CARFIX

Nissan AD MR18DE (2006–present)

The NISSAN AD Base is a common sight on New Zealand roads, known for its reliability and practicality as a work van. Typically serving tradespeople and delivery services, these vehicles often accumulate high mileage. This guide provides insights into maintaining your AD Base, common issues to watch out for, and tips for keeping it running smoothly.

Parts for the Nissan AD MR18DE

Known issues

Owners often report the following issues with the NISSAN AD Base, particularly around 150,000-250,000 km:
• CV Joints: Keep an eye out for clicking or popping noises when turning, which could indicate worn CV joints.
• Rust: Areas around the rear wheel arches are prone to rust. Regularly inspect and address any signs of corrosion.
• Engine Oil Leaks: The QR series engine is known for potential oil leaks. Monitor oil levels and investigate any signs of leakage.

WOF tips

When preparing your NISSAN AD Base for its WOF (Warrant of Fitness) inspection, be sure to pay attention to the following:
• Rear Suspension Bushes: Ensure they are in good condition and not excessively worn.
• Rust Around Windscreen: Check for any rust around the windscreen, as this can affect structural integrity.
• Brake Lines Corrosion: Inspect brake lines for corrosion, as this is a common cause for WOF failure.

About the Nissan AD MR18DE

While the NISSAN AD Base lacks a specific motorsport heritage or groundbreaking engineering feats, it has earned its place as a dependable workhorse in New Zealand.

Maintenance Matters

Regular maintenance is key to prolonging the life of your NISSAN AD Base. Consider these components as part of your maintenance routine:
• Filters: Regularly replacing the automatic transmission filter will contribute to smooth gear changes.
• Fluids: Maintaining the correct level and condition of the automatic transmission fluid is essential.
• Seals & Gaskets: Inspect oil seals like the crankshaft front oil seal and valve stem seals for leaks. Replacing the head set/valve regrind gasket set when servicing the engine is also advisable.
• Cooling System: Periodically check and replace the coolant temperature sensor/sender and water pump.
• Suspension & Steering: Keep an eye on sway bar coupling mounts, steering rack ends, front bump stops, and shocks/struts and replace as needed as these ensure a comfortable and safe driving experience.
• Engine Sensors: The oxygen sensor and knock sensor play critical roles in engine performance and fuel efficiency. Check their condition regularly.
• Wipers: Maintain clear visibility by replacing wiper blades as needed.

Replacement Parts Considerations

Here's a list of the parts and why and when to examine them for replacement:
• Alternator Pulley: An appropriate alternator pulley ensures that your alternator is functioning properly

Note: This list is not exhaustive, and other components may require attention based on your vehicle's specific condition and usage.

Questions owners ask

What are the common WOF failure points for a NISSAN AD 2006–2999 in New Zealand?
When preparing your NISSAN AD 2006–2999 for its WOF, pay close attention to the rear suspension bushes, ensuring they are not excessively worn. Also, inspect for any rust around the windscreen, as this can compromise structural integrity. Finally, check brake lines for corrosion, as this is a frequent cause of WOF failure for this model.
Where can I get an alternator pulley for my NISSAN AD 2006–2999 in NZ?
CARFIX stocks 229 SKUs for the NISSAN AD 2006–2999, including an appropriate alternator pulley to ensure your alternator functions correctly. You can find this and other parts on the CARFIX website.
What are the most common issues reported by owners of the NISSAN AD 2006–2999, especially at higher mileage?
Owners of the NISSAN AD 2006–2999 often report issues around 150,000-250,000 km. These include clicking or popping noises when turning, which can indicate worn CV joints. Rust is also common, particularly around the rear wheel arches. Additionally, the QR series engine is known for potential oil leaks, so monitor oil levels regularly.
How often should I change the automatic transmission fluid and filter on my NISSAN AD 2006–2999?
Regularly replacing the automatic transmission filter and maintaining the correct level and condition of the automatic transmission fluid are essential for smooth gear changes and the longevity of your NISSAN AD 2006–2999. While the exact interval isn't specified, it's a critical part of your 10,000km service routine.
What engine sensors should I regularly check on my NISSAN AD 2006–2999?
For optimal engine performance and fuel efficiency in your NISSAN AD 2006–2999, regularly check the condition of the oxygen sensor and the knock sensor, as they play critical roles in the engine's operation.
Are there any specific oil seals or gaskets I should be aware of for my NISSAN AD 2006–2999?
Yes, for your NISSAN AD 2006–2999, it's advisable to inspect oil seals like the crankshaft front oil seal and valve stem seals for any leaks. When servicing the engine, replacing the head set/valve regrind gasket set is also recommended.