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Home >> Ford >> 2018 >> Fusion Platinum, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Rear Drive Axle/Differential -- Fusion (Except Hybrid)) >> Diagnosis And Testing >> Rear Drive Axle and Differential >> Analysis of Leakage

Analysis of Leakage

WARNING: This page is about a different variant/trim than selected.

Clean up the leaking area enough to identify the exact source.

A plugged Rear Drive Unit (RDU) housing vent can cause excessive pinion seal lip wear due to internal pressure buildup.

Verify the RDU lubricant level is 3-5 mm (1/8-3/16) below the bottom of the fill hole.

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