Isuzu N Series 2008 Owner's Manual page 415

Model with HBB
Front disc brake and
rear drum brake model
4-wheel drum brake model
ADVICE
• If, after continued pressing of the brake pedal, the clearance slowly decreases
or the pedal action feels spongy, air may be trapped in the brake hydraulic
circuit. Have your vehicle inspected at the nearest Isuzu Dealer as soon as
possible.
• If your vehicle's brakes squeak during normal driving or braking, the cause may
be one of the following.
- Brake pad wear
Brake pads are about to wear out. If this happens, have your vehicle
inspected at the nearest Isuzu Dealer as soon as possible.
- Adherence of sand, grit or mud
If sand, grit or mud adheres to the brakes, a screeching sound may be emitted
upon contact with rotating components. If this happens, wash the vehicle
to remove all such adhering matter. If cleaning alone does not eliminate the
squeaking sound, have your vehicle inspected at the nearest Isuzu Dealer as
soon as possible.
NOTE
• To check the clearance of the pedal from the floor, start the engine, depress
the accelerator pedal a few times, and use the first pressing of the brake pedal
to measure the clearance. The clearance cannot be correctly measured after
pressing the pedal two or more times in succession.
• Before checking the free play of the brake pedal, stop the engine and press the
pedal 4 or 5 times in succession.
Brake Performance
Run the vehicle slowly on a dry road and apply the brakes. Check that the brakes fully
work and the vehicle does not pull on one side.
CAUTION
• A brake performance check should be performed on a wide road with
good visibility while paying adequate attention to the traffic behind and the
surroundings.
2008N_sec07-2_print2.indd 69
SERVICE AND MAINTENANCE
Clearance between the brake pedal and the
brake pedal bracket with a pressure of
294 N (30 kgf/66 lb) applied to the brake pedal
35 mm (1.38 in) or more
45 mm (1.77 in) or more
7-69
3/09/2008 5:53:15 PM