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Pressure or Return Lines – Steering Gear,
Replace (Vehicles with LHD except Y 25 DT)
 Remove
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Remove ground cable from battery. Disconnect pressure line on
steering box (1) and from power assisted steering pump (2). On
vehicles with diesel engines, additionally loosen alternator and
pull to the front – see operation "Alternator, Remove and
Install" in group "J".
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Caution
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Fluid escapes, collect and close off openings.
Remove
Remove return line (1) from steering gear.
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Raise vehicle. Remove hydraulic modulator heat shield. Remove
return line (1) from coolant loop and remove return line.
Caution
Fluid escapes, collect and close off openings.
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Install
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Connect return line (1) and tighten hose clamp. Screw on
hydraulic unit heat shield – tightening torque 8 Nm / 6 lbf.
ft.
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Lower vehicle. Connect pressure line with new O-ring (1) to
power assisted steering pump – tightening torque 28 Nm / 21
lbf. ft.
On vehicles with diesel engines: Connect pressure and return
line to power assisted steering pump – tightening torque 37.5
Nm / 27.5 lbf. ft. Install alternator – see operation
"Alternator, Remove and Install" in group "J"..
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Connect pressure line (1) and return line (2) to steering gear
– tightening torque 28 Nm / 21 lbf. ft.
Inspect
Charge and bleed hydraulic system – see operation
"Hydraulic System, Charge and Bleed".
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