Fluid Pump Cover Installation

WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban 3500 HD, and 2018 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Fluid Pump Cover Components (With Bolt Tightening Sequence)

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure NOTE: Do not use abrasive cleaning pads that can remove material or leave abrasive residue in the parts. NOTE: Do not immerse the pump cover in a parts cleaner with used solvent that can leave dirt/grit/residue in the parts. Inspect the service pump cover and pressure regulator valve for signs of rust inhibitor (RI) that may prevent the pressure regulator from operating properly before installing the pump cover. Excessive RI can be removed with solvent, light penetrating oil or carburetor cleaner.
1	Automatic Transmission Fluid Pump Cover
2	Automatic Transmission Fluid Pump Cover Bolt (Qty: 13) NOTE: Hand tighten only.
3	Alignment Tool and Bolt CAUTION: Refer to Fastener Caution . Procedure Center the DT 46664 pump cover alignment tool around the fluid pump cover assembly in the 9 o'clock position and tighten the alignment bolt. Tighten the fluid pump cover bolts in the sequence shown. Tighten 11 N.m (97 lb in) Special Tools DT-46664 Pump Cover Alignment Tool Equivalent regional tools: Special Tools
4	1-2-3-4 and 3-5-Reverse Clutch Housing Thrust Washer NOTE: Install a NEW washer. Do NOT reuse the old washer.