2017 Buick Envision BaseFACTORY OEM SERVICE PROCEDURE

Fastener Specifications

Single Use Non-Threaded Fasteners/Components

NOTE:

All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal.Β 

Application
Quick Connect Fitting Retaining Ring
Transmission Fluid Cooler Pipe Sealing Washer
Transmission Fluid Cooler Seal
Reusable Threaded Fastener Tightening Specifications

NOTE:

All fasteners listed in this table can be reused after removal.Β 

Application Specification
Metric (English)
Transmission Fluid Auxiliary Cooler Bracket Bolt@Transmission Fluid Auxiliary Cooler Bracket 9 N.m (80 lb in)
Transmission Fluid Auxiliary Cooler Bracket Bolt@Radiator 5.1 N.m (45 lb in)
Transmission Fluid Cooler Pipe Connector 20 N.m (15 lb ft)
Transmission Fluid Cooler Pipe Nut 22 N.m (16 lb ft)
Transmission Fluid Cooler Thermal Bypass Valve Bolt 9 N.m (80 lb in)
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.