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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 252 (Front Drive Axle) >> Repair Instructions >> Differential Drive Pinion Gear Seal Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Installing Drive Pinion Seal
    GM2857503Courtesy of GENERAL MOTORS COMPANY
  1. Lubricate the drive pinion flange sealing surface of the drive pinion seal (1) with synthetic gear oil. Refer to Adhesives, Fluids, Lubricants, and Sealers .
  2. Using the DT-36366-A  Seal Installer (2) and EN-49417  Installer (3), install the new pinion seal in the pinion housing.
  3. Install the front differential flange. Refer to Front Differential Carrier Flange Replacement .
  4. Inspect the fluid level. Refer to Front Axle Lubricant Level Inspection .
  5. Lower the vehicle.