2021 Ford Transit-350 HD Service and Repair Manual
2021 Ford Transit-350 HD service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- Base Extended Cargo Van 3-Door
- Base Extended Crew Van 4-Door
- Base Extended Crew Van 3-Door
- XL Extended Passenger Van 3-Door
- Base Extended Cargo Van 4-Door
- XLT Extended Passenger Van 3-Door
- Base Cutaway Van 2-Door
- PTV Extended Cargo Van 3-Door
- Base Cab & Chassis 2-Door
Engines covered
- 3.5L 3496CC 213Cu. In. V6 FLEX DOHC Naturally Aspirated
- 3.5L 3496CC 213Cu. In. V6 GAS DOHC Turbocharged
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Ford Motor Company (Ford) is recalling certain 2021-2022 Transit and 2021 Transit Connect vehicles. The front passenger seat belt automatic locking retractor (ALR) may deactivate
Quality Vans (Quality Vans) is recalling certain 2020-2023 Ford Transit vans equipped with Onan QG 2800i EVAP generators, part number 2.8HGLAA-8303A. The fuel hose between the inl
Rollx Vans (Rollx) is recalling certain GMC Yukon, Sierra, Chevrolet Express 2500, Ford Transit, E-250, Toyota Sienna, Sienna Hybrid, Honda Odyssey, Chrysler Town and Country, Voya
The contact owned a 2021 Ford Transit. The contact stated that while driving the 2021 Thor Gemini at 65 MPH in the wind, the wind veered the vehicle off the road. The vehicle rolle
U-Haul rented me this vehicle and didn't notify me if the outstanding recall also tires. This was a replacement for a worse truck and now they are saying I stole both trucks.
U-Haul rented me this vehicle and didn't notify me if the outstanding recall also tires. This was a replacement for a worse truck and now they are saying I stole both trucks.
Showing the 3 most serious of 31 complaints filed with NHTSA.
