Ford Mustang (1999-2004) Service Manual: Dual Converter Y-Pipe - 3.8L
Removal
NOTE: The RH and LH catalytic converters are serviceable separately.
1. Raise and support the vehicle. For additional information, refer to Section.
2. CAUTION: When repairing the exhaust system or removing exhaust components, disconnect all heated oxygen sensors (HO2S) (9F472) and catalyst monitor sensors at the wiring connectors to prevent damage to the sensors and wiring harnesses.
Disconnect the RH and LH HO2S connectors.

3. Disconnect the RH and LH catalyst monitor sensor connectors.

4. Remove the dual converter assembly nuts.

5. Remove the RH exhaust manifold flange nuts.

6. Remove the LH exhaust manifold flange nuts.

7. Remove the dual converter (5F250) assembly.

8. If necessary, use the two spot welds as a baseline, measure 226.8 mm (9.07 in) and cut the pipe.

9. Remove 13 mm (0.52 in) from the LH dual converter.

Installation
1. Position the LH dual converter.
- Snug the LH converter-to-manifold nuts.

2. Position the RH dual converter pipe.
- Snug the RH converter-to-manifold nuts.

3. If necessary, position the LH and RH dual converter pipes into the sleeve and install the clamps.
Tighten the clamps to 55 Nm (41 lb-ft).
4. Install the dual converter assembly nuts.

5. Tighten the LH converter-to-manifold nuts.

6. Tighten the RH converter-to-manifold nuts.

7. Connect the RH and LH HO2S connectors.
8. Connect the RH and LH catalyst monitor sensor connectors.
9. Lower the vehicle.
Muffler - 4.6L (4V)
Removal and Installation
1. Raise and support the vehicle. For additional information, refer to
Section.
2. NOTE: RH side shown, LH side similar.
Remove the dual converter assembly nuts.
3. Remove ...
Dual Converter H-Pipe - 4.6L (2V and 4V)
Removal
NOTE: The RH and LH catalytic converters are serviced separately.
1. Raise and support the vehicle. For additional information, refer to
Section.
2. CAUTION: When repairing exhaust system or ...
Other materials:
Cylinder Head (Disassembly and Assembly of Subassemblies)
Special Tool(s)
Compressor, Valve Spring
303-381(T91P-6565-A)
Compressor Spacer, Valve
Spring
303-382 (T91P-6565-AH)
Installer, Valve Stem Oil Seal
303-383 (T91P-6571-A)
Material
Item
Specification
Sup ...
Roller Followers
Special Tool(s)
Compressor, Valve Spring
303-452 (T93P-6565-AR)
Removal and Installation
1. Remove the LH and RH valve cover. For additional information, refer to
Valve Cover LH and
Valve Cover RH in this section.
2. Position the piston of t ...
General information
Radio Frequencies and Reception Factors
AM and FM frequencies are established by the Federal Communications
Commission (FCC) and the Canadian Radio and Telecommunications
Commission (CRTC). Those frequencies are:
AM: 530, 540–1700, 1710 kHz
FM: 87.9–107.7, ...
