Nissan Sentra Service Manual: Front disc brake
BRAKE PAD
BRAKE PAD : Inspection
PAD WEAR
Check brake pad thickness from an inspection hole on caliper body.
Check using a scale if necessary
Wear limit thickness : Refer to BR-55, "Front Disc Brake".
DISC ROTOR
DISC ROTOR : Inspection
APPEARANCE
Check surface of disc rotor for uneven wear, cracks or damage. Replace if any abnormal conditions exist.
RUNOUT
- Check the wheel bearing axial end play before the inspection. Refer to FAX-6, "Inspection".
- Secure the disc rotor to the wheel hub and bearing assembly with wheel nuts at two wheel nut locations.
- Inspect the runout with a dial gauge, measured at 10 mm (0.39 in) inside the disc edge.
Runout : Refer to BR-55, "Front Disc Brake".
- Find the installation position with a minimum runout by shifting the disc rotor-to-wheel hub and bearing assembly installation position by one hole at a time if the runout exceeds the limit value.
- Refinish the disc rotor if the runout is outside the limit even after performing the above operation. When refinishing, use Tool.
Tool number : 38-PFM92 ( — )
THICKNESS
Check the thickness of the disc rotor using a micrometer. Replace the disc rotor if the thickness is below the wear limit.
Wear thickness : Refer to BR-55, "Front Disc Brake".
Thickness variation : Refer to BR-55, "Front Disc Brake".
Brake booster
Inspection
Operation
Depress the brake pedal several times at five second intervals with
the engine stopped. Start the engine with the brake pedal fully
depressed. Check that the clearance between ...
Rear drum brake
BRAKE LINING
BRAKE LINING : Inspection
INSPECTION
Brake Lining
Check brake lining wear thickness (A). Check using a scale if
necessary.
Lining wear thickness (A) : Refer to BR-55, "Re ...
Other materials:
Audible reminders
Brake pad wear warning
The disc brake pads have audible wear warnings.
When a disc brake pad requires replacement, it
makes a high pitched scraping sound when the
vehicle is in motion, whether or not the brake
pedal is depressed. Have the brakes checked as
soon as possible if the warning sou ...
Steering column covers
Removal and Installation
REMOVAL
Remove the steering column cover screws (A), then remove the
steering column upper (1) and lower (2) covers.
NOTE:
Shown with steering wheel removed for clarity.
If necessary, rotate steering wheel to access steering column
cover screws (A).
...
Additional service when replacing ecm
Description
When replacing ECM, the following procedure must be performed. (For details,
refer to EC-135, "Work Procedure".)
PROGRAMMING OPERATION
NOTE:
After replacing with a blank ECM, programming is required to write ECM
information. Be sure to follow the procedure
to perform t ...
