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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LT >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Engine Mechanical - 5.3L (L83) Or 6.2L (L86) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Lower Oil Pan Replacement

Lower Oil Pan Replacement

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Fig 1: Lower Oil Pan
GM3269272Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedures

  1. Remove the drivetrain and front suspension frame front crossmember. Refer to Drivetrain and Front Suspension Frame Front Crossmember Replacement .
  2. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement .
1 Lower Oil Pan Bolt (Qty: 10)
CAUTION:

Refer to Fastener Caution .


Tighten 
10 N.m (89 lb in)
2 Lower Oil Pan
NOTE:

If lower oil pan is removed, it must be replaced. The lower oil pan is not reusable. Replace with NEW.

Procedure

  1. For cleaning and inspection, refer to Oil Pan Cleaning and Inspection
  2. Apply a 3 mm (0.118 in) bead of RTV sealant on the lower oil pan to engine mating surface. Refer to Adhesives, Fluids, Lubricants, and Sealers .