Upper Steering Shaft Assembly Replacement. Isuzu Isuzu MD Steel Tilt (F Model) 1999

For 1990-2009 cars only

Makes 🢒 Isuzu 🢒 1999 🢒 Isuzu MD Steel Tilt (F Model) 🢒 Steering 🢒 Steering Wheel and Column - Tilt 🢒 Upper Steering Shaft Assembly Replacement

Removal Procedure

Position the front wheels and the steering wheel straight ahead.
Tilt the cab. Refer to Cab Tilting in General Information.

Mark the position of the steering gear input shaft and the lower cardan joint (1) of the lower steering shaft.
Remove the following components from the lower cardan joint (1):

•	The nut (2)

•	The washer

•	The cardan bolt (3)

Gently pry the lower cardan joint (1) off of the steering gear input shaft.
Retract the lower steering shaft toward the cab.
Close the cab slowly, in order to ensure the lower steering shaft does not come in contact with the cab.

Remove the steering wheel (3). Refer to Steering Wheel Replacement .
Push the boot (8) off of the cowl halves (5,12) and onto the lower steering shaft cover (9).
Remove the following components from the upper steering shaft assembly (7):

•	The left side cowl half screws

•	The right side cowl half screws

•	The left side cowl half (12)

•	The right side cowl half (5)

Remove the electrical connector from the combination switch (6).
Remove the following components from the upper steering shaft assembly (7):

•	The combination switch screws

•	The combination switch (4)

Remove the electrical connector from the ignition switch (6).
Remove the following components from the upper steering shaft assembly (7):

•	The ignition switch screws

•	The ignition switch (6)

Remove the following components from the wire harness:

•	The wiring harness screw

•

The clamp

Remove the tie wraps from the wiring harness, as necessary.

Remove the following components from the vehicle:

•	The upper steering shaft assembly mounting bolt (2)

•	The upper steering shaft assembly (1)

Installation Procedure

Install the following components to the vehicle:

•	The upper steering shaft assembly (1)

•	The upper steering shaft assembly mounting bolts (2)

Install the ignition switch (6) to the upper steering shaft assembly (7).

Secure the ignition switch with the following components:

•	The wiring harness clamp

•	The screws

Install the electrical connector to the ignition switch (6).
Install the combination switch (4) to the upper steering shaft assembly (7).

Secure the combination switch with screws.

Install the electrical connector to the combination switch (4).
Install the wiring harness clamp to the upper steering shaft assembly (7).

Secure the wiring harness clamp with a screw.

Install the tie wraps to the wiring harness, as necessary.
Install the following components to the upper steering shaft assembly:

•	The left side cowl half (12)

•	The right side cowl half (5)

Secure the cowl halves with screws.
Position the boot (8) over the lower steering shaft cover (9).
Install the steering wheel (3).
Slowly lower the cab. Ensure that the lower steering shaft does not come in contact with the cab.
Align the marks on the steering gear input shaft and the lower cardan joint (1) of the lower steering shaft.
Position the lower steering shaft lower cardan joint (1) on the steering gear input shaft.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

Install the following components:

•	The lower cardan joint (1)

•	The lower cardan joint bolt (3)

•	The lower cardan joint nut (2)

Tighten
Tighten to 55 N·m (41 lb ft).

Lower the cab.