Heritage Connection:
Represents the evolution of the iconic Porsche 911, transitioning from earlier impact bumper designs to more integrated aerodynamics.
Segment:
High-performance sports car, competing with cars like Ferrari 308/328, Chevrolet Corvette, Lotus Esprit.
Performance Focus:
Renowned for its rear-engine layout, exceptional handling, and a driver-focused experience.
Value Proposition:
Offers a blend of classic Porsche engineering, attainable performance for its era, and a significant ownership experience.
Comprehensive Coverage:
The 'best bang for the buck' due to its exhaustive coverage of a wide range of model years and technical aspects.
Model Years Covered:
1984, 1985, 1986, 1987, 1988, 1989
Engine Variants Covered:
3.2L Flat-6 (M930/21, M930/25, M930/20, M930/26)
Trim Levels Covered:
Carrera, Carrera Targa, Carrera Cabriolet, Carrera Club Sport (if applicable to model year)
Estimated Page Count:
1000+
Manual Type:
Factory Service and Repair Manual
Engine Mechanical:
Complete overhaul, component inspection, timing, lubrication, cooling system
Fuel System:
Bosch Motronic L-Jetronic Fuel Injection, fuel pump, injectors, fuel lines, tank
Ignition System:
Distributor, ignition coil, spark plugs, ignition timing adjustments
Transmission Manual:
G50 Gearbox (from 1987 onwards), G26/12 (pre-1987), clutch system, repair and adjustment
Transmission Automatic:
Not applicable to standard 1984-1989 911 Carrera models.
Suspension Front:
Torsion bar suspension, control arms, shock absorbers, bushings, wheel bearings
Suspension Rear:
Trailing arms, spring plates, shock absorbers, bushings, adjustable spring plates
Steering System:
Rack and pinion, steering column, power steering system (if equipped), troubleshooting
Brake System:
Hydraulic system, ABS (from 1987), brake pads, rotors, calipers, bleeding procedures, parking brake
Electrical System:
Wiring diagrams, fuse box, relays, lighting, starting and charging system, instrument cluster
Body And Chassis:
Body panel removal and installation, structural components, doors, windows, convertible top (Cabriolet)
Climate Control:
HVAC system, blower motor, heater core, A/C system (if equipped)
Maintenance Routine:
Oil changes, filter replacements, tune-ups, belt adjustments, fluid checks
Troubleshooting Diagnostics:
Step-by-step diagnostic procedures for common and uncommon faults, fault codes (if applicable)
Repair Component Level:
Detailed instructions for disassembling, repairing, and reassembling all major vehicle components
Engine Rebuild:
Complete engine disassembly, inspection, machining specifications, and reassembly procedures
Transmission Rebuild:
Detailed steps for gearbox overhaul, including synchromesh, gear selection, and final drive
Suspension Alignment:
Wheel alignment specifications, camber, caster, toe adjustments
Electrical Diagnostics:
Wiring diagrams, circuit testing, component testing, troubleshooting electrical faults
Body Repair:
Panel replacement, rust repair guidance, seam sealer application
Special Tools Usage:
Identification and usage of specialized Porsche tools required for specific repairs
Depth:
Comprehensive: Covers routine maintenance, diagnostics, component repair, and full rebuilds.
Engine Type:
Naturally Aspirated Flat-6 (Boxer)
Displacement:
3.2 Liters (3164 cc)
Bore X Stroke:
95.0 mm x 74.4 mm
Compression Ratio:
10.3:1
Valve Train:
SOHC, 2 valves per cylinder (pushrod actuated)
Horsepower Est:
207-217 hp @ 5900-6100 rpm (model year dependent)
Torque Est:
195-200 lb-ft @ 4800-4900 rpm (model year dependent)
Fuel Injection:
Bosch Motronic LH-Jetronic (later models may feature variations)
Fuel Type:
Unleaded Premium Unleaded Gasoline (91+ octane recommended)
Cooling Type:
Air-cooled (with oil cooling via integrated oil cooler in front of engine)
Oil Change Interval:
Every 5,000-7,500 miles or annually, whichever comes first. Refer to manual for exact specs.
Major Service Interval:
Typically every 15,000-30,000 miles, involving valve adjustments, spark plug replacement, etc. Manual is critical here.
Engine Oil Type:
High-quality synthetic or semi-synthetic SAE 20W-50 or 15W-50 is commonly recommended. Consult manual for specific viscosity.
Engine Oil Capacity:
Approx. 10-11 Liters (10.6-11.6 Quarts) with filter.
Transmission Fluid Type:
GL-4 or GL-5 Gear Oil (e.g., Mobil 1 75W-90 or specific Porsche spec). Manual will detail precise type and quantity.
Brake Fluid Type:
DOT 3 or DOT 4 High-Temperature Brake Fluid.
Coolant Type:
N/A (Air-cooled engine, but oil cooler circuit may have specific fluid needs that are minimal).
Oil Leaks:
Common due to aged seals and gaskets (e.g., valve covers, oil cooler seals, through-bolts).
Engine Rattles:
Can indicate cylinder head stud issues (heat exchangers and cylinder head studs need attention).
Fuel Line Degradation:
Original rubber fuel lines can degrade over time and should be inspected and replaced.
Suspension Bushings:
Rubber bushings in control arms and suspension components can wear out, affecting handling.
G50 Gearbox Issues:
Early G50s could have clutch release bearing issues; later units are more robust.
Oil Filter Example:
Porsche Part # 999.107.002.00 (OEM); Mann Filter W 928/1, Mahle OX 108
Air Filter Example:
Porsche Part # 930.108.203.00; Mann Filter C 36 144
Porsche Legacy:
The 911 is Porsche's flagship sports car, continuously developed since 1963, embodying the brand's performance ethos.
G Series Updates:
This generation (G-Series) saw continuous refinement, with the 3.2 Carrera being a significant evolution, featuring improved engine management and safety standards of the era.
Production Period:
1974-1989 (G-Series), with 3.2 Carrera models specifically from 1984-1989.
Manufacturing Location:
Stuttgart-Zuffenhausen, Germany.
Significance Of Era:
Represents the last air-cooled naturally aspirated 911 generation before the introduction of the 964 (water-cooled front radiators).
