sheered its gears down and a trans rebuild is needed
the transfilter needs to be changed at a certain milage interval they can get clogged up
there is a kit you buy for your truck at any parts store
its an easy change hour of time unbolt trans pan unbolt trans filter and put new one in
kit comes with new seals less than an hour you can do it yourself

to overdrive you would feel a difference in shift badley if it was that something to keep in mind

Posted on Dec 06, 2008

  • 4 Answers

SOURCE: 1992 Mitsubishi Eclipse transmission slips in overdrive

well the low cost way to go first would be to try and change the trans fluids. If the problems still remains the it may be an internal problem

Posted on Feb 25, 2009

  • 1 Answer

SOURCE: f150 transmission neutralizes when shifts to overdrive

I have that exact same truck and transmission and My Transmission did the exact same thing about a year ago and there was some kind of snap ring inside the transmission that broke. I originally thought it had to be an electirical problem because the truck shifted fine until OD or if i turned OD off. The 4r70w is a light transmission and i would suggest you have a shift kit put in and they make a heavier kit to beef it up.. Sorry its probably not the new you were looking for.

Posted on Apr 15, 2009

  • 532 Answers

SOURCE: Unable to shift into overdrive

a solenoid problem if its an automatic transmission,if its a manual(with clutch)then its probably the syncros bad

Posted on May 08, 2009

  • 1 Answer

SOURCE: 2001 impala will not shift into overdrive

your overdrive clutch hub has gone out/worn out.
It can be replaced or you could have the whole transmission re-built or replaced with a low mileage one from the salvage yard , etc at a lower cost..(which is what I did)
This is common on these trannys.

Posted on Jul 02, 2009

heavymetal77
  • 721 Answers

SOURCE: 4L80E trans. Lost passing gear/overdrive suddenly

Unfortunately,the transmission is probably bad.

Posted on Jul 15, 2009

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