1991 Lamborghini Diablo
Introduction
The 1991 Lamborghini Diablo is a legendary supercar known for its iconic wedge-shaped design and powerful V12 engine. The Diablo was offered with multiple engine and transmission options, including the Diablo VT with a viscous coupling all-wheel-drive system. Despite its impressive performance and exotic appeal, the Diablo was not without its issues.
Engine
5.7-liter V12
- Cam cover gasket failure Description/Symptoms: Oil leaks from the cam cover gaskets, leading to engine oil consumption and a burning oil smell. Solution: Replace the cam cover gaskets. Estimated Cost to Fix: $1,000 - $1,500
6.0-liter V12
- Crankshaft bearing failure Description/Symptoms: Knocking or grinding noises from the engine, accompanied by loss of oil pressure. Solution: Replace the crankshaft bearings and related components. Estimated Cost to Fix: $5,000 - $10,000+
Transmission
5-speed Manual
- Clutch failure Description/Symptoms: Slipping or grinding during shifts, difficulty engaging gears. Solution: Replace the clutch disc, pressure plate, and other related components. Estimated Cost to Fix: $2,000 - $3,000
4-speed Automatic (VT)
- Transmission fluid leaks Description/Symptoms: Transmission fluid leaking from the transmission case, causing loss of fluid and potential transmission damage. Solution: Replace or repair the leaking components, such as seals or gaskets. Estimated Cost to Fix: $500 - $1,500
Suspension
Front suspension strut failure Description/Symptoms: Noisy or rattling front suspension, reduced handling and stability. Solution: Replace the struts, strut mounts, and other related components. Estimated Cost to Fix: $1,000 - $2,000
Rear suspension shock failure Description/Symptoms: Noisy or sagging rear suspension, reduced ride comfort and handling. Solution: Replace the shocks and other related components, such as bushings or seals. Estimated Cost to Fix: $800 - $1,500
Electrical
Alternator failure Description/Symptoms: Battery not charging, dim lights, electrical system issues. Solution: Replace the alternator. Estimated Cost to Fix: $500 - $1,000
Starter failure Description/Symptoms: Difficulty or failure to start the engine. Solution: Replace the starter motor. Estimated Cost to Fix: $300 - $500
Exterior
Door latch failure Description/Symptoms: Doors not closing properly or opening unexpectedly while driving. Solution: Replace the door latch mechanisms. Estimated Cost to Fix: $500 - $1,000
Sunroof seal failure Description/Symptoms: Water leaks into the cabin when it rains. Solution: Replace the sunroof seals or gasket. Estimated Cost to Fix: $200 - $500
Interior
- Power window switch failure Description/Symptoms: Power windows not functioning properly or intermittently. Solution: Replace the power window switch or wiring harness. Estimated Cost to Fix: $200 - $400
Summary
The 1991 Lamborghini Diablo is a demanding and expensive car to maintain. The potential issues listed above can be severe and costly to repair. However, finding a well-maintained Diablo can offer an unforgettable driving experience that justifies the challenges of ownership.