The service and repair manual for the 2018 Cadillac ATS — 3.6L V6 and 2.0L I4 and 3.6L V6 engines, 12 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 | 3.6L V6 — 217 cu in, DOHC, turbocharged 2.0L I4 — 122 cu in, DOHC, turbocharged 3.6L V6 — DOHC |
| Trims | V Sedan 4-Door · V Coupe 2-Door · Base Sedan 4-Door · Sedan Sedan 4-Door · Luxury Coupe 2-Door · Premium Luxury Coupe 2-Door +6 |
| Federal record | 2 recalls · 26 complaints · 656 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2018 ATS manual
03 / ContentsSections in the manual
- Quick Lookups 919
- General Information 2,105
- Accessories & Equipment 8,774
- Heating, Ventilation & A/C (HVAC) 377
- Body & Frame 2,703
- Brakes 1,213
- Restraints 434
- Drivelines & Axles 292
- Steering 473
- Electrical 5,154
- Suspension 317
- Engine Mechanical 1,618
- Transmission 1,065
- Engine Performance 4,304
- Tighten 250
04 / Known issuesRecalls on federal record for the 2018 ATS
- Fuel System, Gasoline — delivery › fuel pump · 18V358000A damaged fuel line can create a fuel leak, increasing the risk of a fire.
- Steering — electric power assist system · 25V175000A loss of power steering assist can require greater steering effort, especially at low speeds, incre.
Owners have filed 26 complaints and Cadillac has issued 656 technical service bulletins for the 2018 ATS. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2018 ATS manual
Is this manual specific to the 2018 ATS?
Yes. It is the OEM manual matched to the 2018 model year, covering the 3.6L V6 and 2.0L I4 and 3.6L V6 across the V Sedan 4-Door, V Coupe 2-Door, Base Sedan 4-Door, Sedan Sedan 4-Door, Luxury Coupe 2-Door, Premium Luxury Coupe 2-Door, Premium Performance Sedan 4-Door, Luxury Sedan 4-Door, Base Coupe 2-Door, Premium Luxury Sedan 4-Door, Coupe Coupe 2-Door, Premium Performance Coupe 2-Door trims. Specifications and procedure sequences are the ones Cadillac published for this year.
What 2018 ATS problems does it help with?
2 recalls are on federal record for the 2018 ATS, covering fuel system, gasoline, 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 ATS 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 ATS years and 2018 Cadillac models
2019 ATS · 2017 ATS · 2016 ATS · 2015 ATS · 2014 ATS · 2013 ATS · all 7 years
2018 Cadillac CT6 · 2018 Cadillac CTS · 2018 Cadillac Escalade · 2018 Cadillac Escalade ESV · 2018 Cadillac XT5 · 2018 Cadillac XTS · every 2018 model