parking brake ISUZU TFS SERIES 1997 User Guide

5-58 BRAKES
FRONT AND REAR CABLE ASSEMBLY
Removal Steps
1. Nut
2. Equalizer bracket
3. Snap pin, with plan washer
4. Pin with curved washer
5. Cable ; front lower
6. Pin with curved washer
7. Parking brake stem assembly
8. Nuts
9. Clip
10. Clip ; fixing bracket
11. Cable assembly ; rear
12. 2nd relay lever assembly with return
spring
13. 1st relay lever assembly
Installation Steps
13. 1st relay lever assembly
12. 2nd relay lever assembly with return
spring
11. Cable assembly ; rear
10. Clip ; fixing bracket
9. Clip
8. Nuts
7. Parking brake stem assembly
6. Pin with curved washer
5. Cable ; front lower
4. Pin with curved washer
3. Snap pin, with plan washer
2. Equalizer bracket
1. Nut

BRAKES 5-61
DISASSEMBLY AND REASSEMBLY
PARKING BRAKE STEM ASSEMBLY
This illustration is based on the LHD model
Disassembly Steps
1. Switch ; parking brake and bolt
2. Cable ; front
3. Switch actuating pin
4. Stem
5. Spring
6. Pole
Reassembly Steps
6. Pole
5. Spring
4. Stem
3. Switch actuating pin
2. Cable ; front
1. Switch ; parking brake and bolt

5-62 BRAKES
Important Operations - Disassembly
2. Cable ; Front
Manually release the lever ratchet and depress the stem until
the cable attachment at the lower end of the stem is visible.
Remove the cable from the stem lower end.
3. Switch Actuating Pin
Align the parking brake switch actuating pin with the hole in the
housing.
Using a flat head punch, drive out the pin.
Important Operations - Reassembly
6. Pole
4. Stem
Before reassembly, apply chassis grease to the arrowed
portion in the left figures.
2. Cable ; Front
Before reassembly, apply chassis grease to the entire inside
surface of the cable boot (arrowed in the left figure)fully.

BRAKES 5-63
INSPECTION AND REPAIR
Make necessary adjustments, repairs, and parts replacements if wear, damage or other problems are discovered
during inspection.
Refer to "SERVICING" in this section for
adjustment procedure of parking brake.
Adjustment Procedure of Parking Brake
Parking brake

5-64 BRAKES
PARKING BRAKE (FLOOR MOUNT TYPE)
REMOVAL AND INSTALLATION
PARKING BRAKE LEVER AND FRONT CABLE ASSEMBLY
Removal Steps
1. Lock nut
2. Adjust nut
3. Equalizer
4. Center console
5. Bolt
6. Switch connector
7. Parking brake lever
8. Parking brake front cable
Installation Steps
8. Parking brake front cable
7. Parking brake lever
6. Switch connector
5. Bolt
4. Center console
3. Equalizer
2. Adjust nut
1. Lock nut
Important Operation - Installation
8. Parking Brake Front Cable
Apply grease (BESCO L-2 or equivalent) to the front cable
before installation.
After installation, be sure to adjust the parking brake.
Refer to "SERVICING" of this section.

5-66 BRAKES
Important Operations - Removal
Preparation
Raise vehicle to the working level.
Support the axle assembly with the proper jack and chassis
stands.
Remove the tire and wheel.
Remove the brake drum.
1. Lock Nut
2. Adjusting Nut
3. Bolt
4. Retainer
Loosen lock nut and adjusting nut, then disconnect rear
cable from the equalizer.
Remove bolt and retainer.
Important Operations - Installation
10.Hand Brake Rear Cable
Apply grease (BESCO L-2 or equivalent) to the
circumference of the pin and joint.
Apply grease (BESCO L-2 or equivalent) to the equalizer
joint portion.
9. Clip and Bolt; Leaf Spring
8. Clip and Bolt; Spring Eye
7. Clip and Bolt; Side Member
6. Clip and Bolt; Side Member
5. Clip and Bolt; Crossmember
Torque N
m (kgfm/lbft)
6 (0.6 / 4.3)
4. Retainer
3. Bolt
Torque N
m(kgfm/lbft)
16 (0.6 / 4.3)
2. Adjusting Nut
1. Lock Nut
Apply grease (BESCO L-2 or equivalent) to the front cable
contact portion.
Connect rear cable to the equalizer, then adjust the parking
brake. Refer to "SERVICING".
Tighten lock nut to the specified torque.
Torque N
m(kgfm/lbft)
16 (0.6 / 4.3)

BRAKES 5-67
TROUBLESHOOTING
Condition and Cause Correction
Poor Brake Action
Master cylinder faulty Correct or replace
Power cylinder faulty Correct or replace
Level of brake fluid in reservoir too low Replenish and bleed
Air in hydraulic circuit Bleed
Front disc brake caliper faulty Clean or replace
Rear brake wheel cylinder faulty Clean or replace
Water or oil on brake pads or linings Clean or replace
Brake pads or linings hardened Replace
Brake pads or linings in poor contact with rotor or brake drum Correct
Brake pads or linings worn Replace
Brake disc or drum rusted Grind or replace
Check valve in vacuum hose faulty Correct or replace
Brake Squeak
Brake pads or linings worn Replace
Brake pads or linings hardened Replace
Brake pads or linings in poor contact with rotor or brake drum Correct
Brake disc(s) warped, worn or damaged Grind or replace
Disc brake anti-squeak shims fatigued Replace
Front hub bearings loose or preload is incorrect Adjust or replace
Brake disc or drum rusted Grind or replace
Brake Pull
Tire inflation pressures unequal Adjust
Front wheel alignment incorrect Adjust
Water or oil on brake pads or linings Clean or replace
Brake pads or linings hardened Replace
Brake pads or linings worn excessively Replace
Brake drum or rotor worn or scored Grind or replace
Front or rear wheel cylinder or disc brake caliper malfunctioning Clean or replace
Front hub bearing preload incorrect Adjust or replace
Brake pad or lining clearances unequal Adjust or replace
Brake Drag
Parking brake maladjusted Adjust
Brake pad or lining clearance insufficient Adjust
Brake pedal free play insufficient Adjust brake pedal height or power cylinder operating rod
Piston in master cylinder sticking Clean or replace
Pistons in disc brake caliper sticking Replace piston seals
Pistons in rear brake wheel cylinders sticking Clean or replace
Brake pads sticking in caliper Clean
Return springs weakened Replace
Parking brake binding Overhaul rear brakes
Front hub bearing preload incorrect Adjust or replace
Rear brake shoes not returning Correct or replace brake back plate, check automatic adjuster and
replace as necessary
Obstructions in hydraulic circuit Clean
Rotor warped excessively Grind or replace
Rear brake drum distorted Grind or replace
Piston cups swollen Replace brake fluid and piston cups
Check valve ; vacuum hose faulty Replace
Parking cable sticking Clean or replace
Rear disc brake over adjust Adjust or overhaul rear brakes
Excessive Brake Pedal Travel
Air in hydraulic circuit Bleed hydraulic circuit
Level of brake fluid in reservoir too low Replenish brake fluid reservoir to specified level and bleed hydraulic
circuit as necessary.
Master cylinder push rod clearance excessive Adjust
Leakage in hydraulic system Correct or replace defective parts
Rear disc brake autoadjuster malfunction Overhaul rear brakes