The 1987 Porsche 944 features a robust 5-speed manual transmission system designed for optimal performance and driving engagement. This rear-wheel drive sports car utilizes a transaxle layout with the transmission mounted at the rear for improved weight distribution. Below are key sections covering specifications, operation, maintenance, troubleshooting, and technical details.
The 1987 Porsche 944 manual transmission is a Type 016 5-speed unit with synchronized gears and hydraulic clutch operation.
| Specification | Details |
|---|---|
| Transmission Type | 5-speed manual, rear-mounted transaxle |
| Model Code | Type 016 |
| Clutch Type | Single dry disc, hydraulic operation |
| Final Drive Ratio | 3.889:1 |
| Fluid Capacity | 2.2 liters (2.3 quarts) |
| Fluid Type | 75W-90 GL-5 Gear Oil |
| Shift Pattern | H-pattern with reverse left and up |
| Weight | Approximately 85 lbs (38.5 kg) |
| Case Material | Aluminum alloy |
| Synchronizers | Borg-Warner style on all forward gears |
Optimal gear selection for various driving conditions and performance requirements.
PERFORMANCE NOTE: Maximum recommended shift points: 1-2: 35 mph, 2-3: 55 mph, 3-4: 75 mph, 4-5: 95 mph.
Proper shifting techniques to ensure smooth operation and extended transmission life.
WARNING! Do not rest hand on shift lever during normal driving as this can cause premature wear.
Proper fluid selection and maintenance procedures for optimal transmission performance.
Recommended Fluid: Porsche-approved 75W-90 GL-5 gear oil or equivalent synthetic gear oil.
Capacity: 2.2 liters (2.3 US quarts) when dry, 2.0 liters (2.1 US quarts) during fluid change.
Change Procedure: Remove fill plug first, then drain plug. Refill until fluid runs out fill hole. Torque plugs to 25 Nm (18 ft-lbs).
Hydraulic clutch system specifications and maintenance requirements.
Tip: Bleed clutch hydraulic system whenever fluid is changed or if pedal feels spongy.
Typical problems encountered with the 944 manual transmission and their remedies.
WARNING! Address transmission issues promptly to prevent further damage.
Basic procedure for transmission removal and installation (professional recommended).
CAUTION! Transmission weighs approximately 85 lbs; use proper lifting equipment.
Reference diagrams for transmission components and shift linkage.
Shift Linkage Assembly: Consists of shift lever, carrier, and connecting rods with rubber bushings.
Transmission Cross-section: Shows gear arrangement, synchronizers, and bearing locations.
Hydraulic Clutch System: Diagrams of master cylinder, slave cylinder, and fluid lines.
Original warranty coverage and current support options.
Original Porsche warranty: 2 years/unlimited mileage from date of purchase. Current support available through Porsche Classic Center for genuine replacement parts. For technical assistance, contact Porsche Customer Service at 1-800-PORSCHE or visit www.porsche.com.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Difficulty shifting into gear | Low clutch fluid, worn clutch | Check fluid level, bleed system, inspect clutch wear |
| Grinding during shifts | Worn synchronizers, low fluid | Replace synchronizers, check fluid level and condition |
| Transmission jumps out of gear | Worn detents, shift linkage | Inspect shift forks and detent mechanism |
| Noise in neutral | Input shaft bearing wear | Replace input shaft bearing |
| Vibration under acceleration | Worn driveshaft couplings | Replace flex disc and center support bearing |
| Fluid leaks | Worn seals, loose plugs | Replace input/output shaft seals, check plug tightness |
Professional Service: Recommended for complex transmission repairs. Contact authorized Porsche service center.
Parts Support: Genuine Porsche parts available through Porsche Classic program.