The service and repair manual for the 2021 Chevrolet Blazer — 2.5L I4 and 3.6L V6 and 2.0L I4 engines, 6 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 | 2.5L I4 — 150 cu in, DOHC 3.6L V6 — DOHC 2.0L I4 — 122 cu in, DOHC, turbocharged |
| Trims | L Sport Utility 4-Door · RS Sport Utility 4-Door · True North Sport Utility 4-Door · Premier Sport Utility 4-Door · Base Sport Utility 4-Door · LT Sport Utility 4-Door |
| Federal record | 1 recall · 185 complaints · 808 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 Blazer manual
03 / ContentsSections in the manual
- Quick Lookups 847
- General Information 2,007
- Accessories & Equipment 9,075
- Heating, Ventilation & A/C (HVAC) 395
- Body & Frame 2,680
- Maintenance 15
- Brakes 1,808
- Restraints 366
- Drivelines & Axles 231
- Steering 256
- Electrical 4,797
- Suspension 234
- Engine Mechanical 1,420
- Transmission 726
- Engine Performance 2,957
- Torque 12
04 / Known issuesRecalls on federal record for the 2021 Blazer
- Seat Belts · 20V811000If a seat belt assembly is not properly attached to the vehicle, the seat belt may not pro.
Owners have filed 185 complaints and Chevrolet has issued 808 technical service bulletins for the 2021 Blazer. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 Blazer manual
Is this manual specific to the 2021 Blazer?
Yes. It is the OEM manual matched to the 2021 model year, covering the 2.5L I4 and 3.6L V6 and 2.0L I4 across the L Sport Utility 4-Door, RS Sport Utility 4-Door, True North Sport Utility 4-Door, Premier Sport Utility 4-Door, Base Sport Utility 4-Door, LT Sport Utility 4-Door trims. Specifications and procedure sequences are the ones Chevrolet published for this year.
What 2021 Blazer problems does it help with?
1 recall is on federal record for the 2021 Blazer, 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 Blazer 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.
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