reservoir, but do not remove the supply line to
the reservoir.
6. Using bolts, nuts, and washers, attach the
reservoir to the mounting bracket.
7. Fill the reservoir with an approved power
steering fluid to the line between the MIN COLD
and MAX HOT lines. See
Fig. 1. See Table 1 for
approved power steering fluids.
Approved Power Steering Fluids
Fluid Type
*
Approved Fluid
*
Automatic Transmission
Fluid
Dexron® III
Dexron® II
*
Do not mix fluid types. Refer to the text in this group for a detailed
warning statement.
Table 1, Approved Power Steering Fluids
8. Raise the front of the vehicle and support it with
jack stands.
9. Start the engine and operate it at idle. Turn the
steering wheel from full left to full right several
times until clean oil starts flowing from the power
steering filter. Add fluid to the reservoir to
maintain the fluid level between the MIN COLD
and MAX HOT lines.
10. Shut down the engine and install the filter and
filter cover in the reservoir. Make sure that the
gasket under the filter cover is not damaged. If
the gasket is damaged, replace it. Install the
gasket on the reservoir.
11. Attach the retaining ring to the reservoir to
secure the filter and filter cover.
12. Start the engine and check that the power
steering fluid level is between the MIN COLD
and MAX HOT lines. Add more power steering
fluid if needed.
13. Raise the vehicle, remove the jack stands, and
lower the vehicle.
14. Remove the chocks from the tires.
46–03 Power Steering Gear
Lubrication
NOTICE
Apply grease to the sector shaft with a hand-type
grease gun only. Use of a high-pressure power
grease gun will supply grease too quickly and
could affect the high pressure seal, contaminating
the hydraulic fluid.
Using a hand-type grease gun, apply NLGI Grade 2
or 3 multipurpose chassis grease until it starts to
come out past the sector shaft seal. See
Fig. 2.
46–04 Power Steering Filter
Changing
1. Apply the parking brakes and chock the rear
tires.
2. Raise the front of the vehicle and support it with
jack stands.
f46246903/04/2022
1
1. Sector Shaft Grease Fitting
Fig. 2, Steering Gear Lubrication
Steering46
Business Class M2 Plus Maintenance Manual, 02/10/202346/2
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