2021 Porsche 718 Boxster Service and Repair Manual

Regular price $49.99 USD
Covers all 2021 718 Boxster trims — S Convertible 2-Door, Base Convertible 2-Door, GTS 4.0 Convertible 2-Door +2 more ·
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2021 Porsche 718 Boxster 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

  • S Convertible 2-Door
  • Base Convertible 2-Door
  • GTS 4.0 Convertible 2-Door
  • T Convertible 2-Door
  • 25 Years Convertible 2-Door

Engines covered

  • 2.5L 2497CC 152Cu. In. H4 GAS DOHC Turbocharged
  • 2.0L 1988CC 121Cu. In. H4 GAS DOHC Turbocharged
  • 4.0L 3996CC H6 GAS DOHC Naturally Aspirated

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
No active recalls The 2021 Porsche 718 Boxster has no recalls on file with NHTSA.
TSB #11033656

Tech live look information bulletin for How to use Frontline.io on the HoloLens 2

TSB #11033655

Tech live look information bulletin for how to use fronline.io on mobile devices and tablets.

TSB #11033654

Parts information for parts withdrawal involving the door lock. The part numbers involved are all included in the PDF. All parts before generation status S08 and before pro-duction date 01.09.2024. The vehicles affected are ones that use th

TSB #11033637

Manufacturers certificate for an overview of approved Porsche C20 engine oils. Includes all MY21 vehicles

TSB #11033625

Parts information for parts withdrawal involving 9J1827447B, PAA971221B, and 95B201060AA. The lock, the fuel tank attachments, and the module connector. The vehicles affected are ones that use the part number(s) mentioned.

TSB #11033597

Special tools and equipment information for VAS 6296/10 Auto-Ship and Q1 2026 Software Spec Update Available

TSB #11033595

Parts information for parts withdrawal involving the (976809858) Fuel filler flap module. The vehicles affected are ones that use the part number mentioned.

TSB #11033534

Parts information for parts withdrawal involving servomotor and rear light. Part numbers affected are 976411881E, 976511881E, PAD411881B, PAD511881A, PAD411881C, 973945093BC. The vehicles involved are ones that use the part numbers mentione

Showing the 8 most recent of 308 technical service bulletins on file with NHTSA.

20251022Component: SEAT BELTS

The seat belt mechanism does not retract on the passenger side of my 2021 Porsche Boxster GTS 718. There was no warning and nothing happened to have caused this. This seat is hardly used as I am the s

20220630Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

There is an intermittent problem where the backup camera fails to display an image when the gear selector is in Reverse. Backup camera reveals hazards that are not visible from the driver’s seat.

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