Official Porsche 911 Carrera Coupe, Targa, Cabriolet, 930/21 & 930/25 Passenger Car - Factory Service & Repair Manual (1984-1989)
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Sample pages from the Official Porsche 911 Carrera Coupe, Targa, Cabriolet, 930/21 & 930/25 Passenger Car - Factory Service & Repair Manual (1984-1989) manual
Purchase Information
1984-1989 Porsche 911 Carrera Coupe, Targa & Cabriolet Service Manual - Technical Specifications
- Document Number / Seller:
- 25124 / Donald Gomez
- File Size:
- 277.48 MB
- File Type:
- Language:
- English
- Pages:
- 717
- Printable:
- Yes
- Estimated Download Time:
- 5.68 Minutes
- Delivery Format:
- Digital (PDF) - Instant Access
- Category:
- Car
- Brand:
- Porsche
- Reviewed and Approved:
- Dec 28, 2025
Porsche Models and Parts Covered in this Car Manual
- 911 Carrera Coupe (1984-1989)
- 911 Carrera Targa (1984-1989)
- 911 Carrera Cabriolet (1984-1989)
- 911 Carrera 930/21 (1984-1986)
- 911 Carrera 930/25 (1987-1989)
Complete Manual Information
Official Porsche 911 Carrera (1984-1989) Factory Service & Repair Manual
Maintain the performance and value of your air-cooled classic with this professional-grade technical resource. This manual provides the high-level factory data required to service the 3.2 liter G-Body Porsche 911, covering the pivotal years of 1984 through 1989. Designed for both dedicated owners and master technicians, this guide offers precise instructions for everything from basic maintenance to complex engine and transmission overhauls.
Comprehensive Model Coverage
This manual is specifically engineered for the following Porsche 911 models:
- 911 Carrera Coupe (1984-1989)
- 911 Carrera Targa (1984-1989)
- 911 Carrera Cabriolet (1984-1989)
- 911 Carrera 930/21 (1984-1986)
- 911 Carrera 930/25 (1987-1989)
Vital Identification & Technical Data
Accuracy is critical when sourcing parts or performing restorations. This manual includes official identification guides to ensure you are working with the correct specifications for your specific vehicle:
- Vehicle Identification: Detailed guidance on decoding VINs located on the windshield pillar and the luggage compartment lid.
- Engine Identification: Specific serial number locations for the 3.2L flat-six powerplants. This includes the 930/21 engine type found in 1984-1986 models and the updated 930/25 engine used from 1987-1989.
- Transmission Identification: Coverage for the classic 915 5-speed manual and the highly sought-after G50 hydraulic 5-speed transmission introduced in the 1987 model year.
Professional-Grade Service Sections
- Engine Management & Mechanicals: Complete procedures for the iconic 3.2L boxer engine. Includes critical valve overlap adjustments (standard 0.10 mm / 0.004 in. clearance), camshaft timing chain service, and full engine removal/installation guides.
- Fuel Injection & Ignition: In-depth diagnostics for the Bosch Motronic DME (Digital Motor Electronics) system, including fuel pump testing, injector service, and ignition system troubleshooting for both early and late G-Model variants.
- Drivetrain & Transmission: Detailed teardown and assembly for the manual gearboxes. Coverage includes clutch hydraulic service (for G50 models), gear synchronization, and differential maintenance.
- Suspension, Brakes & Steering: Step-by-step instructions for front and rear suspension alignment, brake booster troubleshooting (both vacuum and hydraulic assist), and steering rack service. Includes torque specifications for all major chassis components.
- Climate Control & Electrical: Specific sections for the A/C system, including rear condenser removal and R-12 system capacities (1350 gr. total), along with comprehensive wiring diagrams located at the rear of the manual for precise electrical repair.
Optimized for the Workshop
Every section is structured for clarity, featuring high-resolution technical drawings and exploded-view diagrams. Whether you are performing a concours-level restoration or routine track-day preparation, this manual ensures that every bolt is tightened to factory specifications and every diagnostic step follows official Porsche protocols.
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Frequently Asked Questions - Porsche Car Manual
What does this Porsche manual cover?
This comprehensive service manual covers detailed repair procedures, maintenance schedules, troubleshooting guides, and technical specifications for Official Porsche 911 Carrera Coupe, Targa, Cabriolet, 930/21 & 930/25 Passenger Car - Factory Service & Repair Manual (1984-1989). It includes information for the following models: - 911 Carrera Coupe (1984-1989) - 911 Carrera Targa (1984-1989) - 911 Carrera Cabriolet (1984-1989) - 911 Carrera 930/21 (1984-1986) - 911 Carrera 930/25 (1987-1989).
Is this manual suitable for beginners?
Yes, this Porsche manual is designed for both professional technicians and DIY enthusiasts. It includes step-by-step procedures with clear illustrations and safety guidelines for Car maintenance and repair.
What file format will I receive?
You will receive this manual as a PDF file (277.48 MB), which is compatible with all devices. The manual is fully searchable and printable for your convenience.
How quickly can I access the manual after purchase?
You'll receive instant access to your Porsche Car manual immediately after payment completion. The download link is valid for 3 days, with lifetime re-download guarantee.
Does this manual include wiring diagrams?
Yes, this automotive service manual typically includes electrical wiring diagrams, component locations, and diagnostic procedures specific to your Porsche vehicle model.
Can I print specific sections of the manual?
Absolutely! This digital manual allows you to print any section you need, from individual pages to complete chapters, making it perfect for workshop use.
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