trans slips in morning

[pineypower420]

got a 1988 ranger 4x4, 2.9, automatic overdrive trans. (a4ld?) truck is stock, my daily driver. in the morning when i put the truck in gear it doesnt engage. if i shift through the gears a few times and put it back in reverse and gas it a bit, it will go. then it is good all day, no slipping whatsoever. it seems to be better the more you let it warm up before you drive. the trans was rebuilt approx 1500 miles ago( about 3 years ago, it was my grandfathers truck, drove it about 15 miles a week) fluid is clean, no burnt smell. would changing the filter and fluid help this it all? or does this sound like a torque converter problem?
thanks in advance.

 

[kevinsranger]

change the vacuum modulator, you can get it from pepboys or whatever for about $15, problem is if you dont have a body lift, i dont know if you can get to it without taking the cat off the exhaust, its on the right side of the trans above the cat. mine did the same thing until i changed it.

 

[kevinsranger]

you can see it in this picture http://www.therangerstation.com/tech_library/a4ld.html

 

[Bruce]

Is it only reverse or forward also??

 

[khooper]

The first thing you want to do is drop the trans oil pan and see what condition the fluid is in. Look at the bottom of the oil pan for debris,metal etc. If there is anything in the pan and the fluid looks and smells burnt, there must be a clutch that is burnt in the trans. This would need a rebuild to repair.
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