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Vehicle Speed Sensor Failure - Replace Only Sensor (94-018)

Publication date: 1994-11-01
Reference number: 94-018

VEHICLE SPEED SENSOR FAILURE - REPLACE ONLY SENSOR

VEHICLE SPEED SENSOR FAILURE - REPLACE ONLY SENSOR

TECHNICAL SERVICE BULLETIN

Reference Number(s): 94-018, Date of Issue:  November 1, 1994

VEHICLE SPEED SENSOR FAILURE

Model(s): 1991-94 Acura Legend

Group: Electrical

Bulletin No.: 94-018

Date: November 1, 1994

PROBLEM

Diagnosis (see section 23 of the service manual) shows that the Vehicle Speed Sensor is malfunctioning.

CORRECTIVE ACTION

Replace the VSS with the kit listed under PARTS INFORMATION  .

NOTE: This kit eliminates the need to replace the complete power steering assembly because of a malfunctioning VSS.
  1. Raise the car on a hoist.
  2. Disconnect the speed sensor assembly electrical connector from the harness.
  3. Disconnect the hoses from the speed sensor assembly, and plug the ends.
  4. Remove the mounting bolt. Remove the speed sensor assembly from the differential (See Fig 1 ).
    Fig 1: Speed Sensor Assembly
    G94C55774
  5. Remove the three Torx T20 tamper-proof screws. Remove the speed sensor assembly cover and lid seal (See Fig 2 ).
    Fig 2: Disassemble Speed Sensor Assembly and Replace VSS
    G94D55775
  6. Remove the mounting screws, then remove the VSS.
  7. Install the new VSS from the kit. Install the cover with a new lid seal and Torx screws from the kit. Install the new wire tie.
  8. Install a new O-ring on the speed sensor assembly. Reinstall the assembly in the car.
  9. Start the engine and turn the steering wheel from lock-to-lock several times to bleed air out of the power steering system. Turn off the engine.
  10. Check the power steering speed sensor for leaks. Check the reservoir; top it off if necessary.

PARTS INFORMATION

PARTS INFORMATION

Description Part Number
Vehicle Speed Sensor Kit (VSS, Lid Seal, 3 Torx Screws, Nylon Wire Tie) 06560-PY3-000
O-ring, 23.5 by 2 mm 91313-611-010

WARRANTY INFORMATION

IN WARRANTY

The normal warranty applies.

OUT OF WARRANTY

Any repair performed after warranty expiration may be eligible for goodwill consideration by the District Technical Manager or your Zone Office. You must request consideration, and get a decision, before starting work.

Operation No.: 513141

Flat Rate Time: 0.7 hour

Failed P/N: 56500-PY3-A01

Defect Code: 068

Contention Code: B01

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