CARFIX

Isuzu Bighorn i (1987–1991)

The Isuzu Bighorn (also known as the Trooper) from 1987-1991 represented a generation of rugged, capable 4x4s that were a hit in New Zealand. Known for their robust construction and off-road prowess, these vehicles are still popular choices for those seeking adventure on a budget. However, age brings its own set of challenges.

Parts for the Isuzu Bighorn i

Known issues

Common issues include wear in the front suspension, particularly the ball joints and idler arm. Diesel models are prone to injector pump issues. Overheating can occur, so inspect the cooling system thoroughly. Rust is a significant concern, affecting the chassis, body panels, and floor pans.

WOF tips

Check for rust in the usual trouble spots, especially around the chassis rails, sills, and wheel arches. The condition of the suspension components is critical for WOF compliance. Ensure all lights are functioning correctly, including the high beams and fog lights (if equipped). Pay close attention to brake performance, as these vehicles can be heavy.

About the Isuzu Bighorn i

These Bighorns/Troopers offered a choice of petrol and diesel engines, with the diesel being particularly popular for its fuel efficiency and torque. Four-wheel drive was standard, as well as a high-low transfer case. The live axle front suspension and sturdy chassis made this a competent off-roader. Interior comfort was basic but functional. Many units were used extensively for off-roading so expect wear and tear.

Questions owners ask

What are the most common issues to look out for when buying a 1987-1991 Isuzu Bighorn/Trooper in New Zealand?
When inspecting a 1987-1991 Isuzu Bighorn/Trooper, pay close attention to rust, which is a significant concern affecting the chassis, body panels, and floor pans. Also, check for wear in the front suspension, particularly the ball joints and idler arm. Diesel models are prone to injector pump issues, and overheating can occur, so inspect the cooling system thoroughly.
Where can I get replacement suspension parts for my 1987-1991 Isuzu Bighorn/Trooper in NZ?
CARFIX stocks 397 SKUs for the 1987-1991 Isuzu Bighorn/Trooper, including critical front suspension components like ball joints and idler arms. You can find these parts, along with other essential maintenance items, through CARFIX for your vehicle.
What should I specifically check on my 1987-1991 Isuzu Bighorn/Trooper for a WOF inspection in NZ?
For a WOF inspection on your 1987-1991 Isuzu Bighorn/Trooper, thoroughly check for rust, especially around the chassis rails, sills, and wheel arches. The condition of the suspension components, such as ball joints and idler arms, is critical. Ensure all lights, including high beams and fog lights (if equipped), are functioning correctly. Also, pay close attention to brake performance due to the vehicle's weight.
Are the diesel engines in the 1987-1991 Isuzu Bighorn/Trooper reliable, and what should I know about them?
The diesel engines in the 1987-1991 Isuzu Bighorn/Trooper were popular for their fuel efficiency and torque, making them well-suited for off-roading. However, they are prone to injector pump issues, so it's important to ensure this system is in good working order. Regular maintenance, including checking the cooling system to prevent overheating, is crucial.
How often should I service my 1987-1991 Isuzu Bighorn/Trooper?
The recommended service interval for your 1987-1991 Isuzu Bighorn/Trooper is every 10,000km. Given the common issues like suspension wear and potential cooling system problems, adhering to this schedule is important for maintaining the vehicle's performance and longevity.