5-6
BRAKES
Condition
Possible Cause
Correction
Dragging
brakes
(A very light
drag is present
in all 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.
Badly worn piston seal in caliper.
Repair master cylinder.
Check for soft hoses or damaged pipes
and replace with new hoses and/or new
brake piping.
Check and adjust to correct specifications.
Replace.
Repair or replace.
Repair as necessary.
Replace piston seal.
Pedal pulsation
(Pedal pulsates
when
depressed 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 speci-
fications, replace or machine disc.
Check per instructions. If not within speci-
fications, replace or machine 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 linings.
Replace shoe linings (or pads).
Replace wheel bearing.
Replace or retighten securing bolts.
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Страница 354: ...UNIT REPAIR OVERHAUL ENGINE ASSEMBLY REMOVAL AND INSTALLATION Refer to Section 6A ENGINE MECHANICAL F8D ENGINE 6A1 51 ...
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Страница 644: ...Prepared by Overseas Service Department 1st Ed October 1999 Printing 646 ...