12
120 Workshop Manual, TSD3450E, Issue 1
2800
Engine oil cooler
To remove and to fit Operation 12-9
To remove
1 Drain the coolant from the engine.
2 Use a tray to collect any oil which may spill from the oil cooler during its removal.
3 Make temporary marks on the coolant duct (A2) and the oil cooler (A1) for correct alignment during
assembly. Remove the four bolts (A3) which retain the coolant duct (A2) and carefully separate the duct from
the oil cooler.
4 Remove the four bolts which retain the oil cooler (B1) on the oil filter header (B3).
5 Withdrawn the oil cooler from the elbow (B2), take care not to damage the seal.
6 Remove the ‘O’ ring seal from the elbow (B2).
Note: The matrix is not removable from the housing.
To fit
1 Clean the core tubes of the oil cooler with a 3,81 mm (0.150 in) diameter rod.
2 Check the condition of the ‘O’ ring seals used on the oil cooler and the oil filter header. Renew any ‘O’ ring
seal which appears to be worn or damaged. Apply clean engine oil to the seals before they are fitted.
3 Ensure that the ‘O’ ring seals are fitted to the oil filter header.
4 Fit the ‘O’ ring seal over the elbow (B2). Apply clean engine oil on the seal.
5 Align the oil cooler with the elbow and slide the oil cooler over the elbow. Fit the four bolts which retain the
oil cooler on the oil filter header.
6 Fit an ‘O’ ring seal to the coolant duct (A2) and fit the duct to the oil cooler. Fit the four bolts.
7 Fill the cooling system with the correct coolant mixture. Refer to the User’s Handbook.
8 Check the amount of lubricating oil in the sump. Add lubricating oil of the correct grade, if necessary. Refer
to the User’s Handbook.
9 Clean away any oil or coolant which has been spilled.