Lubrication system: oil cooler

2.2 -

1	Oil cooler

2	Vibration-damping pad

Spacer

Screw

5	Oil return tube

6	Oil delivery tube

Nipple

8	Aluminium gasket

O-ring

Gasket

11	Thermistor

12	Cable guide

13	Guiding ring

Washer

Screw

Parts catalogue


1100	Oil cooler
1100S	Oil cooler

Caution

Bold reference numbers in this section identify parts shown in this exploded view diagram. These parts do not appear in the figures near the text.

Removing the oil cooler


Operations	Reference - See Section
Drain the circuit	D 4, Changing the engine oil and filter cartridge

Undo the nuts on the unions (A) and detach the delivery (6) and return hoses (5) at the cooler end.

Turn the oil cooler (1) forward so that oil cannot spill out.

Check the condition of the two O-rings (9) placed at the end of each hose coupling.

Take the connector (B) off thermistor (11).

Undo the nuts on the unions (C) and detach the delivery (6) and return hoses (12) at the engine end.

Now remove the nipples (7) that retain the hoses to the engine.

Check the seals (8) and replace as required.

Loosen the screw (4), remove the spacer (3) and vibration damper (2).

Remove radiator (1) from front subframe pins, sliding it toward generator side.

Remove the connection nipples (7) from the cooler, check the seals (8) and replace as required.

Remove the vibration dampers (2); check their condition and replace them if needed.

Release the cable guides (12) and (13) to remove the tube (5).

Note

The oil cooler can be removed with the tubes attached.

Oil cooler inspection

Visually inspect the oil cooler.

Replace oil cooler if damaged or leaking.

Refitting the oil cooler

Note

Lubricate the threads of pipe fittings (5) and (6) and their O-rings (9) with engine oil.

Fit the vibration dampers (2) to the horizontal head and tighten them to the specified torque (Sect. C 3, Frame torque settings).

Install gasket (8) onto nipple (7).

Gasket should be fitted on the nipple side having the smaller thread and should be set with the sharp edge facing the cooler.

Smear nipple thread (7) with threadlocker.

Start nipple (7) with seal (8) in the delivery hole or return hole and tighten to the specified torque (Sect. C 3, Frame torque settings) holding cooler hexagon fastener.

Position the oil cooler (1) to the vibration dampers (2) and secure it in place using the spacers (3) and the screws (4).

Tighten the oil cooler retaining screws (4) to the specified torque (Sect. C 3, Frame torque settings).

Insert the end of the unions (A) and (C) into the nipples. Screw in the union nuts manually until fully home.

Check that the hoses are in the correct positions and tighten the unions (A) and (C) to the specified torque (Sect. C 3, Frame torque settings).

Insert the lines (5) into the cable guides (12) and (13).

If thermistor (11) was removed, fit seal (10) on thermistor, sharp edge must be facing the cooler.

Apply the specified sealant to the thermistor thread (11) and tighten thermistor to the specified torque (Sect. C 3, Frame torque settings).

Reconnect the connector (B) to thermistor (11).


Operations	Reference - See Section
Fill the oil circuit	D 4, Changing the engine oil and filter cartridge