The service and repair manual for the 1986 Chevrolet C20 — 5.0L V8 and 7.4L V8 and 6.2L V8 and 4.8L I6 and 4.3L V6 and 5.7L V8 engines, 11 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 | 1986 |
|---|---|
| Engines | 5.0L V8 — OHV 7.4L V8 — OHV 6.2L V8 — OHV 4.8L I6 — OHV 4.3L V6 — OHV 5.7L V8 — OHV |
| Trims | Scottsdale Standard Cab Pickup 2-Door · Cheyenne Standard Cab Pickup 2-Door · Base Standard Cab Pickup 2-Door · Silverado Crew Cab Pickup 4-Door · Silverado Cab & Chassis 2-Door · Scottsdale Cab & Chassis 2-Door +5 |
| Other 1986 C20 variants | C20 Suburban → |
| Federal record | 1 recall · 0 complaints · 0 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1986 C20 manual
03 / ContentsSections in the manual
- Quick Lookups 63
- Engine Performance 995
- Accessories & Equipment 120
- General Information 1,523
- Body & Frame 30
- Heating, Ventilation & A/C (HVAC) 143
- Brakes 100
- Maintenance 57
- Drivelines & Axles 92
- Steering 129
- Electrical 137
- Suspension 63
- Engine Mechanical 566
- Transmission 383
- Steering Wheel Retaining Nut 30
04 / Known issuesRecalls on federal record for the 1986 C20
- Equipment · 07E088000This condition may cause inadequate sealing and loss of engine oil, possibly resulting in.
Owners have filed 0 complaints and Chevrolet has issued 0 technical service bulletins for the 1986 C20. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1986 C20 manual
Is this manual specific to the 1986 C20?
Yes. It is the OEM manual matched to the 1986 model year, covering the 5.0L V8 and 7.4L V8 and 6.2L V8 and 4.8L I6 and 4.3L V6 and 5.7L V8 across the Scottsdale Standard Cab Pickup 2-Door, Cheyenne Standard Cab Pickup 2-Door, Base Standard Cab Pickup 2-Door, Silverado Crew Cab Pickup 4-Door, Silverado Cab & Chassis 2-Door, Scottsdale Cab & Chassis 2-Door, Custom Standard Cab Pickup 2-Door, Custom Crew Cab Pickup 4-Door, Silverado Standard Cab Pickup 2-Door, Custom Cab & Chassis 2-Door, Scottsdale Crew Cab Pickup 4-Door trims. Specifications and procedure sequences are the ones Chevrolet published for this year.
What 1986 C20 problems does it help with?
1 recall is on federal record for the 1986 C20, covering equipment. 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 1986 C20 wiring diagrams?
Yes — the complete wiring diagrams for the 1986 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $29.99 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 C20 years and 1986 Chevrolet models
1987 C20 · 1985 C20 · 1984 C20 · 1983 C20 · 1982 C20 · all 6 years
1986 Chevrolet Astro · 1986 Chevrolet B60 · 1986 Chevrolet C10 · 1986 Chevrolet C10 Suburban · 1986 Chevrolet C15 · 1986 Chevrolet C20 Suburban · 1986 Chevrolet C30 · 1986 Chevrolet C35 · 1986 Chevrolet C50 · 1986 Chevrolet C60 · 1986 Chevrolet C70 · 1986 Chevrolet Camaro · every 1986 model