TH400 Whining...
So, I just serviced the filter and fluid on the Th400 I have in my 64, and it has started whining when it's cold out.
After it warms up, or I drive it for about a mile or two, the whining goes away.
The filter and fluid are both brand new, and when I changed the fluid, there wasn't any real sediment in the pan.
I'm thinking front pump, but Im not too educated in this transmission to make any kind of diagnostic.
I do have a cooler on it, and the hoses are new(er) too.
Any help?
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2013 Malibu LTZ
1996 C1500 4.3/5spd 2wd
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