Ford Mustang (1999-2004) Service Manual: Bypass Tube - Mach I

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. Remove the air intake scoop and bracket. 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. Disconnect the upper radiator hose from the bypass tube.

Bypass Tube - Mach I

4. Disconnect the lower radiator hose.

Bypass Tube - Mach I

5. Disconnect the engine temperature control (ECT) sensor electrical connector.

Bypass Tube - Mach I

6. Remove the bolts and the bypass tube.

Bypass Tube - Mach I

7. NOTE: Do not cut the O-ring seal during tube installation into cylinder heads or engine coolant leakage may occur.

NOTE: Wipe the O-ring sealing surface on the cylinder heads with a soft cloth, if necessary and lubricate the O-ring seal. Use premium engine coolant.

To install, reverse the removal procedure

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

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    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 ...

    Water Pump - 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:

    Engine Cooling (Diagnosis and Testing)
    Special Tool(s) Pressure Tester 014-R1072 or equivalent 73III Automotive Meter 105-R0057 or equivalent Worldwide Diagnostic System (WDS) 418-F224, New Generation STAR (NGS) Tester 418-F052, or equivalent scan ...

    Instrument Cluster Self-Diagnostic Mode
    To enter the instrument cluster self-diagnostic mode, press and hold the instrument cluster SELECT/RESET button, turn the ignition switch to the RUN position, and then continue pressing the SELECT/RESET button (five seconds) until tESt is displayed in th ...

    Installation
    1. Install the intake manifold and gaskets, tighten the bolts in the sequence shown. 2. NOTE: The O-ring is to be installed on the top of the thermostat. Install the water thermostat and the O-ring. Install a new O-ring as necessary. 3. Install the wa ...