The service and repair manual for the 2018 Cadillac CTS — 6.2L V8 and 3.6L V6 and 2.0L I4 and 3.6L V6 engines, 7 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 | 2018 |
|---|---|
| Engines | 6.2L V8 — 376 cu in, OHV, supercharged 3.6L V6 — DOHC 2.0L I4 — 122 cu in, DOHC, turbocharged 3.6L V6 — 217 cu in, DOHC, turbocharged |
| Trims | V Sedan 4-Door · Premium Sedan 4-Door · Base Sedan 4-Door · Vsport Premium Luxury Sedan 4-Door · Vsport Sedan 4-Door · Luxury Sedan 4-Door +1 |
| Federal record | 2 recalls · 10 complaints · 680 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2018 CTS manual
03 / ContentsSections in the manual
- Quick Lookups 1,010
- General Information 2,129
- Accessories & Equipment 9,458
- Heating, Ventilation & A/C (HVAC) 427
- Body & Frame 2,535
- Brakes 1,155
- Restraints 428
- Drivelines & Axles 297
- Steering 470
- Electrical 5,321
- Suspension 308
- Engine Mechanical 1,443
- Transmission 841
- Engine Performance 4,256
- Front 250
- Rear 250
04 / Known issuesRecalls on federal record for the 2018 CTS
- Steering — electric power assist system · 25V175000A loss of power steering assist can require greater steering effort, especially at low speeds, incre.
- Steering — electric power assist system · 19V086000Loss of power steering assist would require a higher steering effort, especially at lower speeds, wh.
Owners have filed 10 complaints and Cadillac has issued 680 technical service bulletins for the 2018 CTS. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2018 CTS manual
Is this manual specific to the 2018 CTS?
Yes. It is the OEM manual matched to the 2018 model year, covering the 6.2L V8 and 3.6L V6 and 2.0L I4 and 3.6L V6 across the V Sedan 4-Door, Premium Sedan 4-Door, Base Sedan 4-Door, Vsport Premium Luxury Sedan 4-Door, Vsport Sedan 4-Door, Luxury Sedan 4-Door, Premium Luxury Sedan 4-Door trims. Specifications and procedure sequences are the ones Cadillac published for this year.
What 2018 CTS problems does it help with?
2 recalls are on federal record for the 2018 CTS, covering steering. 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 2018 CTS wiring diagrams?
Yes — the complete wiring diagrams for the 2018 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $49.99 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 2018 Cadillac models
2019 CTS · 2017 CTS · 2016 CTS · 2015 CTS · 2014 CTS · 2013 CTS · 2012 CTS · all 17 years
2018 Cadillac ATS · 2018 Cadillac CT6 · 2018 Cadillac Escalade · 2018 Cadillac Escalade ESV · 2018 Cadillac XT5 · 2018 Cadillac XTS · every 2018 model