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6. Remove the bolts and the bypass tube.
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. Klj . 2 ba
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REMOVAL AND INSTALLATION
Water Pump —
3.8L
Removal and Installation 1. Drain the engine coolant. For additional information, refer to Cooling System Draining, Filling and Bleeding in this section.
2. Loosen the coolant pump pulley bolts.
3. Remove the power steering (PS) pump pulley. For additional information, refer to Section 211 -
02 .
4. Remove the bolts and the coolant pump pulley.
5. Remove the PS bracket. zRemove the bolts.
z Remove the nuts. 6. Disconnect the lower radiator hose from the coolant pump. SECTION 303-
03A: Engine Cooling 2003 Mustang Workshop Manual Material
Item Specification
Motorcraft Premium Gold
Engine Coolant
VC
-7-A (in Oregon VC-7- B)
(yellow color) WSS-
M97B51-
A1 Klj . 1 ba
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REMOVAL AND INSTALLATION
Water Pump —
4.6L(2V) and 4.6L(4V)
Removal and Installation
Mach I 1. Remove the air intake scoop. For additional information, refer to Section 303 - 12 .
Cobra
2. Remove the supercharger drive belt cover.
3. Rotate the supercharger belt tensioner clockwise and remove the supercharger drive belt.
4. Remove the coolant hose mounting bolt.
SECTION 303-
03A: Engine Cooling 2003 Mustang Workshop Manual Material
Item Specification
Motorcraft Premium Gold
Engine Coolant
VC
-7-A (in Oregon VC-7- B)
(yellow color) WSS-
M97B51-
A1 Klj . 1 ba
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5. Remove the belt idler bracket support assembly.
All vehicles 6. Drain the engine coolant. For additional information, refer to Cooling System Draining, Filling and Bleeding in this section.
7. Loosen the coolant pump pulley bolts.
8. Remove the accessory drive belt. For additional information, refer to Section 303 - 05 .
9. Remove the bolts and the coolant pump pulley. Klj . 2 ba
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10. Remove the four bolts and the coolant pump.
11. If necessary, wipe the coolant pump mounting surface with a soft cloth.
12.
CAUTION: Do not rotate the coolant pump housing once installed in the engine.
Damage to the O- ring seal can occur, causing the coolant pump to leak.
NOTE: Install a new O- ring seal and lubricate with the same clean engine coolant that is
present in the system. Do not mix coolant types.
To install, reverse the removal procedure. Klj . 3 ba
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REMOVAL AND INSTALLATION
Radiator
Removal and Installation
NOTE:
Radiator removal and installation is similar for both 3.8L and 4.6L vehicles. The art shown in
the procedure is the 4.6L engine.
Mach I
1. Remove the air intake scoop. For additional information, refer to Section 303 - 12 .
All vehicles 2. Drain the engine cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding in this section.
3. Remove the radiator sight shield. zRelease the clips.
4. Remove the fan blade, fan motor and fan shroud assembly. For additional information, refer to Cooling Fan Motor and Shroud in this section.
5. Remove the upper radiator hose from the radiator.
SECTION 303-
03A: Engine Cooling 2003 Mustang Workshop Manual Material
Item Specification
Motorcraft Premium Gold
Engine Coolant
VC
-7-A (in Oregon VC-7- B)
(yellow color) WSS-
M97B51-
A1 Klj . 1 ba
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REMOVAL AND INSTALLATION
Cooling Fan Motor and Shroud
Removal and Installation
1. Disconnect the battery ground cable.
2. Remove the degas bottle or coolant expansion tank. For additional information, refer to Degas Bottle — 4.6L(2V) and 4.6L(4V) in this section.
3. Disconnect the cooling fan electrical connector.
4. Separate the fan harness from the shroud.
5. Remove the LH bolt. 6. Remove the RH bolt. SECTION 303-
03A: Engine Cooling 2003 Mustang Workshop Manual Klj . 1 ba
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REMOVAL AND INSTALLATION
Water Bypass Hose —
3.8L
Removal and Installation 1. Drain the engine coolant. For additional information, refer to Cooling System Draining, Filling and Bleeding in this section.
2. Remove the bypass hose.
3. To install, reverse the removal procedure.
4. Fill and bleed the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding in this section.
SECTION 303-
03A: Engine Cooling 2003 Mustang Workshop Manual Klj . 1 ba
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