Range Rover (LP) V8-4.6L (2001)
Intake Air Plenum: Service and Repair
Service repair no - 19.22.46
Remove
1. Remove upper inlet manifold gasket.
1. Remove 4 bolts securing throttle body to plenum chamber, remove throttle body and collect gasket.
3. Remove breather hose adaptor.
4. Remove 4 bolts securing plenum chamber to upper manifold and remove plenum chamber.
5. Collect plenum chamber gaskets.
Refit
6. Clean plenum chamber and upper manifold mating faces.
7. Using new gaskets, position plenum chamber, fit bolts and tighten to 22 Nm (16 labor.ft).
8. Fit and tighten breather adaptor to 6 Nm (4.5 labor. ft).
9. Clean plenum chamber and throttle body mating faces.
10. Using a new gasket, position throttle body, fit bolts and tighten to 9 Nm (6 labor. ft).
11. Fit upper inlet manifold gasket.