Removing/installing the oil pump

AR18.10-W-6020B

17.1.96

ENGINE 541.9 in MODELS 950, 952, 953, 954

ENGINE 542.9 in MODELS 950, 952, 954

W18.10-1004-11

1 Oil pickup pipe

2 Seal

3 Transmission oil pump

4 Oil pressure relief valve

Modification notes

11.3.05

Document revised completely.

 	Removing/installing
1	Remove oil pan		AR01.45-W-7500B
2	Remove oil pickup pipe (1) bracket on crankcase		*BA18.10-N-1002-01C
3	Remove oil pressure relief valve (4)	 Collect engine oil which flows out.	AR18.10-W-5031B
4	Take off oil pump (3) with flanged oil pickup pipe (1) from crankcase		*BA18.10-N-1003-01C
5	Remove oil pickup pipe (1) from oil pump (3)	 Installation: Clean sealing surfaces using lint-free rags and replace seal (2).
			*BA18.10-N-1001-01C
	Checking
6	Check oil pump (3) for wear	 Only for the complaint that the engine oil pressure is too low. Also disassemble the oil pump (3): 
		Disassembling / assembling the oil pump (3).	AR18.10-W-6030A
7	Install in reverse order
8	Fill engine oil circuit		AR18.00-W-1600B

 Oil pump

Number	Designation			Engines 541.9. 542.9


BA18.10-N-1001-01C	Bolt for intake manifold on oil pump		Nm	25
BA18.10-N-1002-01C	Bolt for bracket of oil pump suction pipe on crankcase	M8	Nm	25
		M12	Nm	80
BA18.10-N-1003-01C	Bolt for oil pump and pressure relief valve on crankcase		Nm	35