Exhaust Manifold - RH

Exhaust Manifold - RH








Removal
1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Maintenance/Service and Repair.
2. Disconnect the battery ground cable. For additional information, refer to Battery.
3. Remove the 4 exhaust Y-pipe flange nuts.





4. Remove and discard the 8 exhaust manifold nuts.

5. NOTE: It may be necessary to raise the exhaust Y-pipe for additional clearance when removing the exhaust manifold from the vehicle.

Remove the RH exhaust manifold and discard the gaskets.
6. Remove and discard the 8 exhaust manifold-to-cylinder head studs.
7. Clean and inspect the exhaust manifold.

Installation

All engines

1. CAUTION: Do not use metal scrapers, wire brushes, power abrasive discs, or other abrasive means to clean the sealing surfaces. These may cause scratches and gouges resulting in leak paths. Use a plastic scraper to clean the sealing surfaces.

Clean the sealing surfaces with metal surface prep.
2. Install 8 new exhaust manifold-to-cylinder head studs.
^ Tighten to 12 Nm (9 lb-ft).

4.6L (2V) engine
3. Using new exhaust manifold gaskets, position the exhaust manifold and install the 8 new nuts in the sequence shown.
^ Tighten to 20 Nm (15 lb-ft).





5.4L (2V) engine
4. Using new exhaust manifold gaskets, position the exhaust manifold and install the 8 new nuts in the sequence shown.
^ Tighten to 25 Nm (18 lb-ft).





All engines
5. Position the Y-pipe flange and install the 4 nuts.
^ Tighten to 40 Nm (30 lb-ft).





6. Connect the battery ground cable. For additional information, refer to Battery.