105
Cooling system
Oil cooler, replacement
(20A-09)
Applies to MD22A, MD22L-A, TMD22A
The pipes in the oil cooler do not usually need
cleaning because the coolant which passes through
them comes from the closed freshwater circuit.
1
Drain the coolant circuit, operation 20A-01.
2
Disconnect hose connectors to oil cooler.
3
Disconnect hose connectors to oil cooler.
4
Make a mark with a felt-tip pen on the oil cooler
housing and on the clamp (A1) in order to be able to
reinstall the oil cooler in the same position.
5
If the oil cooler must be removed: Remove the three
mounting screws from the clamp. Then remove the
clamp and the oil cooler (A) from the suspension
bracket.
6
Check the components for signs of damage and re-
place if necessary.
7
If the oil cooler and suspension bracket have been
removed: Hold the unit in position and install the
two front mounting screws. Install the rear mounting
screw through the bracket to the main oil pump and
the spacer sleeve into the cylinder block. Ensure
that the oil cooler housing is in the correct position.
Tighten the front mounting screws to 22 Nm and the
rear screw to 43 Nm.
If only the oil cooler has been removed: Place the
oil cooler in the correct position, install the clamp
and tighten the three mounting screws to 22 Nm.
8
Connect the coolant hoses and the engine oil pipe.
9
Fill the coolant circuit, operation 20A-02.
10
Run the engine and check for leakage.
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