Free Auto Service and Repair Manuals

Step by Step Trans-Brake Installation Guide Ford C-4

The transmission must be properly rebuilt for racing before installation of this Trans-Brake. See attached diagram for the necessary modification. It is necessary for two ¼” vent holes to be drilled behind the servo in the case as shown. Remove and inspect the Forward drum, making sure to maintain a minimum clutch pack clearance of .025 – .040.

Remove and discard stock modulator, modulator valve, and governor assembly. Install Trans-Brake valve and spring in stock modulator valve bore, making sure the valve operates freely. Install the new Trans-Brake valve body in the case using your manual valve, make sure it is properly positioned with shift lever.