Brake-4
failure cause Inspection content
It has the continuous
scream and squeak
when does not use the
brake
The brake pedal or assist push bar is adjusted
incorrectly
The return of brake assist or master pump or wheel
pump is bad
(disc brake )
The piston is corrosive or blocked
The brake block in brake caliper is in improper
position
Shell abrasion of rotor and brake caliper
The brake block support plate in disc brake is
installed improperly
The brake block abrasion indication plate contacts
the rotor for the abrasion of brake block
(drum brake)
The press spring of brake shoe is soft, damaged or
improper.
The flange of rear back rear apron is cracked
The rear apron interfere with the brake drum
mutually after bent or warp
Improper machining of brake drum, cause the mutual
interference of rear apron and brake shoe
components of other brake system:
Brake system has loose or redundant components
The brake pad is smoothed for the rear brake drum is
adjusted too tight
The wheel bearing is worn damaged or under
lubricated
Check and adjust
Check, repair or replace
Check and fill with lubrication oil if
necessary.
Repair or replacement
Repair or replacement
Repair or replacement
Repair
Repair
Repair or replacement
Repair or replacement
Replace the brake drum
Check, maintain and replace if
necessary.
It still has the rattler,
click or cackle noise
when does not use the
brake.
The stone or foreign enters into the inside of wheel
protecting hood
The hub nut is loose
The brake pedal or assistor push bar is adjusted
improperly
The wheel bearing is worn, damaged or lubricated
insufficiently
(disc brake )
The muffler spring is soft or lost; the brake block
support plate or external end of brake block is coiled
silencing plate is unsound
The slide bush is worn
The installation bolt is loose
Piston returns unsoundly
(drum brake)
Have loose or redundant component
Remove the foreign materials such as
the stone
Tighten it to the specified torque, it
should be replaced if the bolt hole is
enlarged
Check and adjust
Check, lubricate or replace
Repair or replacement
Check and replace if necessary
Check and replace if necessary
Check and tighten if necessary
Check , repair or replace
Check, take out or repair