The service and repair manual for the 2006 Hummer H1 — the 6.6L V8 engine, 1 trim. Matched to this exact model year, so the specifications and sequences are the ones Hummer published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2006 |
|---|---|
| Engines | 6.6L V8 — OHV, turbocharged |
| Trims | Alpha Sport Utility 4-Door |
| Federal record | 1 recall · 0 complaints · 3 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2006 H1 manual
03 / ContentsSections in the manual
- General Information 1,501
- Transmission 326
- Engine Performance 74
- Valve Body Assembly to Transmission Case 12
- N.m 108
- Flange/Yoke to Output Shaft 123
- Speed Sensor to Torque Converter Housing 12
- Piston Housing to Transmission Case 56
- Mode Switch (IMS) Assembly Bolt to 10
- Spring to Control Valve Body Assembly 12
- Transmission Oil Pump Cover Assembly 26
- Oil Pan to Transmission Case 26
- Low and Reverse Clutch Piston Housing 12
- Take-Off (PTO) Cover to Transmission Case 43
- Shift Valve Body to Main Valve Body 12
- Bracket to Torque Converter Assembly 27
- Switch to Main Valve Body Assembly 12
- Assembly to Torque Converter Housing 56
- Turbine Speed Sensor to Transmission Case 12
04 / Known issuesRecalls on federal record for the 2006 H1
- Steering · 06V377000This condition may result in steering gear loosening and, possible separation from the frame. if th.
Owners have filed 0 complaints and Hummer has issued 3 technical service bulletins for the 2006 H1. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2006 H1 manual
Is this manual specific to the 2006 H1?
Yes. It is the OEM manual matched to the 2006 model year, covering the 6.6L V8 across the Alpha Sport Utility 4-Door trims. Specifications and procedure sequences are the ones Hummer published for this year.
What 2006 H1 problems does it help with?
1 recall is on federal record for the 2006 H1, covering steering. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Hummer dealers.
Does it include 2006 H1 wiring diagrams?
Yes — the complete wiring diagrams for the 2006 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $29.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther H1 years and 2006 Hummer models
2004 H1 · 2003 H1 · 2002 H1 · all 4 years