Ford F150 Pickup. Instruction - part 1840

Fig. 38: Identifying Parking Rod Guide Plate 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

2003 AUTOMATIC TRANSMISSIONS Servicing - Blackwood, Econoline, Excursion, Expedition, "F" Series Pickup & 

Navigator

  

Fig. 39: Removing Parking Mechanism 
Courtesy of FORD MOTOR CO. 

Installation 

To install, reverse removal procedure. Ensure return spring end rests on inside surface of case, and parking rod 
guide plate dimple is facing inward. 

TRANSMISSION RANGE SENSOR 

Removal 

1. Place vehicle in Neutral. Disconnect negative battery cable. Raise and support vehicle.  

2. For RWD Navigator, remove dampener and bolts.  

3. Remove insulator-to-crossmember support nuts. Remove LH and RH heatshield-to-crossmember bolts. 

 

2003 Ford Pickup F150 

2003 AUTOMATIC TRANSMISSIONS Servicing - Blackwood, Econoline, Excursion, Expedition, "F" Series Pickup & 

Navigator

  

4. Attach a jack to transmission. Remove crossmember and bolts. Lower rear of transmission to gain access 

to sensors.  

5. Disconnect shift cable from instruction control lever.  

6. Disconnect Transmission Range (TR), sensor harness connector. Remove instruction control lever from shift 

cable. Remove 2 retaining bolts and TR sensor from case.  

Installation 

1. Install TR sensor onto instruction control lever shaft. Install 2 retaining bolts, but do not tighten. Place TR 

sensor in neutral position (2 detent positions back from Park). Adjust TR sensor. See TRANSMISSION 
RANGE SENSOR under ADJUSTMENTS. After adjusting TR sensor, tighten retaining bolts to 
specification. See TORQUE SPECIFICATIONS .  

2. Install instruction control lever to TR sensor and tighten nut to specification. See TORQUE 

SPECIFICATIONS . Connect shift cable to instruction control lever. Install harness connector to TR 
sensor. Lower vehicle and connect negative battery cable. Activate air suspension, if equipped.  

TURBINE SHAFT SPEED SENSOR & OUTPUT SHAFT SPEED SENSOR (4R100) 

Removal 

Place vehicle in Neutral. Raise and support the vehicle. For RWD Navigator, remove dampener and bolts. 
Remove insulator-to-crossmember support nuts. Remove LH and RH heatshield-to-crossmember bolts. Attach 
jack to transmission. Remove crossmember and bolts. Lower rear of transmission to gain access to sensors. 
Disconnect the affected sensor(s), either the Turbine Shaft Speed (TSS) or Output Shaft Speed (OSS) sensor. 
See Fig. 40 . Remove the TSS retaining bolt. Remove the TSS. Position the Heated Oxygen Sensor (HO2S) 
harness connector out of the way. Remove the OSS retaining bolt. Remove the OSS sensor. 

CAUTION: DO NOT raise transmission so that case contacts underbody. Raising 

transmission too high may cause damage to Turbine Shaft Speed (TSS) or 
Output Shaft Speed (OSS) sensors.

 

2003 Ford Pickup F150 

2003 AUTOMATIC TRANSMISSIONS Servicing - Blackwood, Econoline, Excursion, Expedition, "F" Series Pickup & 

Navigator

  

Fig. 40: Locating Turbine Shaft Speed & Output Shaft Speed Sensors 
Courtesy of FORD MOTOR CO. 

Installation 

Lubricate the "O" ring and install the OSS sensor. Install the OSS retaining bolt and tightened to specification. 
Position the HO2S harness connector back in place. Lubricate the "O" ring and install the TSS. Install the TSS 
Retaining Bolt and tighten to specification. See TORQUE SPECIFICATIONS . Connect the OSS or TSS 
sensor harness connector. Install crossmember to transmission mount. Raise transmission and align bolt holes. 
Install mount-to-crossmember nuts. Tighten nuts to specification. See TORQUE SPECIFICATIONS . Install 
insulator-to-crossmember bolts. Tighten bolts to specification. See TORQUE SPECIFICATIONS . Install LH 
and RH heat shield-to-crossmember bolts. Tighten bolts to specification. See TORQUE SPECIFICATIONS . 
For RWD Navigator only, install dampener and bolts. Tighten bolts to specification. See TORQUE 
SPECIFICATIONS . Remove transmission jack. Lower the vehicle. 

VALVE BODY, ACCUMULATOR BODY & SOLENOID BODY (4R100) 

NOTE:

If the transmission has been disassembled to replace worn or damaged parts, 
and the valves in the main control valve body stick repeatedly from foreign 
material, the torque converter must be removed and cleaned by using a suitable 
torque converter/fluid cooler cleaner.

 

2003 Ford Pickup F150 

2003 AUTOMATIC TRANSMISSIONS Servicing - Blackwood, Econoline, Excursion, Expedition, "F" Series Pickup & 

Navigator