HAVE A 1991 SUBARU LEGACY AWD, AUTOMATIC, WHEN IT GETS HOT IT WONT SHIFT , IT ONLY SHIFTS ONCE THEN WONT GO INTO 3RD I GUESS IT IS,,,,, IF I LET IT COOL DOWN FOR A FEW HOURS IT SHIFTS FINE AGAIN. I TOOK THE CAR TO VALVALINE AND HAD THE TRANY FLUSHED BUT STILL DOING THE SME THING. FLUID LOOKS NICE AND RED BEFORE THE FLUSH AND STILL LOOKS GOOD, NO BURNT SMELL.... ALSO THERE IS NO LIGHTS LITE SAYING THERE IS A PROBLEM ((( CHECK ENGINE )))   ANY IDEAS