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1986 Porsche 944 Service and Repair Manual
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$29.99 USD
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Covers all 1986 944 trims — Base Coupe 2-Door, Turbo Coupe 2-Door ·
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Complete repair procedures
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1986 Porsche 944 Service and Repair Manual
Regular price
$29.99 USD
Unit price
1986 Porsche 944 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 Coupe 2-Door
- Turbo Coupe 2-Door
Engines covered
- 2.5L 2475CC l4 GAS SOHC Naturally Aspirated
- 2.5L 2475CC l4 GAS SOHC 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
THE PROTECTIVE SLEEVE COVERING OF THE RETURN FUEL HOSE BETWEEN THE PRESSURE REGULATOR AND FUEL RETURN PIPE WAS SHORTENED LEAVING PART OF THE HOSE EXPOSED. IN SOME INSTANCES THIS PART OF THE HOSE
Remedy
NEW HOSE WILL BE INSTALLED WITH A LONGER PREFORMED SLEEVE DESIGNED TO PREVENT KINKING. THE REPL
Information for PIWIS tester update 42.300.050 & .052
Instructions on manufactures certificate for approved Porsche A40 engine oils
Instructions on manufacturers certificate for approved C20 engine oils
Instructions on manufactures certificate for approved Porsche C30 engine oils
Information for PIWIS tester update 42.300.035
Information for PIWIS tester update 42.300.040 & .041
Information for PIWIS tester update 42.300.030 - .032
Parts information for parts withdrawal involving the glass roof - 9J0877069EY and 9J0877069DY
Showing the 8 most recent of 72 technical service bulletins on file with NHTSA.
RUBBER FUEL HOSE FROM WHEEL WELL ROUTED OVER EXHAUST HEADER TO FUEL RAIL ATTACHED TO CAM TOWER STARTED TO LEAK ON ENGINE AND FIRE STARTED. I WAS RIGHT THERE AND CAUGHT IT BEFORE THE FIRE GOT TOO BIG.
NO SUMMARY
VEHICLE CAME IN FOR SMOG TEST AND FOUND FUEL LINE DRIPPING FUEL AT FUEL PRESSURE REGULATOR SIDE OF LINE. CHECKED FOR RECALLS AND FOUND THAT THERE IS A RECALL FOR REPLACEMENT OF THE FUEL LINE FOR THE E
THE SPEED CONTROL UNIT WILL RANDOMLY PICK NEW SPEEDS AT IRREGULAR INTERVALS. IN SOME CASES IT WILL RETURN TO THE ORIGINAL SPEED AFTER SOME TIME, IN SOME CASES IT WILL CONTINUE AT WHATEVER SPEED IT W
Other Years of the Porsche 944
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