Oil Spray Jet: Service and Repair

Oil Check and Spray Nozzle Valve

• If irregular valve noise occurs repeatedly during short journeys and disappears after extended driving, the oil check valve must be replaced.

Removing

Vehicles with Aluminum Intake Manifold

- Remove intake manifold. Refer to => [ Intake Manifold ] Intake Manifold.

- Remove bolts - 1, 4, 5, 6, 7 - for the high pressure line retaining clamps.





- Disconnect electrical harness connectors at fuel injectors.

- Remove high pressure lines - 2 - and - 9 - from connections on fuel rail.

- Remove high pressure lines - 3 - and - 8 - from connections on fuel rail. To do this, counter hold at the hex with and open end wrench and loosen the union nut.

- Remove high pressure lines.

Vehicles with Plastic Intake Manifold

- Remove intake manifold. Refer to => [ Intake Manifold ] Intake Manifold.

- Remove the fuel pipe bolts - 1 -.





- Remove the union nuts - 2 and 3 -. Counter hold on the hex with an open end wrench.

- Remove the fuel pipe.

Continuation for All

- Remove the bolts - arrows -.





- Remove cover - 2 - with crankcase ventilation hose - 1 -.

- Remove seal.

- Remove oil check valve - 1 - and spray nozzle valve - 2 -.





Installing

Installation is performed in reverse order of removal, noting the following:

• Replace gaskets and O-rings.

- Install high pressure lines. Refer to => [ Fuel Injector ] Service and Repair.

- Install the intake manifold.

Vehicles with aluminum intake manifold, refer to => [ Intake Manifold ] Intake Manifold.

Vehicles with plastic intake manifold, refer to => [ Intake Manifold ] Intake Manifold.

Tightening Specifications