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Home >> Toyota >> 2012 >> Sienna FWD L4-2.7L (1AR-FE) >> Repair and Diagnosis >> Brakes and Traction Control >> Disc Brake System >> Service and Repair >> Overhaul >> Front Brake >> Reassembly
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Reassembly





BRAKE (FRONT): FRONT BRAKE: REASSEMBLY

HINT
Perform the removal and installation of the front disc brake piston, cylinder boot and piston seal one side at a time.

1. TEMPORARILY TIGHTEN FRONT DISC BRAKE BLEEDER PLUG

(a) Temporarily tighten the front disc brake bleeder plug to the disc brake cylinder assembly.

2. INSTALL FRONT DISC BRAKE BLEEDER PLUG CAP

(a) Install the bleeder plug cap to the front disc brake bleeder plug.

3. INSTALL PISTON SEAL

(a) Apply a light layer of lithium soap base glycol grease to the entire circumference of a new piston seal.





Text in Illustration





(b) Install the piston seal to the disc brake cylinder assembly.

NOTICE:
Securely install the piston seal into the groove of the disc brake cylinder.

4. INSTALL CYLINDER BOOT

(a) Apply a light layer of lithium soap base glycol grease to the entire circumference of a new cylinder boot and front disc brake piston.





Text in Illustration





(b) Install the cylinder boot to the front disc brake piston as shown in the illustration.





5. INSTALL FRONT DISC BRAKE PISTON

(a) Install the front disc brake piston and cylinder boot to the disc brake cylinder assembly as shown in the illustration.





Text in Illustration





NOTICE:
* Securely install the cylinder boot into the groove of the cylinder and piston.
* Do not damage the cylinder boot.
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