Oil Pressure Regulation Valve (N428)

Oil Pressure Regulation Valve (N428)

Special tools, testers and auxiliary items required

• Oil Collecting and Extracting Device (V.A.G 1782)

Removing

Vehicles without the After-Run Coolant Pump (V51) :

- Remove the front noise insulation - 1 -..






- Remove the bolt - 1 - and nut - 3 - and the lock carrier left brace - 2 -.






- Place the (V.A.G 1782) under the engine.






- Remove the bolts - arrows - and lay aside the oil cooler with the coolant hoses - 1 and 2 - connected.

Vehicles with the After-Run Coolant Pump (V51) :

- Remove the after-run coolant pump. Refer to => [ After-Run Coolant Pump (V51) ] After-Run Coolant Pump (V51) and the oil cooler => [ Engine Oil Cooler ] Engine Oil Cooler.

All Vehicles

- Disconnect the connector - 1 -.






- Remove the bolt - 3 - and the oil pressure regulation switch - 4 -.

Installing

• Tightening specification, Service and Repair.

Install in reverse order, paying attention to the following:

• Replace O-ring - 2 -.

- Install the after-run coolant pump. Refer to => [ After-Run Coolant Pump (V51) ] After-Run Coolant Pump (V51).

- Install the oil cooler. Refer to => [ Engine Oil Cooler ] Engine Oil Cooler.

- Install the lock carrier brace.