Step
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Action
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Yes
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No
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DEFINITION: Braking action or stopping force sensitive or grabbing
and/or more pronounced at the front or at the rear axle. Sensitive
or grabbing brakes: Excessive brake jump-in force relative to brake
pedal input.
|
1
|
Were you sent here from the Hydraulic Brake Symptom table?
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Go to Step 2
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-
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2
|
|
1. |
Inspect the hydraulic brake system for the
following conditions. |
• |
Improper operation of wheel cylinder pistons, if
equipped |
• |
Improper operation of caliper pistons |
• |
Kinked, pinched or damaged brake pipe or flexible
brake hose |
• |
Improperly functioning proportioning valve, if
equipped |
• |
Improper operation of dynamic rear proportioning
(DRP) system, if equipped |
Did you find and correct a condition?
|
Go to Step 6
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Go to Step 3
|
3
|
|
1. |
Inspect the disc brake system for the following
conditions. |
• |
Distorted, cracked or damaged linings |
• |
Excessively worn linings |
• |
Damaged or excessively worn caliper hardware
and/or lining hardware |
• |
Hard spots, heat checks, blueing discoloration of
rotor friction surfaces |
• |
Glazed rotor friction surfaces |
Did you find and correct a condition?
|
Go to Step 6
|
-
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4
|
|
1. |
Inspect the suspension system for the following
conditions. |
• |
Loose suspension component connections |
• |
Excessively worn or damaged suspension
components |
|
2. |
Adjust, repair or replace components as
necessary. |
Did you find and correct a condition?
|
Go to Step 6
|
Go to Step 5
|
5
|
|
1. |
Inspect the brake assist system for the following
conditions. |
• |
Binding, bent or damaged pedal pushrod, pedal, or
pedal bracket |
• |
Damaged or improperly operating vacuum booster, if
equipped |
• |
Damaged or improperly operating hydraulic booster,
if equipped |
Did you find and correct a condition?
|
Go to Step 6
|
-
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6
|
|
1. |
Install or connect components that were removed or
disconnected during diagnosis. |
Is the condition still present?
|
Go to Step 2
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System OK
|