The service and repair manual for the 2021 Chevrolet Colorado — 3.6L V6 and 2.8L I4 and 2.5L I4 engines, 9 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 | 2021 |
|---|---|
| Engines | 3.6L V6 — DOHC 2.8L I4 — DOHC, turbocharged 2.5L I4 — 150 cu in, DOHC |
| Trims | WT Crew Cab Pickup 4-Door · Z71 LT Crew Cab Pickup 4-Door · ZR2 Crew Cab Pickup 4-Door · Z71 Extended Cab Pickup 4-Door · LT Extended Cab Pickup 4-Door · Z71 Crew Cab Pickup 4-Door +3 |
| Federal record | 1 recall · 90 complaints · 739 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 Colorado manual






03 / ContentsSections in the manual
- Quick Lookups 660
- General Information 1,983
- Accessories & Equipment 6,427
- Heating, Ventilation & A/C (HVAC) 438
- Body & Frame 1,714
- Maintenance 22
- Brakes 790
- Restraints 347
- Drivelines & Axles 537
- Steering 262
- Electrical 4,002
- Suspension 232
- Engine Mechanical 993
- Transmission 1,016
- Engine Performance 2,863
- Tighten (use NEW Nut) 185
04 / Known issuesRecalls on federal record for the 2021 Colorado
- Seat Belts · 20V811000If a seat belt assembly is not properly attached to the vehicle, the seat belt may not pro.
Owners have filed 90 complaints and Chevrolet has issued 739 technical service bulletins for the 2021 Colorado. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 Colorado manual
Is this manual specific to the 2021 Colorado?
Yes. It is the OEM manual matched to the 2021 model year, covering the 3.6L V6 and 2.8L I4 and 2.5L I4 across the WT Crew Cab Pickup 4-Door, Z71 LT Crew Cab Pickup 4-Door, ZR2 Crew Cab Pickup 4-Door, Z71 Extended Cab Pickup 4-Door, LT Extended Cab Pickup 4-Door, Z71 Crew Cab Pickup 4-Door, LT Crew Cab Pickup 4-Door, WT Extended Cab Pickup 4-Door, ZR2 Extended Cab Pickup 4-Door trims. Specifications and procedure sequences are the ones Chevrolet published for this year.
What 2021 Colorado problems does it help with?
1 recall is on federal record for the 2021 Colorado, covering seat belts. 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 2021 Colorado wiring diagrams?
Yes — the complete wiring diagrams for the 2021 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 Colorado years and 2021 Chevrolet models
2024 Colorado · 2023 Colorado · 2022 Colorado · 2020 Colorado · 2019 Colorado · 2018 Colorado · 2017 Colorado · 2016 Colorado · 2015 Colorado · all 21 years
2021 Chevrolet Aveo · 2021 Chevrolet Beat · 2021 Chevrolet Blazer · 2021 Chevrolet Bolt EV · 2021 Chevrolet Camaro · 2021 Chevrolet Cavalier · 2021 Chevrolet Cheyenne · 2021 Chevrolet Corvette · 2021 Chevrolet Equinox · 2021 Chevrolet Express 2500 · 2021 Chevrolet Express 3500 · 2021 Chevrolet Express 4500 · every 2021 model