Transmission HELP!!
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Joined: Jan 2018
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Transmission HELP!!
I have a 2000 F150 XLT 4r70w transmission.
When cold i have to rev up to 3500 rpm to get it into gear
after it gets warm usually 1500-2500 rpm to get into first.
coming to a stop it slips back into neutral.
tried going up a mountain the other week at traffic. when it drops to 1500 rpm going up it will lose power like its about to go into neutral but stays at 1300 rpm without downshifting so i'll gas it up and it will catch again and start moving.
Am about to change tranny filter soon. I was thinking it was the shift solenoid but no codes thrown. the old guy who had it before did not change filter but sucked out the fluid from the top.
any ideas?
When cold i have to rev up to 3500 rpm to get it into gear
after it gets warm usually 1500-2500 rpm to get into first.
coming to a stop it slips back into neutral.
tried going up a mountain the other week at traffic. when it drops to 1500 rpm going up it will lose power like its about to go into neutral but stays at 1300 rpm without downshifting so i'll gas it up and it will catch again and start moving.
Am about to change tranny filter soon. I was thinking it was the shift solenoid but no codes thrown. the old guy who had it before did not change filter but sucked out the fluid from the top.
any ideas?
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,739
Likes: 2,669
From: SE Florida
What can cause this is a failed forward clutch. It's toast. It's time to rebuild or replace the transmission. Sorry.
Mountain Pass
Joined: Feb 2007
Posts: 152
Likes: 1
From: Truth or Consequences, NM
Changing the filter is a waste of money. It won't fix this. There is no way possible that it could be a shift solenoid. A shift solenoid could not cause this.
What can cause this is a failed forward clutch. It's toast. It's time to rebuild or replace the transmission. Sorry.
What can cause this is a failed forward clutch. It's toast. It's time to rebuild or replace the transmission. Sorry.
Sorry ....
Senior User
Joined: Jul 2017
Posts: 278
Likes: 1
From: Penticton, BC, Canada
LUBEGARD Platinum High Performance ATF Protectant
I use to be with a major transmission repair franchise, and all the franchisees recommended Lubegard as a possible fix/temporary fix. It's an inexpensive possible repair.
I use to be with a major transmission repair franchise, and all the franchisees recommended Lubegard as a possible fix/temporary fix. It's an inexpensive possible repair.
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,739
Likes: 2,669
From: SE Florida
Waste of money. This one is well past where any additive could help.
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