Suzuki GA413, Service Manual

Page: 208 / 1246

5-12 BRAKES
Symptom Possible Cause Remedy
Excessive pedal trav-
el (Pedal stroke too
large)
Partial brake system failure.
Insufficient fluid in master cylinder reser-
voirs.
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 sys-
tems.
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 brakes
immediately after
pedal is released)
Master cylinder pistons not returning cor-
rectly.
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.
Badly worn piston seal in the caliper.
Malfunctioning ABS (Anti-lock Brake Sys-
tem).
Maladjusted brake booster push rod clevis
Repair master cylinder.
Check for soft hoses or damaged pipes
and replace with new hoses and/or new
double-walled steel brake piping.
Check and adjust to correct specifica-
tions.
Replace.
Repair or replace.
Repair as necessary.
Replace piston seal.
Check system referring to DIAGNOSIS
of Section 5E.
Check or adjust
Pedal pulsation (Ped-
al pulsates when de-
pressed for braking.)
Damaged or loose wheel bearings.
Distorted steering knuckle or rear wheel
spindle.
Excessive disc lateral runout.
Parallelism not within specifications.
Rear drums out of round.
Replace wheel bearings.
Replace knuckle or rear wheel spindle.
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.