Diesel Data: Automotive Repair

Second Coast Brake




COMPONENTS

DISASSEMBLY OF SECOND COAST BRAKE PISTON




DISASSEMBLE SECOND COAST BRAKE PISTON
a. Remove the E-ring.
b. Remove the piston, spring and retainer from the piston rod.
c. Remove the oil seal ring form the piston.

INSPECTION OF SECOND COAST BRAKE BAND




INSPECT BRAKE BAND
If the lining of the brake band is peeling off or discolored, or even if parts of the printed numbers are defaced, replace the brake band.

HINT: Before assembling new band, soak it in ATF for at least two hours.

ASSEMBLY OF SECOND COAST BRAKE PISTON




1. SELECT PISTON ROD
If the band is OK with piston rod stroke not within the standard value, select the piston rod.
There are two different lengths for piston rod.

Piston rod length:
71.4 mm (2.811 in.)
72.9 mm (2.870 in.)





2. ASSEMBLE SECOND COAST BRAKE PISTON
a. Coat the oil seal ring with ATF and install it to the second coast brake piston.
b. Install the retainer, spring and piston to the piston rod.
c. Install the E-ring.