Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2008 Hummer H3 L5-3.7LFACTORY OEM SERVICE PROCEDURE
Steering Column
Steering Column Disassembled View
Floor Shift Tilt:
1 - Upper Trim Cover
2 - Lower Trim Cover
3 - Shoulder Tapping Screws
4 - Pan Head Tapping Screws
5 - Multifunction Switch Assembly
6 - Washer Head Screws
7 - Switch Mounting Plate
8 - Bearing Retainer
9 - Spring Retainer
10 - Upper Bearing Spring
11 - Inner Race Seat
12 - Steering Column Housing Assembly
13 - Ignition Switch and Lock Housing Assembly
14 - Set Screws
15 - Release Lever Pin
16 - Lever Spring Assembly
17 - Release Lever Spring
18 - Spring Guide
19 - Tilt Spring
20 - Steering Shaft Assembly
21 - Torque Head Screws
22 - Tilt Bumper
23 - Pivot Pin
23 - Pivot Pins
24 - Steering Column Support Assembly
25 - Bracket and Upper Jacket Assembly
26 - Lower Column Support Bracket
27 - Lower Bracket Retainer Spacer
28 - Washer and Bolt Assembly
29 - Lower Shaft Bearing Assembly
30 - Bolt and Retainer Assembly
31 - Intermediate Steering Shaft Assembly
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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