it's slipping
or else the converter is bad
another TCI gem...............
Hi there,
>
> I've changed my old 4L60 for a 700R4 from TCI on my 92 K1500 Suburban, but I
> have a strange problem.
> After a few kilometers, there is a leak from the upper vent hose, and it
> seems the transmission is able to warm in idle and park mode faster than the
> coolant !
> Did anyone got this problem?
> Any information will be helpful
>
> Thanks in advance
> Phil
>
>