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:

On-vehicle inspection
1. INSPECT CENTER AIRBAG SENSOR ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnosis system check. 2. INSPECT CENTER AIRBAG SENSOR ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)  Perform a diagnosis system check. 3. INSPECT CENTER AIRBAG ...

Short to GND in Rear Curtain Shield Squib RH Circuit
DTC B1632/81 Short to GND in Rear Curtain Shield Squib RH Circuit DESCRIPTION The rear curtain shield squib RH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly RH. The circuit instructs the SRS to deploy when deployment conditions are met. DTC ...

Inspection
1. INSPECT BRAKE CYLINDER AND PISTON (a) Check the brake cylinder bore and front disc brake piston for rust or scoring. 2. INSPECT PAD LINING THICKNESS (a) Using a ruler, measure the pad lining thickness. Standard thickness: 12.0 mm (0.472 in.) Minimum thickness: 1.0 mm (0.039 in.) 3. ...