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Transmission questions, can i use the 4t65e shift kit in my 4t65 in my 04 century


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Posted

i have a trans that needs the fluid replaced so i was going to replace it and do a shift kit along with some transmission fluid from lucas, also is the lucas stuff ok to use in our trans, i dont have any slipping yet but i feel a little hesitation in 1st at 800 rpm but only for a split second, opinions and comments appreciated

Posted

Ive personally had bad luck with the lucas tranny stuff(clogged new filter)

i have a trans that needs the fluid replaced so i was going to replace it and do a shift kit along with some transmission fluid from lucas, also is the lucas stuff ok to use in our trans, i dont have any slipping yet but i feel a little hesitation in 1st at 800 rpm but only for a split second, opinions and comments appreciated
Posted

I love the stuff. I use all kinds of lucas products. But I don't know anything specific about your application.

Posted
Ive personally had bad luck with the lucas tranny stuff(clogged new filter)

 

lucas anything does not go in my vehicles.

 

I have personally seen Lucas wreak havoc on vehicles. It cost me 3 PS pumps on my Jeep.

Posted

ok so no slipping but i get sorta hard shifts, like it has a shift kit already, im thinking i will just drain the pan and remove the filter and do a filter swap with new fluid

Posted

a little bubbly is fine, foam and lots of it, that is a problem.

Posted

measure with the trans hot(driving for..... 5-10 miles will probably get it there, depending on weather), enigne running, that is how GM specifies and marks their trans dipsticks.

 

cold will show lower.

engine off will show higher.

Posted

ok so i had the trans flushed and had cleaner and additive added, i have no slipping at all but do have some had shifting still

Posted

define bad shifting. the 4T65 will adapt, eventually, to new fluids, but IIRC, it requires the trans to be fairly warm and it will start filtering in new line pressure offsets to match the target shift times in the calibration.

Posted

it shifts a little hard or at least it was, i havent driven it any distance today

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