Renault Megane II oil pump drive replacement

General information

We replace the chain and the gear of the oil pump drive as a result of wear. We also remove the chain and the drive sprocket during a major engine overhaul.

Necessary tools and materials

13 mm, 16 mm, 18 mm, 10 mm sockets;
TORX E14;
four-sided key;
flat-blade screwdriver;
TDC setting retainer;
camshaft retainer;
engine oil;
container for draining the oil.

Conditions of execution: we carry out the work on a lift or over an inspection pit.

Preparatory operations

Preliminary work:

We drain the oil from the engine sump (see the article Replacing the engine oil and filter on a Renault Megane 2).
We remove the auxiliary drive belt (see the article Replacing the auxiliary drive belt on a Renault Megane 2).
We remove the timing belt (see the article Timing on a Renault Megane 2 2.0 engine (pulley with key)).
We remove the engine sump (see the article Removing and refitting the sump on a Renault Megane 2).
We remove the oil pump (see the article Repairing the oil pump on a Renault Megane 2).

Removing the oil pump drive

Crankshaft gear — We remove the crankshaft gear

Unscrewing the front cover bolts — We unscrew the bolts securing the crankshaft front cover

Prising up the front cover — We prise up the crankshaft front cover with a screwdriver

Removing the front cover — We remove the crankshaft front cover

Removing the chain and sprocket — We remove the chain. We withdraw the oil pump drive sprocket

Chain and sprocket removed — The oil pump drive chain and sprocket are removed

Refitting: we refit the parts in the reverse sequence.

Preparation before refitting

Cleaning the block mating surface — Before refitting the crankshaft front cover we clean the mating surface of the cylinder block

Preparing the cover:

We clean the cover of remnants of the old sealant.
We replace the oil seal.
We apply sealant to the mating surface of the cover and refit the cover.

Applying sealant to the cover — We apply sealant to the mating surface of the cover

Important! When refitting make sure that the chain is correctly tensioned and the sprockets are aligned. Use the TDC and camshaft retainers to ensure the correct position of the crankshaft and camshafts.

Recommendation: after refitting the oil pump drive pour in fresh engine oil, start the engine and check the oil pressure. Make sure there are no leaks or extraneous noises in the area of the drive.