The Volkswagen Transporter (T4), produced from 1990 to 2003, represented a significant leap forward for the iconic van, moving from rear-wheel drive to a front-wheel drive layout for most variants. The 2.4 D (78 hp) L1H1 panel van, specifically manufactured between 1990 and 1995, was a workhorse model aimed at commercial users prioritizing economy and practicality. This configuration, utilizing the AAB engine code, occupied the entry-level position within the T4 diesel range, offering a more affordable alternative to the more powerful and technologically advanced TDI models. The L1H1 designation refers to the short wheelbase and low roof height, making it a compact and versatile option for urban deliveries and tradespeople.
Technical Specifications
| Brand | Volkswagen |
| Model | Transporter |
| Generation | Transporter (T4) Panel Van |
| Type (Engine) | 2.4 D (78 Hp) L1H1 |
| Start of production | 1990 year |
| End of production | 1995 year |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Van |
| Seats | 2 |
| Doors | 4-5 |
| Fuel consumption (combined) | 9.4 l/100 km (25 US mpg, 30.1 UK mpg, 10.6 km/l) |
| Fuel Type | Diesel |
| Maximum speed | 137 km/h (85.13 mph) |
| Weight-to-power ratio | 20.4 kg/Hp, 48.9 Hp/tonne |
| Weight-to-torque ratio | 9.7 kg/Nm, 102.8 Nm/tonne |
| Power | 78 Hp @ 3700 rpm |
| Power per litre | 32.9 Hp/l |
| Torque | 164 Nm @ 1800-2200 rpm (120.96 lb.-ft. @ 1800-2200 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | AAB |
| Engine displacement | 2370 cm3 (144.63 cu. in.) |
| Number of cylinders | 5 |
| Engine configuration | Inline |
| Cylinder Bore | 79.5 mm (3.13 in.) |
| Piston Stroke | 95.5 mm (3.76 in.) |
| Compression ratio | 22.5:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Precombustion chamber injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | SOHC |
| Engine oil capacity | 5.5 l (5.81 US qt | 4.84 UK qt) |
| Coolant | 9 l (9.51 US qt | 7.92 UK qt) |
| Kerb Weight | 1595 kg (3516.37 lbs.) |
| Max. weight | 2395-2775 kg (5280.07 – 6117.83 lbs.) |
| Max load | 800-1180 kg (1763.7 – 2601.45 lbs.) |
| Trunk (boot) space – maximum | 5400 l (190.7 cu. ft.) |
| Fuel tank capacity | 80 l (21.13 US gal | 17.6 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load without brakes | 700 kg (1543.24 lbs.) |
| Permitted towbar download | 100 kg (220.46 lbs.) |
| Length | 4650 mm (183.07 in.) |
| Width | 1840 mm (72.44 in.) |
| Height | 1940 mm (76.38 in.) |
| Wheelbase | 2920 mm (114.96 in.) |
| Front track | 1575 mm (62.01 in.) |
| Rear (Back) track | 1540 mm (60.63 in.) |
| Ride height (ground clearance) | 180 mm (7.09 in.) |
| Drag coefficient (Cd) | 0.36 |
| Minimum turning circle (turning diameter) | 11.7 m (38.39 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front suspension | Independent torsion bar, double wishbone, Transverse stabilizer |
| Rear suspension | Independent coil spring, Trailing arm |
| Front brakes | Disc |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 195/70 R15; 205/65 R15; 215/65 R15 |
| Wheel rims size | 6J x 15; 7J x 15 |
Powertrain & Engine Architecture
The heart of the T4 2.4 D L1H1 is the AAB engine, a 2.4-liter inline five-cylinder diesel. This engine utilized a precombustion chamber injection system, a common technology in diesel engines of the era. Fuel was injected into a precombustion chamber, where it partially ignited, then flowed into the main combustion chamber to complete the process. This design aided in smoother combustion and reduced engine noise compared to direct injection systems. The single overhead camshaft (SOHC) operated two valves per cylinder. The engine produced 78 horsepower at 3700 rpm and 164 Nm (120.96 lb-ft) of torque between 1800 and 2200 rpm. The engine’s transverse mounting and front-wheel drive configuration were a departure from the previous generation, impacting handling and packaging. The standard transmission was a five-speed manual, although a four-speed automatic was available as an option, albeit less common with this engine.
Driving Characteristics
The 2.4 D with 78 hp was not known for its blistering performance. Acceleration was modest, and overtaking required careful planning. The engine’s strength lay in its torque, providing reasonable pulling power for carrying loads. The five-speed manual transmission helped to keep the engine in its optimal operating range, while the optional automatic, though convenient, further diminished acceleration. Compared to the more powerful 1.9 TDI or VR6 variants, the 2.4 D felt significantly slower. However, it offered a more relaxed driving experience, particularly suited for city work and shorter distances. The front-wheel drive configuration provided predictable handling, but lacked the all-weather capability of the optional four-wheel drive (Syncro) models.
Equipment & Trim Levels
The 2.4 D L1H1 was typically a basic, utilitarian trim level. Standard equipment included a driver’s airbag, power steering, and a basic stereo. The interior was functional, with durable plastic trim and cloth upholstery. Optional extras included air conditioning, electric windows, and upgraded seating. The L1H1 configuration prioritized cargo space, with a maximum volume of 5400 liters (190.7 cubic feet). The van’s interior was designed for practicality, with minimal frills. The dashboard layout was straightforward, with clearly labeled controls.
Chassis & Braking
The T4 utilized an independent torsion bar suspension at the front, providing a comfortable ride and predictable handling. The rear suspension employed a trailing arm setup with coil springs. Front brakes were discs, while rear brakes were drums – a cost-saving measure common in this segment. Anti-lock braking system (ABS) was standard, enhancing safety. The steering was a rack and pinion system with hydraulic power assistance. The relatively light curb weight of 1595 kg (3516.37 lbs) helped to mitigate the engine’s modest power output. Stabilizer bars were fitted to both axles to reduce body roll.
Market Reception & Comparison
The T4 2.4 D L1H1 was well-received by businesses and tradespeople seeking a reliable and economical work van. Critics acknowledged its practicality and fuel efficiency, but noted its lack of performance. Compared to the more expensive TDI models, the 2.4 D offered a lower purchase price and simpler mechanicals, making it an attractive option for budget-conscious buyers. The TDI engines offered significantly improved performance and fuel economy, but came at a higher cost and with more complex technology. The 2.4 D’s simplicity also translated to lower maintenance costs, a key consideration for commercial operators.
Legacy
The AAB 2.4-liter diesel engine, while not known for its refinement, proved to be remarkably durable. Many examples are still on the road today, testament to its robust construction. The T4 2.4 D L1H1 remains a popular choice in the used van market, particularly among those seeking a simple, affordable, and reliable workhorse. However, potential buyers should be aware of the age-related issues common to older vehicles, such as corrosion and wear and tear on suspension components. The T4’s transition to front-wheel drive and its improved space utilization cemented its position as a versatile and practical van, continuing the Transporter’s legacy as a favorite among commercial users.
