Transfer Case: Other Ford Ranger II facelift

Electronic Shift Control System

4WD mode is selected using a rotary switch located on the instrument panel. With the vehicle ignition on, the on-board controller verifies and matches the shift motor position to the switch.

To shift in and out of 4WD low, 2 conditions must be met

1. The transmission must be placed in NEUTRAL for automatic transmissions or the clutch pedal must be fully depressed and the vehicle stopped for manual transmissions. The digital Transmission Range (TR) sensor completes the ground circuit in NEUTRAL (automatic transmissions). The Clutch Pedal Position (CPP) completes the sense signal to the speed control servo when the clutch pedal is fully depressed (manual transmissions).
2. The vehicle speed must be less than 5 km/h (3 mph).

The Borg-Warner 13-54 Electric Shift Transfer Case provides LOW RANGE driving. This system has no selectable neutral.

In the 2-Wheel Drive (2WD) mode, torque from the transmission is transferred to the input shaft assembly, which in turn drives the rear output shaft that drives the rear axle assembly.

The 2WD - 4WD shift is accomplished through the shifting of the lockup collar that engages the drive sprocket on the rear output shaft. The drive sprocket turns the drive chain, which turns the driven sprocket on the front output shaft assembly. The front output shaft assembly then drives the front driveshaft.

The high-low shift is accomplished when the reduction fork assembly moves the reduction hub to engage the complete carrier assembly to the output shaft. Torque from the input shaft assembly is then transmitted through the sun gear, which then turns the complete carrier assembly. The complete carrier assembly, now engaged to the output shaft, provides the reduction.

The unit is lubricated by a gerotor oil pump assembly that pumps the oil through the bore in the rear output shaft.

Refer to FOUR WHEEL DRIVE (4WD) SYSTEMS .

Material

ITEM SPECIFICATION

Scheme 117

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1. Remove the drain plug and drain the fluid. Clean and install the drain plug after the fluid is drained. Tighten to 24 Nm (18 lb-ft).
2. NOTE: Incorrect fluid fill may result in transfer case failure. NOTE: The fluid must be just below the fill plug hole. The fact that the fluid can be reached with a finger does not mean the fluid is at the correct level. Make sure the fluid is level with the filler opening for the correct fluid level. Clean the area around the fill plug and remove. Fill the transfer case. The total transfer case fill capacity is 1.2L (2.5 pt).
3. Install the fill plug. Tighten to 24 Nm (18 lb-ft).

ITEM SPECIFICATION

Scheme 120

ITEM DESCRIPTION

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1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to «JACKING AND LIFTING»(ref-365369) .
2. NOTE: Index-mark the front flange on the rear driveshaft and the flange on the transfer case. Disconnect the rear driveshaft from the transfer case and position the driveshaft aside. Index-mark the front flange on the driveshaft and the flange on the transfer case. Remove and discard the 4 rear driveshaft-to-flange bolts. Disconnect the driveshaft from the transfer case and position the driveshaft aside.
3. NOTE: Index-mark the rear output shaft and the flange. NOTE: The nut has a self-locking feature. Discard the nut and the washer after removing them. Use the Drive Pinion Flange Holding Fixture to prevent the flange from turning. Remove and discard the flange nut and the washer.
4. Using a suitable puller and the Drive Pinion Flange Holding Fixture, remove the flange.
5. Remove the oil seal if it remains on the rear output shaft.
6. Using the Oil Seal Remover, remove the rear output shaft seal.

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1. Clean the seal mounting surface.
2. Using the Drive Pinion Oil Seal Installer, install a new rear output shaft seal.
3. NOTE: Align the index marks. NOTE: Verify the oil seal is not on the shaft before installing the flange. Position the flange on the rear output shaft.
4. Install a new oil seal in the flange.
5. Using the Transmission Output Shaft Flange Installer, install the flange. Tighten the nut on the Transmission Output Shaft Flange Installer to 54 Nm (40 lb-ft) to seat the flange on the shaft.
6. Use the Drive Pinion Flange Holding Fixture to prevent the flange from turning. Install a new washer and a new flange nut. Tighten to 210 Nm (155 lb-ft).
7. NOTE: Align the index marks. Install the driveshaft with new bolts. If new bolts are not available, coat the threads of the original bolts with threadlock. Connect the driveshaft to the transfer case and install the 4 rear driveshaft-to-flange bolts. Tighten to 112 Nm (83 lb-ft).
8. Check the transfer case fluid level. If necessary, fill the transfer case to the correct level with the specified fluid. For additional information, refer to «TRANSFER CASE DRAINING AND FILLING»(ref-365429-S21188183442010070700000) .

ITEM SPECIFICATION

ITEM SPECIFICATION

Note. Automatic transmission shown in illustration, manual transmission similar.

Scheme 129

ITEM DESCRIPTION