The service and repair manual for the 2021 Jeep Gladiator — 3.0L V6 and 3.6L V6 engines, 10 trims. Matched to this exact model year, so the specifications and sequences are the ones Jeep published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2021 |
|---|---|
| Engines | 3.0L V6 — DOHC 3.6L V6 — DOHC |
| Trims | 80th Anniversary Crew Cab Pickup · High Altitude Crew Cab Pickup · Mojave Crew Cab Pickup · Overland Crew Cab Pickup · Rubicon Crew Cab Pickup · Sport Crew Cab Pickup +4 |
| Federal record | 5 recalls · 424 complaints · 682 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 Gladiator manual
03 / ContentsSections in the manual
- Quick Lookups 1,938
- General Information 1,780
- Accessories & Equipment 9,942
- Heating, Ventilation & A/C (HVAC) 851
- Body & Frame 1,625
- Maintenance 42
- Brakes 1,518
- Restraints 3,696
- Drivelines & Axles 534
- Steering 640
- Electrical 5,266
- Suspension 395
- Engine Mechanical 624
- Transmission 1,615
- Engine Performance 7,563
04 / Known issuesRecalls on federal record for the 2021 Gladiator
- Power Train — clutch assembly · 21V028000Overheated clutch components may increase the risk of a fire. additionally, damage to other nearby.
- Back Over Prevention — display function · 22V638000A rearview camera that does not display an image reduces the driver's rear view, increasing the risk.
- Power Train — clutch assembly · 23V116000Overheated clutch components may increase the risk of a fire. additionally, damage to other nearby.
- Fuel System, Gasoline — delivery › fuel pump · 22V767000An engine stall can increase the risk of a crash.
- Fuel System, Diesel — delivery › fuel pump · 23V263000Fuel pump failure can result in an engine stall, increasing the risk of a crash.
Owners have filed 424 complaints and Jeep has issued 682 technical service bulletins for the 2021 Gladiator. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 Gladiator manual
Is this manual specific to the 2021 Gladiator?
Yes. It is the OEM manual matched to the 2021 model year, covering the 3.0L V6 and 3.6L V6 across the 80th Anniversary Crew Cab Pickup, High Altitude Crew Cab Pickup, Mojave Crew Cab Pickup, Overland Crew Cab Pickup, Rubicon Crew Cab Pickup, Sport Crew Cab Pickup, Sport S Crew Cab Pickup, Texas Trail Crew Cab Pickup, Willys Crew Cab Pickup, Willys Sport Crew Cab Pickup trims. Specifications and procedure sequences are the ones Jeep published for this year.
What 2021 Gladiator problems does it help with?
5 recalls are on federal record for the 2021 Gladiator, covering power train, back over prevention, fuel system, gasoline. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Jeep dealers.
Does it include 2021 Gladiator 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 Gladiator years and 2021 Jeep models
2024 Gladiator · 2023 Gladiator · 2022 Gladiator · 2020 Gladiator · all 5 years
2021 Jeep Cherokee · 2021 Jeep Compass · 2021 Jeep Grand Cherokee · 2021 Jeep Grand Cherokee L · 2021 Jeep Grand Wagoneer · 2021 Jeep Renegade · 2021 Jeep Wagoneer · 2021 Jeep Wrangler · every 2021 model