Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSCION2006XB L4-1.5L (1NZ-FE)REPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLDISC BRAKE SYSTEMSERVICE AND REPAIRREASSEMBLY
2006 Scion xB L4-1.5L (1NZ-FE)
Reassembly
2006 Scion xB L4-1.5L (1NZ-FE)SECTION Reassembly
FRONT BRAKE
REASSEMBLY
HINT:
^ Use the same procedures for the LH side and RH side.
^ The procedures listed are for the LH side.
1. TEMPORARILY TIGHTEN FRONT DISC BRAKE BLEEDER PLUG
a) Install the bleeder plug to the brake cylinder.
HINT: The bleeder plug will be tightened to a torque specification in the bleed air from brake line procedures.
b) Install the bleeder plug cap.
2. INSTALL PISTON SEAL
a) Apply lithium soap base glycol grease to a new piston seal.
b) Install the piston seal to the brake cylinder.
3. INSTALL FRONT DISC BRAKE PISTON
a) Apply lithium soap base glycol grease to the brake piston and a new cylinder boot.
b) Install the cylinder boot to the brake piston.
c) Install the piston (with boot) to the brake cylinder.
NOTICE: Do not forcibly install the piston to the cylinder.
4. INSTALL CYLINDER BOOT
a) Install the cylinder boot to the brake cylinder.
NOTICE: Install the boot securely to the grooves of the cylinder and piston.
b) Using a screwdriver, install the set ring.
NOTICE: Be careful not to damage the boot.
COMPONENTS:
COMPONENTS:
REASSEMBLY
HINT:
^ Use the same procedures for the LH side and RH side.
^ The procedures listed are for the LH side.
1. TEMPORARILY TIGHTEN FRONT DISC BRAKE BLEEDER PLUG
a) Install the bleeder plug to the brake cylinder.
HINT: The bleeder plug will be tightened to a torque specification in the bleed air from brake line procedures.
b) Install the bleeder plug cap.
2. INSTALL PISTON SEAL
a) Apply lithium soap base glycol grease to a new piston seal.
b) Install the piston seal to the brake cylinder.
3. INSTALL FRONT DISC BRAKE PISTON
a) Apply lithium soap base glycol grease to the brake piston and a new cylinder boot.
b) Install the cylinder boot to the brake piston.
c) Install the piston (with boot) to the brake cylinder.
NOTICE: Do not forcibly install the piston to the cylinder.
4. INSTALL CYLINDER BOOT
a) Install the cylinder boot to the brake cylinder.
NOTICE: Install the boot securely to the grooves of the cylinder and piston.
b) Using a screwdriver, install the set ring.
NOTICE: Be careful not to damage the boot.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.