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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (Chassis Diagnostic Procedures - Anti-Lock Brake System) >> Diagnostic Information And Procedures >> Brakes (Cab) - Symptoms >> Symptom: EXCESSIVE DUMP TIME - 69 >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
  1. BRAKE SYSTEM MECHANICAL CONCERN
  2. TONE WHEEL CONCERN
  3. WHEEL BEARING FAULT
  4. WHEEL SPEED WIRING HARNESS CONCERN
  5. HCU INTERNAL CONCERN
  6. LOADED WHEEL BEARING/SUSPENSION CONCERN
TEST ACTION AND APPLICABILITY

TEST ACTION APPLICABILITY
1 Inspect the front and rear brakes for anything that would cause the wheel(s) to lock during braking.
Is there anything mechanically wrong with the Braking System?
  1. Yes --> Repair the mechanical braking system as necessary.

    Perform ABS VERIFICATION TEST - VER 1.

  2. No --> Go To 2
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2 Turn the ignition off.
Inspect the Tone Wheel for damaged, missing teeth or looseness.
NOTE: The Tone Wheel Teeth should be perfectly square, not bent or nicked.

Is the Tone Wheel OK?
  1. Yes --> Go To 3
  2. No --> Replace the Tone Wheel in accordance with the Service Information.

    Perform ABS VERIFICATION TEST - VER 1.

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3 Turn the ignition off.
Inspect the wheel bearings for excessive run out or clearance.
Is the bearing clearance OK?
  1. Yes --> Go To 4
  2. No --> Repair as necessary.

    Perform ABS VERIFICATION TEST - VER 1.

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4 Engine Running.
Raise and support the vehicle.
With the DRBIII® in Sensors, read the Wheel Speed Sensor signals.
WARNING: BE SURE TO KEEP HANDS, FEET AND CLOTHING CLEAR OF ROTATING COMPONENTS.

Allow the drive wheels to rotate.
Rotate the non-driven wheels by hand.
Wiggle Wheel Speed wiring harnesses.
With the DRBIII® in Sensors, read the Wheel Speed Sensor outputs.
Is there a wheel speed dropout when a wiring harness is wiggled?
  1. Yes --> Repair the Wheel Speed wiring harness as necessary.

    Perform ABS VERIFICATION TEST - VER 1.

  2. No --> Go To 5
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5
CAUTION: Ensure vehicle has braking capability before road test.
Engine Running.With the DRBIII® in Sensors, read the Wheel Speed Sensor outputs.
NOTE: Have an assistant drive the vehicle, while monitoring the DRBIII®.
Road test vehicle so wheel bearings and suspension are loaded.With the DRBIII® in Sensors, read the Wheel Speed Sensor outputs.Is there a Wheel Speed Sensor dropout?
  1. Yes --> Repair as necessary.

    Perform ABS VERIFICATION TEST - VER 1.

  2. No --> Replace the Hydraulic Control Unit in accordance with the Service Information.

    Perform ABS VERIFICATION TEST - VER 1.

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