Removing/installing the oil pressure relief valve

AR18.10-W-5031B

17.1.96

ENGINE 541.9 in MODELS 950, 952, 953, 954

ENGINE 542.9 in MODELS 950, 952, 954

W18.10-0004-11

1 Oil pressure relief valve

2 Bolt

Modification notes

11.3.05

Document revised completely.

 	Removing/installing
1	Remove oil pan		AR01.45-W-7500B
2	Unscrew bolts (2) and take off oil pressure relief valve (1)	 Catch the outflowing engine oil.
		 Installation: Clean sealing surfaces on oil pressure relief valve (1) using lint-free rags.
		Check the oil pressure relief valve (1) for swarf or foreign matter as well as easy movement of the piston and spring force of the spring; replace oil pressure relief valve (1) if necessary.
		 The oil pressure relief valve (1) must not be disassembled or repaired since it cannot be adjusted so this could therefore lead to a malfunction.
			*BA18.10-N-1003-01C
3	Install in reverse order
4	Fill engine oil circuit		AR18.00-W-1600B

 Oil pump

Number	Designation		Engine 541.9. 542.9


BA18.10-N-1003-01C	Bolt for oil pump and pressure relief valve on crankcase	Nm	35