2003 FORD MUSTANG Workshop Manual

Page 2945 of 4378

FORD MUSTANG 2003  Workshop Manual 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.

Page 2946 of 4378

FORD MUSTANG 2003  Workshop Manual 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,

Page 2947 of 4378

FORD MUSTANG 2003  Workshop Manual 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, m

Page 2948 of 4378

FORD MUSTANG 2003  Workshop Manual 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, posi

Page 2949 of 4378

FORD MUSTANG 2003  Workshop Manual 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.

Page 2950 of 4378

FORD MUSTANG 2003  Workshop Manual Klj .  5 ba
  52003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_2308/S3B~us~en~ ...

Page 2951 of 4378

FORD MUSTANG 2003  Workshop Manual REMOVAL AND INSTALLATION 
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 info

Page 2952 of 4378

FORD MUSTANG 2003  Workshop Manual 5. Remove the RH exhaust manifold flange nuts. 
6. Remove the LH exhaust manifold flange nuts. 
7. Remove the dual converter H-
pipe. 
8. If necessary, use the center of the LH flange as a baseline, m