Right-hand side oil seal
1 The front oil seal is located in the oil pump casing on the front of the crankshaft of Fiat Punto. Remove the timing belt as described in Section 5 and the crankshaft sprocket.
2 Using a small screwdriver, carefully prise the oil seal from the oil pump casing, taking care not to damage the surface of the crankshaft of Fiat Punto (see illustration).



Carefully prise the crankshaft right-hand oil seal from the oil pump casing


3 Clean the seating in the housing and the surface of the crankshaft. To prevent damage to the new oil seal as it is being fitted, wrap some adhesive tape around the end of the crankshaft and lightly oil it.
4 Lubricate the oil seal lip with clean engine oil then offer it up to the oil pump casing. Ensure that the sealing lip is facing inwards (see illustration).



Locate the new oil seal on the oil pump casing with the sealing lips facing inwards


5 Using a suitable tubular drift, drive the oil seal squarely into the casing (see illustration). Remove the adhesive tape.



Using a suitable tubular drift, drive the oil seal squarely into the casing


6 Refit the crankshaft sprocket and timing belt.

Left-hand side oil seal of Fiat Punto
Note: The following paragraphs describe renewal of the oil seal leaving the housing in position.
7 Remove the flywheel.
8 Using a suitable hooked instrument, remove the oil seal from the oil seal housing, taking care not to damage the surface of the crankshaft.
9 Clean the seating in the housing and the surface of the crankshaft. Check the crankshaft for burrs which may damage the sealing lip of the new seat, and if necessary use a fine file to remove them.
10 Dip the new seal in clean engine oil and carefully locate it over the crankshaft flange making sure that it is the correct way round.
11 Progressively tap the oil seal housing keeping it square to prevent distortion. A block of wood is useful for this purpose.
12 Refit the flywheel of Fiat Punto.