Remove/install power steering pump · ar4630s0500a · Mercedes-Benz WIS

AR46.30-S-0500A

Remove/install power steering pump

8.9.11

STEERING 763.000 in MODEL 638 with ENGINE 111.948 /950 /978 /980, 601.942 /970

S46.30-1006-06

Location, engines 111.948 and 601.942

1 High pressure expansion hose

2 Return flow pipe

3 Belt pulley

4 Power steering pump

5 Reservoir

S46.30-1002-06

Location, engine 601.970

1 High pressure expansion hose

2 Return flow pipe

3 Belt pulley

4 Power steering pump

5 Reservoir

 	Remove/Install
1	Evacuate oil from power steering pump (4).	 Hand pump	*112589007200
2	Remove front grille	 On engine 601.970 remove hose between charge air cooler and intake pipe.	AR88.00-S-2115A
3	Remove high pressure expansion hose (1).	 Replace sealing ring.
			*BA46.30-N-1003-01A
4	Disconnect return line (2)
5	Loosen screw on pulley (3)	 On engines 111.948 and 601.942 remove air intake pipe.
			*BA46.30-N-1004-01A
6	Remove poly V-belt		AP13.22-D-1381A
7	Remove belt pulley (3)
8	Remove power steering pump (4)	On engine 111.9 remove additional strut.
			*BA46.30-N-1001-01A
9	Empty power steering pump (4).		*BF46.30-N-1001-01A
10	Install in the reverse order
	Check
11	Checking steering system for leaks		AP00.20-D-0050A

 Power steering pump

Number	Designation			Model 638 with steering 763.000


BA46.30-N-1001-01A	Power steering pump to timing case cover / carrier		Nm	21
BA46.30-N-1003-01A	High pressure expansion hose to power steering pump	–	Nm	38
		VDA pump	Nm	-
		VT pump	Nm	-
BA46.30-N-1004-01A	Bolts of belt pulley to power steering pump		Nm	30

 Power steering pump

Number	Designation			Engine 104.900, 111.948/978	Engine 601.942/970, 611.980


BF46.30-N-1001-01A	Steering gear oil	Filling quantity	Liters	 1,35	 1,35
		Specifications for Operating Fluids	Sheet	BB00.40-P-0236-03A	BB00.40-P-0236-03A

112 589 00 72 00

Hand pump