Nissan Sentra manuals

Nissan Sentra Service Manual: 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 brake pedal and dash lower panel decreases.

NOTE:

A slight impact with a small click may be felt on the pedal when the brake pedal is fully depressed. This is normal brake system operation.

Vacuum Inspection


Vacuum Inspection

Idle the engine for one minute to apply vacuum to the brake booster.

Stop the engine. Depress the brake pedal several times at five second intervals until the accumulated vacuum is released to atmospheric pressure. Check that the clearance between brake pedal and dash lower panel gradually increases (A → B → C) each time the brake pedal is depressed during this operation.

Depress the brake pedal with the engine running. Then stop the


Depress the brake pedal with the engine running. Then stop the engine while holding down the brake pedal. Check that the brake pedal stroke does not change after holding down the brake pedal for 30 seconds or more.

NOTE:

A slight impact with a small click may be felt on the pedal when the brake pedal is fully depressed. This is normal brake system operation.

Front disc brake


Brake master cylinder
Inspection Check for brake fluid leakage at the following areas: Master cylinder mounting face Reservoir tank mounting face Brake tube and brake tube connections Brake hose and brake hose ...

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 ...

Other materials:

Unit disassembly and assembly
OIL PUMP O-ring Oil pan (upper) Oil level gauge guide O-ring Oil level gauge Oil pump chain tensioner Oil pump drive chain Crankshaft sprocket Oil pump sprocket Oil pump Drain plug washer Drain plug Oil pan (lower) Oil filter Connector bolt Crankshaft position s ...

Child safety
WARNINGDo not allow children to play with the seat belts. Most seating positions are equipped with Automatic Locking Retractor (ALR) mode seat belts. If the seat belt becomes wrapped around a child’s neck with the ALR mode activated, the child can be seriously injured ...

Diagnosis description : system readiness test (SRT) code
System Readiness Test (SRT) code is specified in Service $01 of SAE J1979/ISO 15031-5. As part of an enhanced emissions test for Inspection & Maintenance (I/M), certain states require the status of SRT be used to indicate whether the ECM has completed self-diagnosis of major emission s ...

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