Ford Sierra Manual

Crankshaft front oil seal - renewal
SOHC engines / Crankshaft front oil seal - renewal


1.8 litre (R2A type)
1 Remove the timing belt and the crankshaft sprocket and thrustwasher.

2 Withdraw the oil seal using an oil seal removal tool or by drilling the oil seal outer face and using self-tapping screws and a pair of grips.

3 Clean the oil seal housing, then smear the lip of a new oil seal with clean engine oil.

4 Fit the oil seal using the crankshaft pulley bolt and a suitable tool similar to that shown (see illustration).

25.4 Using a special tool to fit the crankshaft front oil seal - 1.8 litre
25.4 Using a special tool to fit the crankshaft front oil seal - 1.8 litre (R2A)

5 As the seal is drawn into position, the inner edge of the seal may be damaged as it passes over the end of the shaft. To prevent this, as soon as the seal begins to locate in the housing remove the tools being used to fit the seal, and carefully work the inner edge of the seal over the end of the crankshaft, using a small screwdriver or similar blunt tool. The seal can then be pushed home using the tools described previously (see illustration).

25.5 Crankshaft front oil seal (arrowed) located in oil pump housing - 1.8
25.5 Crankshaft front oil seal (arrowed) located in oil pump housing - 1.8 litre (R2A)

6 Refit the thrustwasher, crankshaft sprocket and timing belt.

1.6 and 1.8 litre (R6A type) 7 Remove the timing belt, and the crankshaft sprocket and thrustwasher.

8 Proceed as described in paragraphs 2 to 4 inclusive.

9 Refit the thrustwasher, crankshaft sprocket and timing belt.


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