4 Runner 2WD L4-2693cc 2.7L DOHC MFI (1997)
1. Install second brake piston.
a. Coat the 2 new O-rings with ATF and install them on second brake piston.
b. Being careful not to damage the O-rings, press the second brake piston into the second brake drum with both hands.
2. Install piston return spring.
a. Install the piston return spring.
b. Install the spring retainer.
c. Place SST 09350 - 30020 (09350 - 07040) on the spring retainer, and compress the return spring with a shop press.
d. Using snap ring pliers, install the snap ring.
3. Check second brake piston movement.
Make sure the second brake piston moves smoothly when applying and releasing low-pressure compressed air to the second brake drum.
4. Install thrust washer.
Coat the thrust washer with petroleum jelly and install it.
