SLK 230 (170.447) L4-2.3L SC (111.973) (2000)
Oil Pressure Regulator Valve: Service and Repair
Removing And Installing Oil Pressure Relief Valve
1
Remove oil pan (10)
2
Remove screw plug (1)
CAUTION: Screw plug (1) is under pressure because of spring (2).
NOTE: Screw plug (1) seals with tapered seat (arrow).
3
Remove spring (2), filler pin (3) and control plunger (4)
-
Inspect for signs of wear.
NOTE: The control plunger (4) must be capable of slight movement in the oil-pump's hole.
4
Install in the reverse order.