The service and repair manual for the 2006 Cadillac STS — 4.4L V8 and 3.6L V6 and 4.6L V8 engines, 2 trims. Matched to this exact model year, so the specifications and sequences are the ones Cadillac published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2006 |
|---|---|
| Engines | 4.4L V8 — 267 cu in, DOHC, supercharged 3.6L V6 — 217 cu in, DOHC 4.6L V8 — DOHC |
| Trims | V Sedan 4-Door · Base Sedan 4-Door |
| Federal record | 2 recalls · 197 complaints · 277 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2006 STS manual
03 / ContentsSections in the manual
- Quick Lookups 727
- General Information 2,005
- Accessories & Equipment 4,681
- Heating, Ventilation & A/C (HVAC) 311
- Body & Frame 2,039
- Brakes 790
- Restraints 472
- Drivelines & Axles 201
- Steering 348
- Electrical 3,216
- Suspension 352
- Engine Mechanical 970
- Transmission 720
- Engine Performance 2,525
04 / Known issuesRecalls on federal record for the 2006 STS
- Fuel System, Gasoline — delivery · 06V020000If the engine stops running, the operator will not be able to restart the vehicle which could increa.
- Vehicle Speed Control · 06V007000Without these functions enabled, a persistent ecm failure could result in a throttle opening greater.
Owners have filed 197 complaints and Cadillac has issued 277 technical service bulletins for the 2006 STS. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2006 STS manual
Is this manual specific to the 2006 STS?
Yes. It is the OEM manual matched to the 2006 model year, covering the 4.4L V8 and 3.6L V6 and 4.6L V8 across the V Sedan 4-Door, Base Sedan 4-Door trims. Specifications and procedure sequences are the ones Cadillac published for this year.
What 2006 STS problems does it help with?
2 recalls are on federal record for the 2006 STS, covering fuel system, gasoline, vehicle speed control. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Cadillac dealers.
Does it include 2006 STS 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 STS years and 2006 Cadillac models
2011 STS · 2010 STS · 2009 STS · 2008 STS · 2007 STS · 2005 STS · all 7 years
2006 Cadillac CTS · 2006 Cadillac DTS · 2006 Cadillac Escalade · 2006 Cadillac Escalade ESV · 2006 Cadillac Escalade EXT · 2006 Cadillac SRX · 2006 Cadillac XLR · every 2006 model