Air Filter Cleaning; Removal - Mercury TDI 3.0L Owner's Operation And Maintenance Manual

Section 4 - Maintenance
9. Inspect the O‑ring in the pressure cap for damage and replace if necessary.
a
c
10. Install the pressure cap after the engine has reached normal operating temperature (with the thermostat fully open) and the
coolant level remains constant.
11. Observe the temperature gauge and check the engine for coolant leaks. If the temperature gauge indicates the presence of
excessive temperature or coolant is leaking, stop the engine immediately and inspect for the cause.
12. After the first operation, allow the engine to cool.
13. Remove the pressure cap and add the specified coolant to the level indicated on the expansion tank.
14. Install and securely tighten the pressure cap.

Air Filter Cleaning

Removal

1. Loosen the screw securing the air filter to the intake manifold and remove the air filter.
a
Using compressed air can cause serious injury. Always wear eye protection when working with compressed air to prevent
injury from ruptured hoses or flying debris.
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a -
b
b -
c -
50656
b
c
!
Pressure cap
Over pressure valve
O‑ring
a - Air filter
b - Screw
c - Intake manifold
50680
CAUTION
90-8M0145546 MAY 2018
eng