The Aisin AW4 is a four-speed automatic transmission used in some Jeeps and as the A340 in various Toyotas. It is electronically controlled in the forward gears and has been used in numerous ...

Burnt clutches, loose bolts, and hidden contamination all contributed to one of the more unusual transmission failures we've ...

As confused as Blue Oval and Mopar fanatics may be in their misguided hot rodding proclivities, at least they know a good automatic transmission when they see one. How else can you explain the ...

Since modern automatic transmissions are generally seamless, any noticeable issues — such as slipping, delayed engagement, harsh shifting or a burning smell — are important warnings that should prompt ...