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1.
Vehicle pulls to one side during braking |
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- Defective, damaged or oil contaminated disk pads
on one side. Inspect.
- Excessive wear of brake pad material or disk on
one side. Inspect and correct as necessary.
- Loose or disconected front suspension parts.
Inspect and tighten all bolts to specified torque.
- Defective caliper assembly. Remove caliper and
inspect for stuck piston or other damage.
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2.
Noise (High pitched squeal when brakes are applied)
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- Disc brake pads worn out. The noise comes from
the wear sensor rubbing against the disc. Replace
pads with new ones emmediatly.
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3.
Excessive brake pedal travel
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- Partial brake system failure. Inspect entire
system and correct as required.
- Insufficient fluid in master cylinder. Check, add
fluid and bleed system if necessary.
- Rear brakes not adjusting properly. Make a series
of starts and stops while the vehicle is in
reverse. If this does not correct the situation,
remove the drums and inspect the self adjusters.
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4. Brake
pedal feels spongy when depressed |
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- Air in hydraulic lines. Bleed the brake system.
- Faulty flexible hoses. Inspect all system hoses
and lines. Replace parts as necessary.
- Master cylinder mounting bolts/nuts loose.
- Master cylinder defective.
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5.
Excessive effort required to stop vehicle |
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- Power brake booster not operating properly.
- Excessively worn linings or pads. Inspect and
replace if necessary.
- One or more caliper pistons or wheel cylinders
seized or sticking. Inspect and rebuild as
required.
- Brake linings or pads contaminated with oil or
greese. Inspect and replace as required.
- New pads or shoes installed and not yet seated.
It will take a while for the new material to seat
against the rotor/drum.
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6. Pedal
travels to the floor with little resistance |
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- Little or no fluid in the master cylinder
reservoir caused by leaking wheel cylinder,
leaking caliper piston, loose, damaged or
disconected brake lines. Inspect entire system
and correct as necessary.
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7. Brake
pedal pulsates during brake application |
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- Wheel bearings not adjusted properly or in need
of replacement.
- Caliper not sliding properly due to improper
installation or obstructions. Remove and inspect.
- Disc defective. Remove and inspect checking for
excessive lateral runout and parallelism. Have
the disc resurfaced or replaced with a new one.
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