F 150 4WD V8-5.4L VIN V Flex Fuel (2007)
Muffler: Service and Repair
Muffler and Tailpipe
Removal
CAUTION: Do not use oil or grease-based lubricants on isolators as they cause deterioration of rubber.
1. With the vehicle in NEUTRAL, position it on a hoist.
2. NOTE: Whenever the exhaust intermediate pipe-to-muffler assembly clamp is loosened, a new exhaust intermediate pipe and clamp assembly
must be installed.
Loosen the exhaust intermediate pipe-to-muffler and tailpipe assembly clamp.
3. Remove the bolt and the front muffler exhaust hanger bracket and isolator from the frame.
4. Remove the bolt and the rear muffler exhaust hanger bracket and isolator from the frame.
5. Remove the bolt and the tailpipe exhaust hanger bracket and isolator from the frame.
6. Remove the muffler and tailpipe assembly.
Installation
CAUTION: Do not tighten the fasteners until all components are assembled and aligned, making sure to tighten all fasteners beginning at the front of
the vehicle.
1. NOTE: Using an abrasive pad, clean the exhaust clamp surface area of any surface rust.
NOTE: Whenever the exhaust intermediate pipe-to-muffler assembly clamp is loosened, a new exhaust intermediate pipe and clamp assembly