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SERVICING AND MAINTENANCE 443
Drain And Refill
On 4500/5500 vehicles, remove the lower bolt to drain the
axle fluid.
4500/5500 Rear Axle Plugs
Refer to “Scheduled Servicing” in this chapter for the proper
maintenance intervals.
Lubricant Selection
Refer to “Fluids And Lubricants” in “Technical Specifica-
tions” for further information.
NOTE:
The presence of water in the gear lubricant will result in
corrosion and possible failure of differential components.
Operation of the vehicle in water, as may be encountered in
some off-highway types of service, will require draining and
refilling the axle to avoid damage.
Limited-Slip Differentials DO REQUIRE limited slip oil
additive (friction modifiers).
NOTE:
Slight noise and mild shuddering may be evident while
turning a vehicle with limited slip differential on concrete or
dry pavement. These conditions should be considered
normal operation of the limited slip differential.
1 — 4500/5500 Rear Axle Fluid Fill Plug
2 — 4500/5500 Rear Axle Fluid Drain Plug
7
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