Ford Mustang (1999-2004) Service Manual: Thermostat - 4.6L(4V)

Material

Item Specification
Motorcraft Premium Gold Engine Coolant VC-7-A (in Oregon VC-7-B) (yellow color) WSS-M97B51- A1

Removal and Installation

1. With the vehicle in neutral, position it on a hoist. For additional information, refer to Section.

2. Drain the engine coolant. For additional information, refer to Cooling System Draining, Filling and Bleeding in this section.

3. Remove the thermostat housing bolts.

Thermostat - 4.6L(4V)

4. Remove the coolant thermostat.

1. Separate the thermostat housing.

2. Remove the coolant thermostat and the O-ring seal.

  • Inspect the O-ring seal. Install a new seal, if necessary.

Thermostat - 4.6L(4V)

5. NOTE: The thermostat is indexed and must be returned to the original location.

NOTE: Make sure the new O-ring seal is secure around the thermostat.

To install, reverse the removal procedure.

6. Fill the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding in this section.

    Thermostat - 4.6L(2V)
    Material Item Specification Motorcraft Premium Gold Engine Coolant VC-7-A (in Oregon VC-7-B) (yellow color) WSS-M97B51- A1 Removal and Installation 1. Drain the engine coola ...

    Bypass Tube - 3.8L
    Material Item Specification Motorcraft Premium Gold Engine Coolant VC-7-A (in Oregon VC-7-B) (yellow color) WSS-M97B51- A1 Removal and Installation 1. Drain the engine coola ...

    Other materials:

    Floor mats
    WARNING: Always use floor mats that are designed to fit the footwell of your vehicle. Only use floor mats that leave the pedal area unobstructed. Only use floor mats that are firmly secured to retention posts so that they cannot slip out of position and inter ...

    Adjusting the headlamps
    The headlamps on your vehicle are properly aimed at the assembly plant. If your vehicle has been in an accident, an authorized dealer should check the alignment of your headlamps. Vertical Aim Adjustment 1. Park the vehicle directly in front of a wall or scre ...

    Engine (Installation)
    Special Tool(s) Spreader Bar 303-D089 (D93P-6001-A3) Support Bracket, Engine 303-639 Lifting Bracket, Engine 303-D087 (D93P-6001-A1) Lifting Bracket, Engine 303-D088 (D93P-6001-A2) Lifting Brac ...