The service and repair manual for the 2018 Chevrolet Silverado 3500 HD — 6.6L V8 and 6.0L V8 engines, 13 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 | 6.6L V8 — 403 cu in, OHV, turbocharged 6.0L V8 — 364 cu in, OHV |
| Trims | WT Crew Cab Pickup 4-Door · LT Standard Cab Pickup 2-Door · LT Crew Cab Pickup 4-Door · WT Extended Cab Pickup 4-Door · LTZ Extended Cab Pickup 4-Door · LTZ Crew Cab Pickup 4-Door +7 |
| Other 2018 Silverado 3500 HD variants | Silverado 3500 → |
| Federal record | 3 recalls · 27 complaints · 0 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2018 Silverado 3500 HD manual






03 / ContentsSections in the manual
- Quick Lookups 837
- General Information 2,108
- Accessories & Equipment 8,432
- Heating, Ventilation & A/C (HVAC) 534
- Body & Frame 2,369
- Hybrid/Electric Powertrain 500
- Brakes 835
- Maintenance 18
- Drivelines & Axles 479
- Restraints 432
- Electrical 5,154
- Steering 467
- Engine Mechanical 1,079
- Suspension 410
- Engine Performance 3,230
- Transmission 1,230
- Wheel Drive Shaft to Front Hub Nut (NEW) 188
04 / Known issuesRecalls on federal record for the 2018 Silverado 3500 HD
- Engine · 19V328000A short-circuit may damage the engine components and increase the risk of fire.
- Fuel System, Diesel — storage › tank assembly · 23V047000An engine stall increases the risk of a crash.
- Equipment — electrical › engine block heater · 21V496000An electrical short-circuit can increase the risk of a fire.
Owners have filed 27 complaints and Chevrolet has issued 0 technical service bulletins for the 2018 Silverado 3500 HD. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2018 Silverado 3500 HD manual
Is this manual specific to the 2018 Silverado 3500 HD?
Yes. It is the OEM manual matched to the 2018 model year, covering the 6.6L V8 and 6.0L V8 across the WT Crew Cab Pickup 4-Door, LT Standard Cab Pickup 2-Door, LT Crew Cab Pickup 4-Door, WT Extended Cab Pickup 4-Door, LTZ Extended Cab Pickup 4-Door, LTZ Crew Cab Pickup 4-Door, WT Cab & Chassis 4-Door, LT Extended Cab Pickup 4-Door, WT Cab & Chassis 2-Door, High Country Crew Cab Pickup 4-Door, LT Cab & Chassis 2-Door, LT Cab & Chassis 4-Door, WT Standard Cab Pickup 2-Door trims. Specifications and procedure sequences are the ones Chevrolet published for this year.
What 2018 Silverado 3500 HD problems does it help with?
3 recalls are on federal record for the 2018 Silverado 3500 HD, covering engine, fuel system, diesel, 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 2018 Silverado 3500 HD 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 Silverado 3500 HD years and 2018 Chevrolet models
2024 Silverado 3500 HD · 2023 Silverado 3500 HD · 2022 Silverado 3500 HD · 2021 Silverado 3500 HD · 2020 Silverado 3500 HD · 2019 Silverado 3500 HD · 2017 Silverado 3500 HD · 2016 Silverado 3500 HD · 2015 Silverado 3500 HD · 2014 Silverado 3500 HD · 2013 Silverado 3500 HD · 2012 Silverado 3500 HD · all 18 years
2018 Chevrolet Aveo · 2018 Chevrolet Beat · 2018 Chevrolet Blazer · 2018 Chevrolet Bolt EV · 2018 Chevrolet Camaro · 2018 Chevrolet Cavalier · 2018 Chevrolet Cheyenne · 2018 Chevrolet City Express · 2018 Chevrolet Colorado · 2018 Chevrolet Corvette · 2018 Chevrolet Cruze · 2018 Chevrolet Equinox · every 2018 model