Question about Cars & Trucks
4 Speed Trans axle do not shift to higher speeds pass 32 mph
What is the make and model and year?. are there any codes .? sounds like your pressure control shift solenoid is bad
Posted on Dec 06, 2012
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Posted on Jan 02, 2017
Don't know about the speed sensor. My '02 Dakota Quad = Cab Sport (2-wheel drive) does the same. Have no idea.
Posted on Jul 23, 2008
I'm having the same problem with my 2006 Chevy 2500 duramax...The humming starts at 25mph and then gets less prominent and then at 50mph it gets more prominent and louder, then at 60mph you can hardly hear it.....I did notice a little bit of leakage where the front axel meets the from diff on the drivers side.
Posted on Aug 09, 2008
check your rear end and make sure it has plenty of gear oil..if full then there is friction in it somewhere and it is probly getting ready to go out.
Posted on Dec 02, 2008
I have a 2000, there is a speed sensor located in top of the rear axel and I believe another on the tranny housing. Try the rear axel first.
Posted on Jun 04, 2009
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