Description
Factory Pontiac GTO Workshop Manual (2004-2006)
This factory-level service manual covers every fifth-generation Pontiac GTO built between 2004 and 2006 – the Australian-sourced muscle car that brought the GTO badge back to American showrooms riding on the Holden Monaro platform.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | 5.7L LS1 V8 (2004), 6.0L LS2 V8 (2005-2006) |
| Diesel | N/A |
| Transmissions | Tremec T-56 6-speed manual, 4L65-E 4-speed automatic |
| Drive | RWD |
| Model Years | 2004, 2005, 2006 |
| Badge Twins | Holden Monaro (V2, CV8) |
Common GTO Repairs Covered
| System | Procedures |
|---|---|
| LS1/LS2 Engine | Valve seal replacement, timing chain inspection, oil consumption diagnostics |
| Tremec T-56 Transmission | Shift fork wear inspection, synchronizer replacement, fluid service |
| Rear Differential | IRS half-shaft boot replacement, bearing replacement, fluid change |
| Electrical / BCM | Body control module diagnostics, power window regulator repair, wiring fault tracing |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Does this manual cover both the LS1 and LS2 engines?
Yes. The 2004 GTO used the 5.7L LS1 V8 rated at 350 hp, while 2005 and 2006 models received the larger 6.0L LS2 V8 producing 400 hp. Full engine rebuild procedures, torque specs, fuel injection service, and timing details are included for both units.
Is the Holden Monaro covered by this manual?
This manual is written specifically for the North American Pontiac GTO (2004-2006). Because the GTO shares its platform and mechanicals with the Holden Monaro CV8/CV8-Z, much of the powertrain and chassis content overlaps – but calibrations and specifications reference US-market GTO configurations.
Are wiring diagrams included for the electrical system?
Complete electrical coverage is included: chassis wiring schematics, engine management (PCM) circuits, BCM diagrams, instrument cluster connections, lighting, power accessories, and climate control wiring. Each schematic includes connector pinouts, ground locations, and wire color codes.
What format is the manual?
The manual is delivered as a PDF file. After purchase you can download it immediately, search by keyword, zoom into diagrams, and print any pages you need in the shop. Compatible with Windows, Mac, iOS, Android, and any device that runs a PDF reader.
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