2023 Porsche 718 Cayman Service and Repair Manual

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Factory-Grade Data

2023 Porsche 718 Cayman 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

  • GT4 RS Coupe 2-Door
  • GT4 Coupe 2-Door
  • GTS 4.0 Coupe 2-Door
  • GT4 Hatchback 2-Door
  • GT4 RS Hatchback 2-Door
  • T Coupe 2-Door
  • GTS 4.0 Hatchback 2-Door
  • T Hatchback 2-Door
  • S Hatchback 2-Door
  • Base Hatchback 2-Door

Engines covered

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

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Vehicle Safety Data

2023 Porsche 718 Cayman Recalls & Complaints

No active recalls The 2023 Porsche 718 Cayman has no recalls on file with NHTSA.
TSB #11032418

Parts information for parts withdrawal involving the door lock. The vehicles affected are ones that use the part number(s) mentioned in the attached PDF.

TSB #11032393

Parts information for parts withdrawal involving (992513031K) Shock absorber (spring cyl.). The vehicles affected are ones that use the part number mentioned.

TSB #11032392

Instructions on advanced technical information for 718 GTS 4.0 - Brake Booster (Power Brake) Warning in Instrument Cluster

TSB #11032387

Parts information for parts withdrawal involving the transmission oil. Part number 00004321012 is affected - the vehicles that use this part number should be included.

TSB #11032380

Parts information for Parts Withdrawal - Oil Pressure Sender. The vehicles affected are ones that use the part number PAB906060.

TSB #11032277

Parts information for parts withdrawal involving various parts. The vehicles affected are ones that use the part numbers mentioned. Part numbers: 0PD145703E, 0PD145703H, 0PD907123G, 0PD907123K

TSB #11032276

Parts information for parts withdrawal involving the high-voltage battery. The vehicles affected are ones that use the part numbers mentioned. 9J1915099AS, 9J1915100AS, and 9J1915100AQ

TSB #11032274

Parts information for parts withdrawal involving the transmission oil. The vehicles affected are ones that use the part number 00004330563

Showing the 8 most recent of 278 technical service bulletins on file with NHTSA.

20240109Component: ENGINE

The dealer reported a misfire. Upon detailed investigation and a bore scope, the inside cylinder lining had disintegrated and metal shavings were in engine oil. The motor needed to be replaced. This t

20240109Component: POWER TRAIN

The dealer reported a misfire. Upon detailed investigation and a bore scope, the inside cylinder lining had disintegrated and metal shavings were in engine oil. The motor needed to be replaced. This t

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