Volkswagen ID.4 (E21) 2021-2025 Service Manual

The 2021 Volkswagen ID.4 Service Manual is an essential resource for technicians, service professionals, and DIY enthusiasts who want to understand the inner workings of this all-electric SUV. Covering everything from high-voltage systems to mechanical components, this manual offers detailed procedures and technical specifications necessary for maintaining and repairing the ID.4 to factory standards.

Inside, you’ll find step-by-step service instructions, diagnostic procedures, torque specifications, wiring diagrams, and system overviews. It includes crucial safety protocols for handling electric components and high-voltage batteries, along with guidance on brake service, suspension, HVAC systems, and onboard electronics. Whether you're performing routine maintenance or in-depth troubleshooting, this manual provides the precision and clarity required to get the job done right.

Designed for accuracy and ease of use, the manual supports efficient service workflows and helps extend the vehicle’s lifespan while ensuring optimal performance. Whether used in a professional repair shop or a personal garage, the 2021 ID.4 Service Manual is a trusted companion for anyone working on Volkswagen’s next-generation electric vehicle.

General information - Body

Covers key body-related specifications, materials used in construction, corrosion protection methods, and standard body measurements. Includes guidelines for safe handling, repairs, and sealing techniques to maintain structural integrity and original vehicle safety standards.

• Basic information on body repairs
• Explanation of symbols
• Overview of materials used
• Joining and separating techniques
• Surface repair
• Corrosion protection
• Noise insulation
• Plastic repair
• General notes - windows
• Glass repair
• Use of adhesives
• Self-adhesive components
• Noises
• Preparing for disposal
• Leaks

General body repairs, interior

Includes procedures for removing and installing interior components, such as seats, trim panels, dashboards, and center consoles. Offers detailed instructions for handling wiring, airbags, and comfort systems safely and efficiently during interior repair or replacement work.

• Interior equipment
• Passenger protection
• Trim, insulation
• Seat frames
• Seat - padding, covers

General body repairs, exterior

Provides instructions for repairing and replacing exterior body components, including bumpers, doors, fenders, mirrors, and glazing. Covers proper alignment, fastening methods, and handling techniques to preserve vehicle safety, appearance, and functionality after exterior repairs.

• Technical data
• Body - front

Heating, air conditioning system

Covers the operation, diagnostics, and repair procedures for the heating and air conditioning system, including components such as the heat pump, compressor, blower motor, and cabin air filters. Provides guidance on system checks, refrigerant handling, and climate control calibration to ensure optimal comfort and performance.

• Technical data
• Air conditioning system

DimensionsBasic information on body repairs