The service and repair manual for the 2020 Chevrolet Blazer — 2.5L I4 and 3.6L V6 and 2.0L I4 engines, 7 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 | 2020 |
|---|---|
| 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 · LS Sport Utility 4-Door +1 |
| Federal record | 3 recalls · 322 complaints · 816 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2020 Blazer manual
03 / ContentsSections in the manual
- Quick Lookups 734
- General Information 1,998
- Accessories & Equipment 9,036
- Heating, Ventilation & A/C (HVAC) 397
- Body & Frame 2,677
- Maintenance 15
- Brakes 1,897
- Restraints 346
- Drivelines & Axles 213
- Steering 256
- Electrical 5,712
- Suspension 235
- Engine Mechanical 1,042
- Transmission 1,042
- Engine Performance 2,853
04 / Known issuesRecalls on federal record for the 2020 Blazer
- Air Bags — side/window › curtain › inflator · 20V446000If the diffuser separates from the inflator during deployment, rrab performance may be deg.
- Power Train — automatic transmission · 20V668000Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak.
- Tires · 21V115000Over cured tires may develop a break in the sidewall resulting in sudden air loss or a bel.
Owners have filed 322 complaints and Chevrolet has issued 816 technical service bulletins for the 2020 Blazer. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2020 Blazer manual
Is this manual specific to the 2020 Blazer?
Yes. It is the OEM manual matched to the 2020 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, LS Sport Utility 4-Door, LT Sport Utility 4-Door trims. Specifications and procedure sequences are the ones Chevrolet published for this year.
What 2020 Blazer problems does it help with?
3 recalls are on federal record for the 2020 Blazer, covering air bags, power train, tires. 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 2020 Blazer wiring diagrams?
Yes — the complete wiring diagrams for the 2020 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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