Replacing distributor oil seals gasket

Replacing a distributor oil seal or gasket
Remove the distributor cap. Before removing the distributor (See Removing and refitting the distributor), mark the position of the rotor arm so that you can refit it just as it was.
To do this, turn the engine with a socket on the crankshaft pulley bolt until the rotor arm is pointing to the plug contact of the timing cylinder (usually No. 1, check in the car service manual), and the timing marks on or behind the pulley show exactly top dead centre (TDC).bearing seal.
Mark the position of the rotor arm by lightly scratching a line on the distributor body. Disconnect the LT lead from the distributor body.
Loosen the securing-clamp bolt at the base of the distributor, then carefully withdraw the distributor.Replacing distributor oil seals gasket.
If the drive gear has slanting teeth, they may cause the rotor arm to turn. If it does, mark its new position to aid refitting
Some distributors can be removed without separating the gears, and so the arm does not turn.shaft seal
There may be a rubber ‘0’ ring oil seal round the base of the distributor, or a paper gasket under the plate of the securing clamp. Remove either seal, clean away all dirt and oil, and fit the new one.
Refit the distributor, ensuring that the rotor arm is exactly in line with the first mark. If not, withdraw the distributor and try again.car seal.
Tighten the clamp bolt. Replace the LT lead and distributor cap, run the engine and check the timing (See Adjusting the static timing).