2010 DODGE RAM 2500 User Manual

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axles. The fluid level should be 5/8 in (16 mm) below the

fill hole on 9 1/4 in manufacturer’s rear axles.

For all 2500/3500 Model axles, the fluid level should be

1/4” ± 1/4 in (6.4 mm ± 6.4 mm) below the fill hole on

the 9.25 in front and 3/4 in ± 1/4 in (19 mm ± 6.4 mm) on

10.5 in rear axles. The 11.5 in rear axle level should be

1/4 in ± 1/4 in (6.4 mm ± 6.4 mm) below the fill hole.

Drain and Refill

Refer to “Maintenance Schedule” for further information.

Lubricant Selection

Refer to “Fluids, Lubricants, and Genuine Parts” in

“Maintaining Your Vehicle” 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 This vehicle requires that

4 oz. (118 ml) MOPAR威 Limited Slip Additive or equiva-

lent be added to the gear lubricant. Refer to “Fluids,

Lubricants, and Genuine Parts” in “Maintaining Your

Vehicle” for further information. The MOPAR威 Limited

Slip Additive or equivalent should be added to the gear

lubricant whenever a fluid change is made.

2500/3500 Model Axles DO NOT REQUIRE any limited

slip oil additive (friction modifiers).

Transfer Case