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3.4.14. Oil pump

The oil pump is located in a chain cover therefore removal of the oil pump is made along with a chain cover.

Check

PERFORMANCE ORDER
1. Unscrew screws and uncover the pump an internal part of a cover of a chain.
2. Using a marker, note a relative positioning of an internal and external rotor of the oil pump.
3. Remove internal (at the left) and external (on the right) rotors of the oil pump.
4. Unscrew a bolt of fastening of the safety valve of pressure from the chain cover basis.
5. Take a spring and the plug of the safety valve of pressure.
6. Take a plunger of the safety valve of pressure, remove a sealing ring from a bolt.
7. Unscrew a safety valve bolt from a back part of a cover of a chain.
8. Remove a spring and a pusher of the valve of safety.
9. Clear all details of the oil pump and investigate rotors and pushers of valves on existence of wear or development. If necessary replace worn-out details.
10. Collect the oil pump in the sequence, the return dismantling, taking into account the next moments:

 – check that rotors are established according to earlier put tags;
 – establish new sealing rings to bolts of fastening of the safety valve and valve of safety;

 – tighten screws of fastening of a cover of the oil pump the required moment;
 – fill the pump with engine oil, turning at the same time an internal rotor of the oil pump.

Installation

PERFORMANCE ORDER
Install a chain cover on the engine.