transmission
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transmission
I have a ford f150 fx4 with 45,000 miles on it. I noticed when i am driving uphill at approx 40-50 mph my truck begans to jerk. I was wondering if it is my transmission slipping or I just need to change my transmission fluid ( which I have not done yet). Would anyone recommend "Royal purpal" tranny fluid???
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Knowing the year of the truck would be very helpful. If it's an '08 or older, it's pretty close to the time for a transmission service / flush / change, pick your poison. If it's and '09 or newer, it's possibly hunting for gears.
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My overdrive is off, actually I never use it too much. It does feel like its searching for gears, but its already in 4 th gear. It feels like it going between 3 rd and 4 th gear. Why is that???? Is it my tranny fluid? I haven't changed it yet.
Thanks.
Thanks.
Cargo Master
Joined: Sep 2005
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From: Montana
This is the wrong thread for an 07, but be sure to get a stress test done on your coils... I had one that would intermittently miss under load (like going uphill) and it felt like the trans was slipping. One mechanic tried to sell me a new trans... Then I got the stress test done and replaced one $50 coil. No problems since.
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Well its not under a heavy load , actually no load. When its in 4th gear its a small jerking feeling. But now that I think of it I don't think its going between gears. At first I thought I had a flat.
Postmaster
Joined: Jul 2010
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From: Henrico, VA
Flush the tranny and change the filter you are at the point that it should be done. I usually do mine every 40k which is a bit shy of what is recommended but helps to prolong the life.
Also OD should only be turned off when under a load or on steep inclines. You should be using it the rest of the time. This may help other parts of your truck run better to if you leave it on for a bit.
Also OD should only be turned off when under a load or on steep inclines. You should be using it the rest of the time. This may help other parts of your truck run better to if you leave it on for a bit.
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