Toyota Yaris: Rear Brake / Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE CYLINDER BOOT
(a) Using a screwdriver with its tip wrapped with protective tape, remove the 2 cylinder boots from the rear disc brake cylinder. NOTICE: -
Do not forcefully pry off the retainer.
-
Be careful not to damage the rear disc brake cylinder.
|
| *1 | Cylinder Boot | *2 | Retainer | *a | Protective Tape | | |
2. REMOVE REAR DISC BRAKE PISTON
(a) Install a wooden block between the pistons of the rear disc brake cylinder to stop them coming out. | |
(b) Using an air gun, gradually apply compressed air until the 2 rear disc brake pistons touch the wooden block.
CAUTION:
-
Do not insert your hand between the pistons to hold the rear disc brake cylinder.
-
When compressed air is blown in, the rear disc brake piston may jump out quickly and trap your fingers.
NOTICE:
Do not allow any brake fluid to spatter.
(c) Remove the wooden block.
(d) Remove the 2 rear disc brake pistons from the rear disc brake cylinder. | |
3. REMOVE PISTON SEAL
(a) Using a screwdriver with its tip wrapped with protective tape, remove the 2 piston seals from the rear disc brake cylinder. NOTICE: Do not damage the cylinder bore and the seal groove. | |
4. REMOVE REAR DISC BRAKE BLEEDER PLUG CAP
(a) Remove the rear disc brake bleeder plug cap from the rear disc brake bleeder plug.
5. REMOVE REAR DISC BRAKE BLEEDER PLUG
(a) Remove the rear disc brake bleeder plug from the rear disc brake cylinder.
REMOVAL CAUTION / NOTICE / HINT NOTICE:
To avoid degrading the precision of the assembly, do not loosen or remove the 2 bolts shown in the illustration...
INSPECTION PROCEDURE 1. INSPECT BRAKE CYLINDER AND PISTON (a) Check the rear disc brake cylinder bore and rear disc brake piston for rust and scoring. If necessary, replace the rear disc brake cylinder assembly and rear disc brake piston...
Other information:
REASSEMBLY PROCEDURE 1. INSTALL COOLER DRYER (a) Using pliers, install a new cooler dryer to the modulator.
*a Modulator (b) Sufficiently apply compressor oil to the 3 O-rings and fitting surfaces of a new cap. Compressor Oil: ND-OIL 8 or equivalent NOTICE: Keep the O-rings and O-ring fitting surfaces free from dirt or foreign matter...
TERMINALS OF ECU CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disconnect the H45 and H46 certification ECU (smart key ECU assembly) connectors. (b) Measure the resistance and voltage according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector disconnected...
Categories

Smart key
Auxiliary key
Key code number plate
To use the auxiliary key, press the knob and pull out the auxiliary key
from the smart key.

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