500SEL (126.037) V8-5.0L (117.963) (1984)
Oil Pressure Regulator Valve: Service and Repair
Removal:
1
Drain engine oil.
2
On model 107, remove oil pan. On model 126, remove oil pan lower part.
3
Unscrew closing plug (10).
CAUTION: The closing plug is under pressure from the compression spring.