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DIAGNOSIS TABLE
Condition
Not enough braking
force
Brake pull
(Brakes not working in
unison)
Noise (high pitched
squeak without brake
applied)
Rear brake locked pre-
maturely
Possible Cause
Brake oil leakage from brake lines
Brake disc or pads stained with oil
Overheated brakes
Poor contact of shoes on brake drum
Brake shoes linings stained with oil or wet with
water
Badly worn brake pad linings
Defective wheel cylinders
Malfunctioning caliper assembly
Air in system
Maladjusted sensor spring length of LSPV, if
equipped
Broken sensor spring of LSPV, if equipped
Defective LSPV, if equipped
Malfunctioning ABS (Antilock brake system), if
equipped
Pad linings and/or shoe linings are wet with
water or stained with oil in some brakes
Drum-to-shoe clearance out of adjustment in
some brakes
(Malfunctioning auto adjusting mechanism)
Disc and/or drum is out of round in some
brakes
Wheel tires are inflated unequally
Malfunction in wheel cylinders
Disturbed front end alignment
Unmatched tires on same axle
Restricted brake pipes or hoses
Malfunctioning caliper assembly
Loose suspension parts
Loose calipers
Front lining worn out
Contact wear indicator to brake disc
Maladjusted sensor spring length of LSPV, if
equipped
Malfunction LSPV assembly, if equipped
Correction
Locate leaking point and repair.
Clean or replace.
Determine cause and repair.
Repair for proper contact.
Replace.
Replace.
Repair or replace.
Repair or replace.
Bleed system.
Check or adjust.
Replace.
Replace.
Check system and replace as nec-
essary.
Replace.
Check for inoperative auto adjust-
ing mechanism.
Replace.
Inflate equally.
Repair or replace.
Adjust as prescribed.
Tires with approximately the same
amount of tread should be used on
the same axle.
Check for soft hoses and damaged
lines. Replace with new hoses and
new double-walled steel brake tub-
ing.
Check for stuck or sluggish pistons
and proper lubrication of caliper
slide bush.
Caliper should slide.
Check all suspension mountings.
Check and torque bolts to specifica-
tions.
Replace linings.
Replace pads.
Check or adjust.
Replace assembly.
BRAKES 5-5
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