Tips and Tricks -
Automatic Transmission
Gearbox
Tip:
Periodic transmission oil check (engine running, gear shift in park and hand brakes applied):

Tip:
 Ford E40D complaint: On some 1997 F-150 trucks, there may be a soft/drawnout/or slide/bump 1-2 upshift. Cause:
 May be the transmission was build with wrong valve-body spacer plate.

Trick:
 GM TH400 shift sequence/slow or fast shift may be altered by changing governor springs.
 

Tip:
Chrysler A604 complaint: trouble moving selector level into any range. Cause: May be a bad neutral-safety
or PRNDL switch, a binding manual shaft or a bad shifter cabel.

Tip:
 GM 700-R4: Install transmission oil cooler.                                                           

Tip:
Chrysler A604: Change oil and filter every 20 000 miles.

Trick:
Ford E4OD: Make sure all electrical connections to transmission are clean.