3-24
Trouble symptom
Probable cause
Remedy
4. Brake does not apply
1) Service brake.
- Low or no pressure
to brake.
·
·
·
Empty fluid reservoir.
Damaged hydraulic system.
Leakage of brake actuation fluid.
·
·
·
Fill reservoir to correct level with
specified fluid.
Check hydraulic system.
Refer to "Brake leaks actuation fluid" in
trouble shooting.
2) Parking brake
·
Parking brake not adjusted properly.
·
·
Adjust parking brake lever as described
in chapter 3.2) Assembly.
Carrier case cover assemble.
(Chapter 3.2) Assembly)
5. Brake does not release
5. Brake does not release
1) Hydraulic system
- Vehicle does not
move.
·
Damaged hydraulic system.
·
Check hydraulic system.
2) Service brake
- Brakes dragging.
·
·
·
Damaged piston return spring
assembly.
Piston not returning.
Wrong cooling and/or actuation fluid
used.
·
·
·
Check piston return spring assembly.
Check piston seals for swelling or
damage (Replace as necessary).
Check piston seals for swelling or
damage. Replace as necessary. Purge
system and use specified fluid.
3) Differential
·
·
·
·
Damaged diff pinion and side gear.
Damaged diff spider.
Damaged differential case.
Damaged ring gear and pinion gear.
·
·
·
·
Change the damaged part.
Change the damaged part.
Change the damaged part.
Change the damaged part.
6. Braking performance
1) Service brake
- Noticeable change
or decrease in
stopping performance.
·
·
·
·
Inadequate actuation fluid supply to
brakes.
Inadequate pressure to apply
brakes.
Worn or damaged discs.
Overheated seals and/or discs.
·
·
·
＊
·
Replenish fluid in brake system. Check
for leakage and correct cause.
Check brake apply system. Check for
leakage in brake system or brakes, and
correct cause.
Inspect and replace discs if necessary.
As disc wear occurs, make sure brake
system can supply adequate fluid to
fully apply brakes.
Inspect and replace discs and seals, if
necessary.
- Brake feel spongy/soft.
·
Brakes or brake system not proper-
ly bled.
·
Bleed brakes and brake system.
To Next Page
Loading...
