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:
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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. |
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(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. |
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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. |
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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
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
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:
Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Engine
ENGINE HINT: Perform these procedures after the engine has cooled down. INSPECT DRIVE BELT (a) Inspect the drive belt. Click here INSPECT ENGINE OIL (a) Inspect the engine oil. Click here REPLACE ENGINE OIL AND OIL FILTER (a) Replace the engine oil and oil filter...
Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Engine Immobiliser System Circuit Short to Battery (B279A12)
DESCRIPTION If the communication line (IMI - EFIO) between the ECM and ID code box (immobiliser code ECU) is stuck high, the ECM will store this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area Note B279A12 Engine Immobiliser System Circuit Short to Battery The communication line (IMI - EFIO) between the ECM and ID code box (immobiliser code ECU) is stuck high...
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Keys
To use the auxiliary key, press the knob and pull out the auxiliary key from the smart key.
