The 1988 Saab 900 features a robust 5-speed manual transmission system known for its smooth shifting and durability. This manual covers operation, maintenance, troubleshooting, and specifications for the manual transmission variant. The Saab 900's front-wheel drive layout with longitudinal engine mounting provides excellent handling characteristics and reliable performance.
The 1988 Saab 900 manual transmission is a 5-speed fully synchronized unit designed for optimal performance and longevity.
| Specification | Details |
|---|---|
| Transmission Type | 5-speed manual, fully synchronized |
| Gear Ratios | 1st: 3.67, 2nd: 2.05, 3rd: 1.38, 4th: 1.03, 5th: 0.86, Reverse: 3.67 |
| Final Drive Ratio | 3.56:1 |
| Clutch Type | Single dry plate, hydraulic operation |
| Fluid Capacity | 2.1 liters (2.2 quarts) |
| Fluid Type | SAE 75W-90 GL-4 gear oil |
| Shift Linkage | Direct rod linkage |
| Weight | Approximately 45 kg (99 lbs) |
Standard H-pattern shift layout with reverse gear position.
NOTE! Always depress clutch fully before shifting. Use reverse only when vehicle is completely stopped.
Hydraulic clutch system with self-adjusting mechanism.
WARNING! Do not ride clutch pedal. Replace clutch components as complete set.
Proper shifting technique ensures smooth operation and extends transmission life.
Normal Operation: Depress clutch fully, shift smoothly, release clutch gradually. Avoid forced shifts and gear grinding.
Cold Weather: Allow transmission to warm up with gentle driving for first few minutes. Shifting may be stiffer when cold.
Downshifting: Always rev-match when downshifting to reduce synchro wear. Use engine braking appropriately.
Regular maintenance ensures optimal transmission performance and longevity.
Tip: Use only specified GL-4 gear oil. GL-5 can damage synchronizers.
Typical problems encountered with 1988 Saab 900 manual transmission.
| Issue | Description |
|---|---|
| Difficult shifting | Worn synchronizers or incorrect fluid |
| Gear grinding | Worn clutch or synchro rings |
| Transmission noise | Worn bearings or insufficient fluid |
| Clutch slippage | Worn clutch disc or pressure plate |
| Fluid leaks | Worn seals or gaskets |
| Stuck in gear | Shift linkage issues or internal damage |
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Hard to shift into gear | Low fluid, worn clutch, linkage issues | Check fluid level, inspect clutch, lubricate linkage |
| Gears pop out | Worn detents, damaged shift forks | Inspect internal components, replace worn parts |
| Whining noise | Worn bearings, low fluid level | Check fluid, inspect bearings for wear |
| Clutch chatter | Oil contamination, worn pressure plate | Replace clutch components, check rear main seal |
| Fluid leaks | Worn seals, loose drain/fill plugs | Replace seals, tighten plugs to specification |
Professional Service: Complex internal repairs require specialized tools and expertise.
Original warranty: 12 months/unlimited mileage from date of purchase. Extended coverage available through SAAB dealers. Warranty covers defects in materials and workmanship. Normal wear items (clutch, synchros) not covered. For warranty claims, contact authorized SAAB service center with proof of purchase and maintenance records.
Support: Contact SAAB customer service at 1-800-955-9007 or visit www.saabusa.com for technical assistance and dealer locations.