Replacing the front crankshaft oil seal (Chevrolet Lanos T150)

We replace the front crankshaft oil seal when traces of oil appear on the surfaces of the oil pump housing and the engine oil pan under the auxiliary drive pulley. For clarity, we show the operations on a dismantled engine.

Remove the timing belt (see Checking the condition and replacing the timing belt). Remove the rear cover of the timing belt (see Removal the coolant pump). Remove the timing belt drive toothed pulley from the crankshaft nose.



We pry the seal off with a screwdriver..

…and remove it from the oil pump housing.

Apply a thin layer of engine oil to the working edge of the new oil seal and place the oil seal on the nose of the crankshaft.



We press the seal into the socket of the oil pump housing until it stops using a tool head or a piece of pipe of a suitable size.

We carry out the assembly in reverse order.