2008 Cadillac CTS Service & Repair Manual

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The service and repair manual for the 2008 Cadillac CTS — the 3.6L V6 engine, 3 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 year2008
Engines
3.6L V6 — 217 cu in, DOHC
TrimsPremium Sedan 4-Door · Base Sedan 4-Door · Luxury Sedan 4-Door
Federal record1 recall · 251 complaints · 419 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 2008 CTS manual

2008 Cadillac CTS service manual page 12008 Cadillac CTS service manual page 22008 Cadillac CTS service manual page 32008 Cadillac CTS service manual page 42008 Cadillac CTS service manual page 52008 Cadillac CTS service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 844
  • General Information 1,893
  • Accessories & Equipment 5,198
  • Heating, Ventilation & A/C (HVAC) 259
  • Body & Frame 1,858
  • Brakes 835
  • Restraints 326
  • Drivelines & Axles 148
  • Steering 170
  • Electrical 3,184
  • Suspension 253
  • Engine Mechanical 1,074
  • Transmission 1,401
  • Engine Performance 2,962
  • Front 158
  • Rear 158

04 / Known issuesRecalls on federal record for the 2008 CTS

  1. Electrical System · 10V240000
    It is possible for the heated washer module to ignite and a fire may occur.

Owners have filed 251 complaints and Cadillac has issued 419 technical service bulletins for the 2008 CTS. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 2008 CTS manual

Is this manual specific to the 2008 CTS?

Yes. It is the OEM manual matched to the 2008 model year, covering the 3.6L V6 across the Premium Sedan 4-Door, Base Sedan 4-Door, Luxury Sedan 4-Door trims. Specifications and procedure sequences are the ones Cadillac published for this year.

What 2008 CTS problems does it help with?

1 recall is on federal record for the 2008 CTS, covering electrical system. 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 2008 CTS wiring diagrams?

Yes — the complete wiring diagrams for the 2008 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 CTS years and 2008 Cadillac models

2014 CTS · 2013 CTS · 2012 CTS · 2011 CTS · 2010 CTS · 2009 CTS · 2007 CTS · 2006 CTS · 2005 CTS · 2004 CTS · 2003 CTS · all 17 years

2008 Cadillac BLS · 2008 Cadillac DTS · 2008 Cadillac Escalade · 2008 Cadillac Escalade ESV · 2008 Cadillac Escalade EXT · 2008 Cadillac SRX · 2008 Cadillac STS · 2008 Cadillac XLR · every 2008 model