Remove/install hydraulic line of power steering - AR46.25-P-3015SXZ

MODEL 221.176/179, 216.379 power steering pressure line, without electrohydraulic power steering (EHPS)

Fig 1: Identifying Power Steering Hydraulic Line Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove left-hand air filter housing		AR09.10-P-1150LA
2	Remove expansion reservoir (1, 2)	Power steering expansion reservoir	AR46.25-P-1000SY
2	Remove expansion reservoir (1, 2)	ABC expansion reservoir	AR32.50-P-0022SX
3	Detach pressure line (3) from power steering pump	Counterhold the front connector (9) using a wrench.
		Model 221 with code 487 Active Body Control (ABC)	*BA46.30-P-1005-01N
		Model 221 with AIRmatic	*BA46.30-P-1002-01F
		Model 216	*BA46.30-P-1009-01Q
4	Detach clamps (4, 5) of pressure line (3) from tandem pump and engine support	Vehicles with code 487 Active Body Control
5	Attach engine hoist		AR33.10-P-0105SX
6	Remove bottom engine compartment paneling	Vehicles without top protection	AR61.20-P-1105SX
6	Remove bottom engine compartment paneling	Vehicles with code Z07 Top protection	AR61.20-P-1105SXS
7	Remove bolt (6) from automatic transmission oil line bracket and from engine oil pan	Model 221 with code 487 Active Body Control (ABC)	*BA46.30-P-1015-01N
		Model 221 with AIRmatic	*BA46.30-P-1009-01F
		Model 216	*BA46.30-P-1014-01Q
8	Remove bolt (7) from alternator bracket	Vehicles with code 487 Active Body Control
		Model 221	*BA46.30-P-1014-01N
		Model 216	*BA46.30-P-1013-01Q
9	Detach clamp of pressure line (3) from rack-and-pinion steering	Model 221 with code 487 Active Body Control (ABC)	*BA46.30-P-1013-01N
		Model 221 with AIRmatic	*BA46.30-P-1010-01F
		Model 216	*BA46.30-P-1012-01Q
10	Remove bolt (8) of return and pressure line (3)	Model 221 with code 487 Active Body Control (ABC)	*BA46.30-P-1012-01N
		221 with AIRmatic	*BA46.30-P-1012-01F
		Model 216	*BA46.30-P-1011-01Q
11	Detach front engine mount from front axle carrier		AR22.10-P-1260SZ
12	Lift engine slightly and remove pressure line (3)
13	Install in the reverse order

POWER STEERING PUMP

Number	Designation		Model 216 with engine 275
BA46.30-P-1009-01Q	Union nut, high-pressure expansion hose of rack-and-pinion steering to tandem pump	Nm	40
BA46.30-P-1011-01Q	Bolt, high pressure line to rack-and-pinion steering	Nm	18
BA46.30-P-1012-01Q	Clamp/bracket of high-pressure expansion hose to rack-and-pinion steering	Nm	10
BA46.30-P-1013-01Q	Clamp/bracket of high pressure line of rack-and-pinion steering to alternator bracket	Nm	10
BA46.30-P-1014-01Q	Clamp/bracket of high-pressure expansion hose of rack-and-pinion steering to bracket of automatic transmission oil line	Nm	10

POWER STEERING PUMP

Number	Designation		Model 221 with code 487
BA46.30-P-1005-01N	Union nut, high pressure expansion hose of power steering to power steering pump	Nm	40
BA46.30-P-1012-01N	Bolt, high pressure line to power steering	Nm	20
BA46.30-P-1013-01N	Bolt, high-pressure expansion hose bracket to rack-and-pinion steering	Nm	10
BA46.30-P-1014-01N	Bolt, high pressure line of power steering to alternator bracket	Nm	8
BA46.30-P-1015-01N	Bolt, high-pressure line of power steering to automatic transmission oil line bracket	Nm	10

POWER STEERING PUMP

Number	Designation		Model 221 without code 487
BA46.30-P-1002-01F	Union nut, pressure line of power steering to power steering pump	Nm	40
BA46.30-P-1009-01F	Bolt, power steering pressure line bracket to engine oil pan	Nm	10
BA46.30-P-1010-01F	Bolt, high-pressure expansion hose bracket to rack-and-pinion steering	Nm	10
BA46.30-P-1012-01F	Bolt, high pressure line to power steering	Nm	20