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andy.spf 01-06-2010 03:41 PM

overdrive annoying
hi any ideas welcome.overdrive will sometimes work after long run but have to do 80mph 2 get it 2 engage then works fine until next time.wat do speed sensors actually do also temp sensor for overdrive where is it thanks andy:confused: 2000 grand cherokee 4.0 petrol 42re auto

robpp 01-06-2010 03:45 PM

Re: overdrive annoying
give us the facts andy.....year motor, trans, transfer case,etc.....

andy.spf 01-06-2010 03:52 PM

Re: overdrive annoying
4.0petrol 2000 grand cherokee limited 42re trans

robpp 01-06-2010 03:59 PM

Re: overdrive annoying
get a service manual here

or this one

dreamer1213 01-06-2010 04:49 PM

Re: overdrive annoying
On my ZJ with e I6 overdrive would disengage after while on a long haul. I had to stop and turn the Jeep off for it to get to engage again. I don't know what its problem was.

How the tranny's fluid? Perhaps it needs a service?

bmflyfish 01-07-2010 09:26 AM

Re: overdrive annoying
I tow a 3k lb camper with my 2003 4.0 42re Grand Cherokee. The transmission would not downshift when the overdrive was turned off. But the trans would shift normally when the overdrive off. Turned out to be a combination of a bad torque converter and valve body not allowing the fluid to reverse itself when the overdrive was turned off. It is much better now, but it is far from perfect.

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