2021 GMC Terrain SLFACTORY 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
Power Steering Assist Motor Seal
Steering Gear Boot Inner Clamp
Single Use Threaded Fastener/Component Tightening Specifications

NOTE:

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

Application Specification
Metric (English)
Power Steering Assist Motor Bolt 21 N.m (15 lb-ft)
Reusable Threaded Fastener Tightening Specifications

NOTE:

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

Application Specification
Metric (English)
Steering Gear Bolt
  • First Pass:
100 N.m (74 lb-ft)
  • Final Pass:
45 - 60 degrees
Steering Gear Heat Shield Bolt 9 N.m (80 lb/in)
Steering Linkage Inner Tie Rod 105 N.m (77 lb-ft)
Steering Linkage Outer Tie Rod Nut
  • First Pass:
35 N.m (26 lb-ft)
  • Final Pass:
80 - 90 degrees
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.

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