The Isuzu Bighorn (known as the Trooper in some markets) was a rugged and capable 4WD that found a strong following in New Zealand. From 1988 to 1991, it offered a blend of off-road prowess and practical on-road comfort. Let's examine the strengths and weaknesses of this iconic SUV.
Common issues for the Isuzu Bighorn/Trooper include rust, particularly around the chassis, body mounts, and wheel arches. Diesel models can suffer from injector pump issues. The 4WD system can experience problems with worn-out actuators and differential issues. Suspension components are prone to wear, especially given their off-road capabilities. Regular checks of the cooling system are vital, as some models are prone to overheating. Oil leaks from the engine and transfer case are also common.
WOF tips
For WOF inspections, check for rust, particularly on the chassis and body mounts. The 4WD system should be tested (if fitted) to ensure proper engagement and disengagement. Suspension components, including ball joints and tie rod ends, should be inspected for wear. Brakes, including brake lines and hoses, need to be in good condition. Lights and indicators must be fully functional. Check the tires are the correct size and in good condition.
About the Isuzu Bighorn TD
The Isuzu Bighorn/Trooper was offered with both petrol and diesel engine options, known for their durability. Its 4WD system made it suitable off-road adventures. The cabin, while not luxurious, was spacious enough for passengers and cargo. Rust, leaky transfer cases and tired suspension are now common issues due to the age of these vehicles.
Questions owners ask
What are the most common rust spots I should check on my 1988-1991 Isuzu Bighorn/Trooper for a WOF in New Zealand?
For your WOF inspection in New Zealand, pay close attention to rust, especially on the chassis, body mounts, and around the wheel arches of your Isuzu Bighorn/Trooper. These areas are particularly prone to corrosion due to the vehicle's age and typical usage.
My 1988-1991 Isuzu Bighorn/Trooper diesel is running rough. Could it be the injector pump?
Yes, diesel models of the 1988-1991 Isuzu Bighorn/Trooper are known to suffer from injector pump issues. If your vehicle is running rough, it's a strong possibility and should be investigated by a qualified mechanic.
Where can I get replacement suspension components for my 1988-1991 Isuzu Bighorn/Trooper in NZ?
CARFIX stocks 137 SKUs for the 1988-1991 Isuzu Bighorn/Trooper, including many suspension components. You can find parts like ball joints, tie rod ends, and shocks on our website or by visiting a CARFIX store in New Zealand.
What should I look out for with the 4WD system on my Isuzu Bighorn/Trooper?
The 4WD system on the 1988-1991 Isuzu Bighorn/Trooper can experience problems with worn-out actuators and differential issues. It's important to ensure the system engages and disengages properly, especially for WOF inspections, as this is a common point of wear given its off-road capabilities.
How often should I service my 1988-1991 Isuzu Bighorn/Trooper?
The recommended service interval for your 1988-1991 Isuzu Bighorn/Trooper is every 10,000km. Regular maintenance, including checks of the cooling system and addressing any oil leaks, is crucial for its longevity.
Are oil leaks common on the 1988-1991 Isuzu Bighorn/Trooper?
Yes, oil leaks from both the engine and transfer case are common issues on the 1988-1991 Isuzu Bighorn/Trooper. It's advisable to regularly check for these and address them promptly to prevent further damage.