Suzuki Grand Vitara 1998, Service Manual

Page: 281 / 801

YH4
GRAND
VITARA
BRAKES 5-5
Condition Possible Cause Correction
Excessive pedal
travel (Pedal
stroke too large)
Partial brake system failure.
Insufficient fluid in master cylinder
reservoirs.
Air in system. (pedal soft / spongy)
Rear brake system not adjusted.
(malfunctioning auto adjusting mechanism)
Bent brake shoes.
Worn rear brake shoes.
Check brake systems and repair as
necessary.
Fill reservoirs with approved brake
fluid.
Check for leaks and air in brake
systems.
Check warning light. Bleed system if
required.
Bleed system.
Repair auto adjusting mechanism.
Adjust rear brakes.
Replace brake shoes.
Replace brake shoes.
Dragging brakes
(A very light drag
is present in all
disc brakes
immediately
after pedal is
released)
Master cylinder pistons not returning
correctly.
Restricted brake pipes or hoses.
Incorrect parking brake adjustment on rear
brakes.
Weakened or broken return springs in the
brake.
Sluggish parking-brake cables or linkage.
Wheel cylinder or caliper piston sticking.
Malfunctioning ABS, if equipped with ABS.
Replace master cylinder.
Check for soft hoses or damaged
pipes and replace with new hoses
and / or new brake pipes.
Check and adjust to correct specifi-
cations.
Replace.
Repair or replace.
Repair as necessary.
Check system and replace as
necessary.
Pedal pulsation
(Pedal pulsates
when depressed
for braking)
Damaged or loose wheel bearings.
Distorted steering knuckle or rear axle
shafts.
Excessive disc lateral runout.
Parallelism not within specifications.
Rear drums out of round.
Replace wheel hub component.
Replace knuckle or rear axle shaft.
Check per instructions. If not within
specifications, replace or machine
the disc.
Check per instructions. If not within
specifications, replace or machine
the disc.
Check runout.
Repair or replace drum as
necessary.
Braking noise Glazed shoe linings, or foreign matters
stuck to linings.
Worn or distorted shoe linings.
Loose front wheel bearings.
Distorted backing plates or loose mounting
bolts.
Repair or replace shoe lining.
Replace shoe lining (or pad).
Replace wheel hub component.
Replace or retighten securing bolts.