LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lincoln >> 2003 >> Aviator AWD >> Repair and Diagnosis >> Transmission >> Automatic Transaxle/Transmission >> In-Vehicle Repair >> Park System >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Park System: Installation

  1. Install the components in the order indicated in the following illustration.
    Fig 1: Installation Sequence Of Park System (1 Of 2)
    G01635141Courtesy of FORD MOTOR CO.
    Fig 2: Installation Sequence Of Park System (2 Of 2)
    G01635142Courtesy of FORD MOTOR CO.
  2. On 4x4 vehicles, install the transfer case assembly. For additional information, refer to FOUR WHEEL DRIVE SYSTEMS .
  3. On 4x2 vehicles, install the driveshaft. For additional information, refer to DRIVELINE SYSTEM .
  4. On 4x2 vehicles, install the rear transmission support insulator. For additional information, refer to TRANSMISSION SUPPORT INSULATOR - 4x2 .
  5. On 4x2 vehicles, install the exhaust. For additional information, refer to EXHAUST SYSTEM .
  6. Partially fill the transmission. For additional information, refer to TRANSMISSION FLUID DRAIN AND REFILL - WITHOUT TORQUE CONVERTER DRAIN PLUG .

Item 2: Manual Control Valve Detent Inner Lever Installation Note 

  1. Install and assemble the manual valve inner lever and parking pawl actuating rod as shown.
    Fig 3: Installing Manual Valve Inner Lever
    G01635143Courtesy of FORD MOTOR CO.

Item 3: Manual Control Lever Shaft Installation Note 

    CAUTION: Align the flats on the manual valve inner lever with the flats on the manual control lever shaft.
    Fig 4: Installing Manual Valve Inner Lever And Parking Lever Actuating Rod
    G01635144Courtesy of FORD MOTOR CO.
  1. Align the flats on the manual valve inner lever with the flats on the manual control lever shaft. Install the manual valve inner lever and parking lever actuating rod onto the manual control lever shaft.

Item 4: Manual Control Lever Inner Nut Installation Note 

  1. Install the manual valve inner lever onto the manual shaft and loosely install the nut.
    Fig 5: Installing Manual Valve Inner Lever
    G01635145Courtesy of FORD MOTOR CO.

Item 5: Manual Control Lever Shaft Retaining Pin Installation Note 

    CAUTION: Use care not to damage the fluid pan rail surface when installing the retaining pin.
    NOTE: Align the manual control lever shaft alignment groove with the manual control lever shaft spring pin bore in the transmission case.
  1. Install the manual control lever shaft spring pin.
    • Tap the manual control lever shaft spring pin into the transmission case.
      Fig 6: Tapping Manual Control Lever Shaft Spring Pin Into Transmission Case
      G01635146Courtesy of FORD MOTOR CO.

Item 6: Manual Control Lever Inner Nut Installation Note 

    CAUTION: To avoid damage, do not allow the wrench to strike the manual valve inner lever pin.
    Fig 7: Tightening Nut
    G01635147Courtesy of FORD MOTOR CO.
  1. Tighten the nut.

Item 7: Manual Valve Detent Spring Installation Note 

  1. With the manual lever in the NEUTRAL position, install the manual valve detent spring.

Item 13: Extension Housing Installation Note 

    CAUTION: Make sure the parking lever actuating rod is correctly seated into the case parking rod guide cup.
    Fig 8: Installing 4X4 Extension Housing
    G01635148Courtesy of FORD MOTOR CO.
  1. Install the 4x4 extension housing.
  2. CAUTION: Make sure the parking lever actuating rod is correctly seated into the case parking rod guide cup.
    Fig 9: Installing 4X2 Extension Housing
    G01635149Courtesy of FORD MOTOR CO.
  3. Install the 4x2 extension housing.

Item 15: Transmission Fluid Filter Installation Note 

    CAUTION: Lubricate the fluid filter seals with clean automatic transmission fluid or they may be damaged.
    NOTE: Make sure that the fluid filter seals are correctly seated on the filter.
    Fig 10: Installing Seals To Transmission Fluid Filter
    G01635150Courtesy of FORD MOTOR CO.
  1. Lubricate the seals and install the transmission fluid filter.

Item 18: Transmission Fluid Pan Installation Note 

  1. Install the transmission fluid pan and gasket and loosely install the screws.
    Fig 11: Installing Transmission Fluid Pan And Gasket
    G01635151Courtesy of FORD MOTOR CO.

Item 19: Transmission Fluid Pan Screws Installation Note 

  1. Tighten the screws in a crisscross sequence.
    Fig 12: Tightening Transmission Fluid Pan Screws In A Crisscross Sequence
    G01635152Courtesy of FORD MOTOR CO.

Item 21: TR Sensor Installation Note 

    CAUTION: The digital TR sensor must fit flush against the boss on the case to prevent damage to the sensor.
    Fig 13: Installing Digital TR Sensor
    G01635153Courtesy of FORD MOTOR CO.
  1. Install the digital TR sensor and loosely install the screws.

Item 22: TR Sensor Screws Installation Note 

    CAUTION: Tightening one screw before tightening the other may cause the sensor to bind or become damaged.
    NOTE: The manual lever must be in the NEUTRAL position.
    Fig 14: Installing Special Tool
    G01635154Courtesy of FORD MOTOR CO.
  1. Using the special tool, align the digital TR sensor and tighten the screws in an alternating sequence.

Item 26: TR Sensor Electrical Connector Installation Note 

  1. Connect the digital TR sensor connector.
    Fig 15: Connecting Digital TR Sensor Connector
    G01635155Courtesy of FORD MOTOR CO.
  2. Move the rubber boot back over the connector.
    Fig 16: Removing Rubber Boot Back Over Connector
    G01635156Courtesy of FORD MOTOR CO.