Ford Thunderbird 1966 - Front Disc Brake Trouble Symptoms

2-2
GROUP 2
-BRAKES
TABLE
1
Front
(Disc)
Brake
Trouble
Symptoms and
Possible Causes
POSSIBLE CAUSES OF TROUBLE
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Shoe and
Lining
Knock-back
after Violent
Cornering
or
Rough Road
Travel
X
Piston
and
Shoe and
Lining Assembly
not
Properly
Seated
or Positioned
X
X
Air Leak or
Insufficient
Fluid in System or Caliper
X
X
Loose Wheel
Bearing
Adjustment
X
Damaged
or Worn
Caliper Piston Seal
X
X X
Improper Booster
Push
Rod
Adjustment X
Excessive
Lateral Run-Out
of Rotor
X
Rotor
Excessively
out
of
Parallel X
Frozen or
Seized
Pistons
X X
X X
Brake
Fluid,
Oil
or
Grease on
Linings X X X
Shoe and
Lining
Worn
Below
Specifications X
Booster
Inoperative
X
Caliper
Out
of
Alignment
with Rotor
X X
Loose
Caliper
Attachment
X
X
Need
to
Slightly
Increase
or
Decrease
Pedal Effort
X
Excessive
Clearance
Between
Shoe and
Caliper or
Between
Shoe
and
Splash
Shield X
Shoe
Hold
Down
Clips
Missing
or
Improperly
Positioned
X
Operator
Riding
Brake
Pedal X
Scores
in
the
Cylinder
Bore
X
Corrosion
Build-Up
in
the
Cylinder
Bore
or
on the
Piston
Surface
X
Bleeder
Screw
Still
Open
X
Caliper
Out
of
Parallel
with
Rotor
X