Meritor Axle
wv mm 35.01.000
Procedures for Detroit™ and Meritor axles are provided below.
- Remove the filler plug, then the drain plug and allow the
differential to drain completely. See Fig..
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Ratio Tag
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Drain Plug
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Limited Slip Lubrication Tag
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Filler Plug
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Model Number
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Axle Housing Breather
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Manufacturing Date
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Part Number
Fig. 1, Rear Axle Differential, Meritor Axle
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- Install and tighten the drain plug securely.
- Fill the differential with an SAE 80W–90 multipurpose gear lubricant, or an SAE 75W–90 multipurpose synthetic gear lubricant. See Table. for axle lubricant capacities. Either type of lubricant must meet MIL L–2105–D and be suitable for American Petroleum Institute service classification GL–5. The lubricant levelwithin the differential must be even with the bottom of the fill hole.
- Install and tighten the fill plug securely.Note: Single drive axles equipped with traction equalizers may require a "friction modifier" to correct a slip-stick condition, as described in the vehicle driver's manual. Meritor's experience shows that the following additives perform adequately: Add Elco No. 2 Friction Modifier (1 ounce [30 ml] of additive for each 1 pint [0.5 liter] of lube capacity) or Lubrizol No. 797 or 762 (one ounce [30 mL] of additive for each 1 pint [0.5 liter] of lube capacity).
Table 2, Meritor Drive Axle Lubricant Capacities (single axle)
Axle Model
Capacity 1: pints (L)
RS-15-120
16 (7.6)
RS-17-145
33.6 (15.9)
RS-19-145
34.4 (16.3)
RS-21-145
32 (15.1)
RS-23-160
42 (19.9)
RC-23-165
42 (19.9)
- Quantities listed are approximate and include 1 pint (0.5 liter) for each wheel end and with the drive pinion at 3 degrees.
Table 2, Meritor Drive Axle Lubricant Capacities (single axle)
Note: