The Isuzu Bighorn, known as the Trooper in some markets, was a popular all-rounder. These are robust 4WD SUVs of the 90s, it was known for its practical design and reliable performance. From 1991-1998, they became a common sight on New Zealand roads. A blend of utility and off-road prowess.
Common issues with the Isuzu Bighorn/Trooper (1991-1998): • Diesel Injector Pump Issues: Especially in the 4JG2 engine, leading to starting and running issues. • Turbocharger Problems: Oil leaks and bearing wear. • Suspension Wear: Bushings and ball joints in the suspension system wear out. • Rust: Check in the sills, wheel arches, and chassis. • Electrical Problems: Age-related wiring issues.
WOF tips
WOF Inspection: • Suspension Components: Check for excessive play in ball joints, tie rod ends, and worn bushings. • Brake Condition: Inspect brake pads, rotors, and brake lines for wear and leaks. • Lighting: Ensure all lights are functioning correctly, including headlights, taillights, and indicators. • Tyre Condition: Check for adequate tread depth and sidewall damage. • Rust: Affecting structural integrity will result in a WOF failure.
About the Isuzu Bighorn 6VD1 (SOHC)
The Isuzu Bighorn/Trooper has engines from 3.1L turbo diesel (4JG2) and 3.2L V6 petrol. The Bighorn's leaf-spring rear suspension provided robustness for load-carrying and towing. Different trim levels and features offered a range of convenience features. Age-related issues are pretty common.
Questions owners ask
What are the most common issues to look out for in a 1991-1998 Isuzu Bighorn or Trooper?
Owners of the 1991-1998 Isuzu Bighorn/Trooper often encounter issues such as diesel injector pump problems, particularly in the 4JG2 engine, which can cause starting and running difficulties. Turbocharger problems, including oil leaks and bearing wear, are also common. Suspension wear, affecting bushings and ball joints, and age-related electrical problems are frequently reported. Rust is another significant concern, often appearing in the sills, wheel arches, and chassis.
Where can I get replacement suspension bushings and ball joints for my 1991-1998 Isuzu Bighorn/Trooper in NZ?
CARFIX stocks 191 SKUs for the 1991-1998 Isuzu Bighorn/Trooper. You can find replacement suspension bushings and ball joints, along with other essential parts, directly through CARFIX in New Zealand. We also have 5 DIY guides available that might assist with installation.
What should I pay close attention to during a WOF inspection for my Isuzu Bighorn/Trooper (1991-1998)?
For a WOF inspection on your 1991-1998 Isuzu Bighorn/Trooper, pay close attention to suspension components, checking for excessive play in ball joints, tie rod ends, and worn bushings. Ensure brake pads, rotors, and brake lines are in good condition without excessive wear or leaks. All lights, including headlights, taillights, and indicators, must be functioning correctly. Tyre condition, including adequate tread depth and no sidewall damage, is crucial. Finally, any rust affecting the structural integrity of the vehicle will result in a WOF failure.
Are there specific engine issues for the 3.1L turbo diesel (4JG2) engine in the Isuzu Bighorn/Trooper?
Yes, the 3.1L turbo diesel (4JG2) engine in the Isuzu Bighorn/Trooper is particularly prone to diesel injector pump issues, which can lead to problems with starting and overall running performance. Turbocharger problems, such as oil leaks and bearing wear, are also common with this engine.
How often should I service my 1991-1998 Isuzu Bighorn/Trooper?
The recommended service interval for your 1991-1998 Isuzu Bighorn/Trooper is every 10,000km to ensure its longevity and reliable performance.
My Isuzu Bighorn has leaf-spring rear suspension. What are the benefits of this setup?
The leaf-spring rear suspension on your Isuzu Bighorn provides excellent robustness, making it well-suited for load-carrying and towing. This design contributes to the vehicle's durability, especially when hauling heavy items or pulling a trailer.