This coupe offered a sporty and relatively luxurious (for its time) experience, attracting those seeking something different. The rotary engine was still niche, meaning specialist maintenance is a must.
Rotary engine wear (apex seals), rusting, fuel economy (or lack thereof), and cooling system vulnerabilities are the key weaknesses.
WOF tips
Rust, especially in the usual trouble spots (sills, wheel arches, and floor pans), rotary engine health (apex seals a primary concern), cooling system condition, and brake system condition.
About the Mazda RX-4 13B Sedan
This stylish coupe is defined by its unique rotary engine note. While it didn't have significant motorsport success in NZ, its distinctive sound was always appreciated by Kiwi petrol-heads. Apex seals demand an especially close eye, and the cooling system is notoriously vulnerable.
Questions owners ask
What are the common issues I should look out for with a 1974-1978 MAZDA RX-4 in New Zealand?
Owners of the MAZDA RX-4 1974–1978 in New Zealand should be particularly vigilant about rotary engine wear, especially concerning the apex seals. Rust is a significant concern, commonly appearing in sills, wheel arches, and floor pans. The cooling system is also notoriously vulnerable, and the fuel economy is generally poor.
Where can I get replacement apex seals for my MAZDA RX-4 1974–1978 in NZ?
CARFIX stocks 244 SKUs for the MAZDA RX-4 1974–1978. While 'apex seals' isn't a direct partslot category, you can check our engine component listings or contact our team to inquire about specific rotary engine parts. We also have 1 DIY video available which might offer guidance.
What are the key WOF inspection points for a MAZDA RX-4 1974–1978 in New Zealand?
For a MAZDA RX-4 1974–1978 WOF in NZ, inspectors will pay close attention to rust, particularly in the sills, wheel arches, and floor pans. The health of the rotary engine, with apex seals being a primary concern, will be assessed. The condition of the cooling system and the brake system are also critical inspection points.
How often should I service my MAZDA RX-4 1974–1978?
The recommended service interval for the MAZDA RX-4 1974–1978 is every 5000km. Given the unique rotary engine and its vulnerabilities, adhering strictly to this schedule is crucial for maintaining its health.
Is the MAZDA RX-4 1974–1978 known for rust issues?
Yes, the MAZDA RX-4 1974–1978 is known for rust susceptibility. Common trouble spots include the sills, wheel arches, and floor pans. Regular inspection and preventative measures are highly recommended for owners in New Zealand.
What makes the MAZDA RX-4 1974–1978's engine unique?
The MAZDA RX-4 1974–1978 is powered by a distinctive rotary engine, known for its unique engine note that was appreciated by Kiwi petrol-heads. However, this engine type requires specialist knowledge and careful maintenance, particularly concerning the apex seals and cooling system.