Toyota Sienna Service Manual: Second brake piston

Reassembly

1. INSTALL FRONT OIL PUMP OIL SEAL (a) Using SST and a hammer, install a new oil seal to the oil pump body. SST 09350-32014 (09351-32140) HINT: The seal end should be flat with the outer edge ...

Disassembly

1. REMOVE 2ND BRAKE PISTON RETURN SPRING SUB-ASSEMBLY (a) Place SST on the return spring and compress the return spring with a press. SST 09387-00060 (b) Using a screwdriver, remove the snap ...

Other materials:

Problem symptoms table
HINT:  Use the table below to help determine the cause of the problem symptoms. The potential causes of the symptoms are listed in order of probability in the ''Suspected Area'' column of the table. Check each symptom by checking the suspected areas in the order they are listed. Rep ...

Disassembly
1. REMOVE 2ND BRAKE PISTON RETURN SPRING SUB-ASSEMBLY (a) Place SST on the return spring and compress the return spring with a press. SST 09387-00060 (b) Using a screwdriver, remove the snap ring. (c) Remove the 2nd brake piston return spring. 2. REMOVE 2ND BRAKE PISTON (a) Hold ...

How to proceed with troubleshooting
The intelligent tester can be used at steps 3, 7, 10, and 13. 1 VEHICLE BROUGHT TO WORKSHOP 2 CUSTOMER PROBLEM ANALYSIS (a) Interview the customer to confirm the trouble. 3 DTC CHECK/CLEAR AND FREEZE FRAME DATA 4 PROBLEM SYMPTOM CONFIRMATION 5 PROBLEM SYMPTOM SIMULATION 6 SYMPTOM SI ...