Nissan Sentra Service Manual: Brake booster
Exploded View
- Master cylinder assembly
- Brake booster
- Lock nut
- Clevis
- Gasket
- Spacer
Removal and installation
REMOVAL
- Remove cowl top and cowl top extension. Refer to EXT-26, "Removal and Installation".
- Remove air duct and air cleaner case. Refer to EM-25, "Removal and Installation".
- Remove brake master cylinder assembly. Refer to BR-32, "Removal and Installation".
- Remove vacuum hose from brake booster. Refer to BR-36, "Removal and Installation".
- Remove the instrument lower panel LH. Refer to IP-21, "Removal and Installation".
- Remove snap pin (1) and clevis pin (2). Refer to BR-22, "Exploded View".
- Remove nuts on brake booster and brake pedal assembly.
CAUTION:
Secure the brake booster to avoid damage to components.
- Remove brake booster and spacer.
CAUTION:
Do not deform or bend brake pipes.
NOTE:
If removing brake booster is difficult, remove clevis from brake booster.
- Remove vacuum pipe from brake booster.
- Remove spacer from brake booster.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
- Be careful not to damage brake booster stud bolt threads. If brake booster is tilted during installation, the dash panel may damage the threads.
- Do not deform or bend the brake tubes when installing the brake booster.
- Always use a gasket between the brake booster and the spacer.
- Do not reuse the clevis pin.
- Loosen the lock nut (1) and adjust the input rod (2) to the specified length (A). Tighten the lock nut to the specified torque.
Length (A) : Refer to BR-55, "Brake Booster".
- Perform the air bleeding. Refer to BR-17, "Bleeding Brake System".
- Check each item of brake pedal. Adjust it if the measurement value is not the standard. Refer to BR-11, "Inspection".
Brake master cylinder
Exploded View
Reservoir cap
Oil strainer
Reservoir tank
Cylinder body
Pin
O-ring
Grommet
Apply brake fluid
PBC (Poly Butyl Cuprysil)
grease or
silicone-based grease
Remo ...
Vacuum lines
Exploded View
Clamp
Vacuum hose (built-in check valve)
Vacuum piping
Vacuum hose
To intake manifold side
Paint mark
Stamp indicating engine direction
To brake booster
Remo ...
Other materials:
Engine compartment check locations
MRA8DE engine
Engine oil filler cap
Brake and clutch (if so equipped) fluid
reservoir
Air cleaner
Battery
Fuse/fusible link box
Engine coolant reservoir
Radiator cap
Engine oil dipstick
Drive belt location
Windshield-washer fluid reservoir
...
Power supply and ground circuit
Diagnosis procedure
Regarding wiring diagram information, refer to bcs-51, "wiring diagram".
1.Check fuses and fusible link
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES >> Replace the blown fuse or fusible link after repairing the aff ...
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
The supplemental restraint system such as “air bag” and “seat belt pre-tensioner”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
