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Volkswagen AG AHU Engine Specs

Volkswagen AG

Quick overview

Volkswagen AG AHU is a 1.9L (1896 cc) diesel engine with 90 HP, 210 Nm, 19.5:1 compression ratio. Typical service life: 400 000+ km.

90
HP
1.9L (1896 cm³)
Displacement
210
Torque
Diesel
Fuel

Description

The AHU is an evolution of the 1Z engine with improved emissions control and slightly more torque (210 Nm vs 202 Nm). It features the same reliable 90 hp output but with better environmental compliance. Widely used in Golf IV, Passat B5, and Audi A3.

General Information

Production Years: 1996–2001
Fuel Type: Diesel
Power (HP): 90
Power (kW): 66
Displacement: 1.9L (1896 cm³) (115.7 cu.in)
Torque: 210 (155 lb-ft)
Cylinder Block Alloy: Cast Iron
Cylinder Head Alloy: Aluminum
Has Turbo: Yes
Engine Layout: I4
Aspiration Type: Turbocharged
Fuel System: Distribution pump (Bosch VP37)
Cylinders Count: 4

Technical Details

Cylinder Diameter: 79.5 mm
Piston Stroke: 95.5 mm
Total Valves: 8
Total Intake Valves: 4
Total Exhaust Valves: 4
Intake Valves per Cylinder: 1
Exhaust Valves per Cylinder: 1
Firing Order: 1-3-4-2
Weight: 172 kg (379 lbs)
Compression Ratio: 19.5:1
Hydraulic Lifters: Yes

Maintenance

Oil Capacity: 4.3L (4.5 qts)
Recommended Oil: VW 505.01 (5W-40)
Operating Temperature: 87-105°C (189-221°F)
Thermostat Temperature: 87°C (189°F)
Service Life (km): 400 000+ km (249-0 miles)
Timing Belt/Chain Interval: 90,000 km