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Home >> GMC >> 2011 >> Yukon Base, 5.3 3 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Mechanical - Hybrid (LZ1) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Crankshaft Rear Oil Seal Housing Replacement >> Installation Procedure - Cover without Seal

Installation Procedure - Cover without Seal

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Rear Oil Seal Housing Components
    GM2100849Courtesy of GENERAL MOTORS CORP.
  1. Position a NEW rear oil seal housing gasket (3) and the housing (2) to the engine.
  2. Install the rear oil seal housing bolts (1) until snug. Do not overtighten.
  3. Rotate the crankshaft until 2 opposing flywheel bolts holes are parallel to the oil pan surface.
    4. Fig 2: Housing Alignment Tool
    GM451716Courtesy of GENERAL MOTORS CORP.
    NOTE:

    The tapered legs of the alignment tool must enter the rear cover oil seal bore.

  4. Install the J 41476 and bolts onto the rear of the crankshaft.
  5. Tighten the J 41476 bolts until snug. Do not overtighten.
    6. Fig 3: Oil Pan-To-Rear Cover Bolts
    GM680413Courtesy of GENERAL MOTORS CORP.
  6. Install the oil pan-to-rear oil seal housing bolts (1).

    Tighten 

    1. Tighten the oil pan-to-rear cover bolts to 12 N.m (106 lb in).
    2. Tighten the rear oil seal housing-to-engine bolts to 30 N.m (22 lb ft).
  7. Remove the J 41476 .
  8. Install a NEW crankshaft rear oil seal. Refer to Crankshaft Rear Oil Seal Replacement .
  9. Install the automatic transmission flexplate. Refer to Automatic Transmission Flex Plate Replacement .
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