Bosch Digifant Electronic Fuel Injection (potentially CIS-E on some earlier/specific variants)
Optional Engine 2 Diesel
Engine Code 3 Diesel:
1.6L 4-Cylinder Turbo Diesel (Engine code: JX)
Displacement 3:
1588 cc
Horsepower 3:
70-80 hp
Torque 3:
96-105 lb-ft
Fuel System 3:
Fuel Injection (Diesel)
🔧 Transmission
Standard
Transmission Type Standard:
5-speed Manual Transmission
Optional
Transmission Type Optional:
3-speed or 4-speed Automatic Transmission (e.g., 01M)
Features
Clutch Type:
Dry single-plate clutch
Manual Fluid Type:
SAE 75W-90 or 80W-90 GL-4 Gear Oil
Automatic Fluid Type:
VW G 052 990 (or equivalent ATF)
📐 Dimensions
Exterior
Length:
Approx. 4405 mm (173.4 in)
Width:
Approx. 1690 mm (66.5 in)
Height:
Approx. 1415 mm (55.7 in)
Wheelbase:
Approx. 2470 mm (97.2 in)
Weights
Curb Weight:
Approx. 1100-1300 kg (2425-2866 lbs) depending on engine and trim
🛡️ Safety Features
Ratings
Passive Safety:
Occupant protection via crumple zones, reinforced safety cage. Airbags not standard on all models/markets in 1990.
Active Features
Braking System:
Front disc brakes, rear drum brakes. Optional ABS available on some models.
Passive Features
Seat Belts:
3-point front seat belts, 2-point or 3-point rear seat belts.
💡 Technology Features
Infotainment
Audio System:
Factory AM/FM cassette player, optional CD player available on some trims. Basic speaker system.
Driver Assistance
ABS:
Anti-lock Braking System was an optional feature on higher trims or specific models.
Connectivity
Connectivity Features:
Minimal by modern standards; basic power accessories, optional power windows and locks.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,000-5,000 miles or 6 months, whichever comes first (depending on oil type and driving conditions).
Timing Belt Replacement:
Every 60,000 miles or 4 years (critical for 8v and 16v gasoline engines).
Spark Plug Replacement:
Every 30,000 miles (check specific plug type).
Coolant Flush:
Every 2 years or 30,000 miles.
Fluid Specifications
Engine Oil Type:
SAE 5W-30 or 10W-30 API SG/CD (check owner's manual for specific viscosity and API rating).
Coolant Type:
G11 (Blue) or equivalent ethylene glycol based coolant.
Brake Fluid Type:
DOT 3 or DOT 4
Known Issues
Engine Management:
Digifant system can be sensitive; issues with coolant temperature sensors affecting fuel mixture, idle control valves sticking.
Electrical:
Wiring harness degradation, especially around the engine bay, can lead to intermittent electrical faults. Headlight switch issues.
Suspension:
Worn control arm bushings and ball joints, strut mounts.
HVAC:
Heater core leaks, blower motor failure, A/C system leaks (if equipped).
Rust:
Common on wheel arches, rocker panels, and around windows due to age and climate.
📚 Vehicle History
Brand Heritage
Volkswagen Legacy:
Volkswagen has a long history of producing reliable and well-engineered vehicles, known for their German build quality and practical design.
Model Evolution
Mk2 Generation:
The 1990 Jetta is part of the second generation (A2), which was a significant evolution from the first generation, offering improved aerodynamics, interior space, and refined engineering.
Design Influence:
The A2 Jetta shared its platform with the Golf Mk2, inheriting its robust construction and iconic styling cues.
Production
Production Years:
Second generation (A2) produced from 1984 to 1992.
Manufacturing Locations:
Primarily Germany, Mexico, and South Africa for various markets.
🏆 Awards & Recognition
Recognitions
General Reputation:
The A2 Jetta (including the 1990 model) is generally regarded as a well-built, durable, and competent compact sedan that offers good driving dynamics for its era.