300SD (126.120) L5-3.0L DSL Turbo (617.951) (1982)
Oil Pressure Regulator Valve: Service and Repair
66
Closing plug
67
Compression spring
68
Pin
69
Piston
Removal
1
Remove oil pan lower half.
2
Unscrew closing plug (66).
Attention!
Closing plug is under pressure of compression spring (67).
3
Remove compression spring (67), pin (68) and piston (69).
Installation
4
Install piston (69), pin (68) and compression spring (67).
5
Screw in closing plug (66) with new sealing ring and tighten to 35 - 45 Nm.
6
Install oil pan lower half with new gasket and tighten screws to 9 - 11 Nm.