Overhaul

WM 172637 Disassembling and assembling oil pressure control valve





Disassembling oil pressure control valve





Overview

Information:
The description only applies when installed.





Component overview

1 - Valve body; pay attention to the installation position
2 - Spring
3 - Sealing ring; replace
4 - M22 screw plug

1. Remove oil pan.

Information:
When unscrewing the oil pressure control valve, ensure that the screw plug is under spring pressure.
Do not let the valve body fall.
Note the installation location of the valve body.
More oil can leak out from the opening.

2. Unscrew screw plug of oil pressure control valve (a/f 19) -arrow-.





Screw plug of oil pressure control valve

3. Remove the four components of the oil pressure control valve. Always replace sealing ring.





Valve body

Assembling oil pressure control valve

Information:
Ensure that the installation opening of the oil pump housing is clean!
Note the installation location of the valve body.
Always replace sealing ring.

1. Guide in the valve body with the bores into the oil pump housing first.





Valve body

Information:
Screw in the screw plug by hand against the spring pressure.

2. Prevent the valve body from falling and screw in the spring, new sealing ring and screw plug.
3. Tighten screw plug (a/f 19) -arrow-. - Tightening torque: 33 ftlb.





4. Install oil pan.