FORD MUSTANG 2003 Workshop Manual

7. Remove the RH muffler (5230) from the rear exhaust hanger insulator (5260).
8. Remove the LH muffler (5230) from the rear exhaust hanger insulator (5260).
9. Remove the LH intermediate exhaust hanger insulator.
10. Remove the LH and RH mufflers. Klj . 2 ba
32003 Mustang Workshop Manual
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11.
CAUTION: Do not use oil or grease- based lubricants on the insulators as they
deteriorate the rubber.
NOTE: A soap-and- water solution will ease installation of the exhaust hanger insulators.
To install, reverse the removal procedure. Klj . 3 ba
32003 Mustang Workshop Manual
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REMOVAL AND INSTALLATION
Muffler —
4.6L (4V)
Removal and Installation 1. Raise and support the vehicle. For additional information, refer to Section 100 - 02 .
2. NOTE: RH side shown, LH side similar.
Remove the dual converter assembly nuts.
3. Remove the RH exhaust hanger insulator (5260).
4. Remove the LH exhaust hanger insulator (5260). 5. Remove the RH intermediate exhaust pipe hanger insulator. SECTION 309-
00: Exhaust System 2003 Mustang Workshop Manual Klj . 1 ba
32003 Mustang Workshop Manual
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6. Remove the LH exhaust pipe hanger insulator.
7. Remove the RH exhaust pipe hanger insulator.
8. Remove the LH exhaust pipe hanger insulator.
9. Remove the RH and LH mufflers. Klj . 2 ba
32003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_2308/S3B~us~en~ ...

10.
CAUTION: Do not use oil or grease- based lubricants on the insulators as they
deteriorate the rubber.
NOTE: A soap-and- water solution will ease installation of the exhaust hanger insulators.
To install, reverse the removal procedure. Klj . 3 ba
32003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_2308/S3B~us~en~ ...

REMOVAL AND INSTALLATION
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 100 - 02 .
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.
SECTION 309-
00: Exhaust System 2003 Mustang Workshop Manual Klj . 1 ba
52003 Mustang Workshop Manual
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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. Klj . 2 ba
52003 Mustang Workshop Manual
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Installation
1. Position the LH dual converter. zSnug the LH converter- to-manifold nuts.
2. Position the RH dual converter pipe. zSnug 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. Klj . 3 ba
52003 Mustang Workshop Manual
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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. Klj . 4 ba
52003 Mustang Workshop Manual
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Klj . 5 ba
52003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_2308/S3B~us~en~ ...