Remove/install oil pump

AR18.10-I-6020B

12.4.10

ENGINES 904.941 in MODEL 684.482

I18.10-0001-06

1 Oil pump housing

2 Screw

3 Dowel pin

4 O-ring

5 Connection fitting

6 Drive gear

7 Bracket

8 Screw

9 Screw

10 Intake manifold

11 Screw

14 Radial sealing ring

W18.10-1003-06

1 Oil pump housing

3 Dowel pin

5 Connection fitting

14 Radial sealing ring

15  Drift

16  Guide sleeve

17 Base

18 Oil pump unit

A Setback of radial sealing ring to oil pump housing

 	Remove/install
1	Remove vibration damper		AR03.30-I-1600B
2	Remove oil pan		AR01.45-I-7500B
3	Remove both holders (7)	 Installation: Install both holders (7) tension-free.
			*BA18.10-N-1004-01B
4	Remove intake manifold (10) from oil pump unit (18)		*BA18.10-N-1002-01B
5	Remove radial sealing ring (14)	 Installation: Replace radial sealing ring (14).	AR03.20-I-3000B
6	Remove oil pump housing (1) from cylinder crankcase	 Remove oil pump housing (1) carefully otherwise the sealing surface can be damaged.
		 Installation: Clean sealing surface on oil pump housing (1) and coat with sealing mass.	*BR00.45-Z-1009-01A
			*BA18.10-N-1001-01B
7	Remove O-ring (4)
8	Remove oil pump unit (18) from oil pump housing (1)		*BA18.10-N-1006-01B
	Checking
9	Check oil pump unit (18) for wear	 In case of wear the oil pump unit (18) should be installed new.
10	Install in the reverse order

 Timing case

Number	Designation		Engines 900.9, 902.9, 904.9, 906.9


BA18.10-N-1001-01B	Bolt, oil pump to crankcase	Nm	25
BA18.10-N-1002-01B	Bolt, intake manifold to oil pump	Nm	25
BA18.10-N-1004-01B	Bolt, bracket of oil pickup pipe to crankcase	Nm	50
BA18.10-N-1006-01B	Bolt, oil pump unit to oil pump housing	Nm	12

Repair materials

Number	Designation	Order number
BR00.45-Z-1009-01A	Sealing compound Loctite 574, 50 ml	A 001 989 89 20 10