The service and repair manual for the 2018 Chevrolet Impala — 3.6L V6 and 2.5L I4 engines, 3 trims. Matched to this exact model year, so the specifications and sequences are the ones Chevrolet 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 2.5L I4 — 150 cu in, DOHC |
| Trims | Premier Sedan 4-Door · LT Sedan 4-Door · LS Sedan 4-Door |
| Federal record | 1 recall · 87 complaints · 551 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2018 Impala manual






03 / ContentsSections in the manual
- Quick Lookups 665
- General Information 2,019
- Accessories & Equipment 6,882
- Heating, Ventilation & A/C (HVAC) 413
- Body & Frame 2,335
- Maintenance 10
- Brakes 835
- Restraints 406
- Drivelines & Axles 30
- Steering 627
- Electrical 3,913
- Suspension 192
- Engine Mechanical 1,021
- Transmission 757
- Engine Performance 3,755
- First Pass 111
- Second Pass Loosen 45
- Last Pass 185
04 / Known issuesRecalls on federal record for the 2018 Impala
- Service Brakes, Hydraulic — foundation components › disc › caliper · 18V576000A reduction of braking performance can increase the risk of a crash.
Owners have filed 87 complaints and Chevrolet has issued 551 technical service bulletins for the 2018 Impala. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2018 Impala manual
Is this manual specific to the 2018 Impala?
Yes. It is the OEM manual matched to the 2018 model year, covering the 3.6L V6 and 2.5L I4 across the Premier Sedan 4-Door, LT Sedan 4-Door, LS Sedan 4-Door trims. Specifications and procedure sequences are the ones Chevrolet published for this year.
What 2018 Impala problems does it help with?
1 recall is on federal record for the 2018 Impala, covering service brakes, hydraulic. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Chevrolet dealers.
Does it include 2018 Impala 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 Impala years and 2018 Chevrolet models
2020 Impala · 2019 Impala · 2017 Impala · 2016 Impala · 2015 Impala · 2014 Impala · 2013 Impala · 2012 Impala · all 28 years
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