The MAZDA RX-4 Base offered New Zealand drivers a unique alternative in the 1970s, thanks to its distinctive rotary engine and sporty styling. This wiki provides helpful information for owners looking to maintain and understand their RX-4.
RX-4 owners should be aware of potential issues, including apex seal failure, which is a common concern with rotary engines. Poor fuel economy and a tendency to overheat are also known weak points. These problems often surface around 80,000 to 120,000 kilometers.
WOF tips
When preparing your RX-4 for a Warrant of Fitness (WoF) inspection, keep an eye on these common problem areas: rotary engine oil leaks, excessive play in steering components, and rust in the sills and floor pan.
About the Mazda RX-4 12A
The RX-4 gained traction in New Zealand for its unconventional rotary engine and sporty design, appealing to buyers seeking something beyond the typical sedan.
Maintaining Your MAZDA RX-4 Base
Regular maintenance is crucial for keeping your RX-4 in top condition. Consider these points when servicing your vehicle: • Engine Care: The rotary engine requires specific care. Regular oil changes are essential. Consider using appropriate radiator coolant to manage engine temperature. • Driveline Maintenance: Examine universal joints/couplings at the front and rear for wear or damage. Pay attention to the oil seal on the transmission/gearbox output rear extension. • Suspension & Steering: Regularly inspect the shocks/struts at the front, as well as the front sway bar link upper bushings. Also check the steering rack boot kit for integrity. • Braking & Wheel System: Ensure wheel nuts are correctly tightened to specification. The wheel bearings at the front and rear require periodic attention. Consider using a high-quality wheel bearing grease for the front. • Electrical System: Inspect the distributor cap and consider the condition of the thermo fan switch and windscreen washer pump. Replace wiper blades at the front when needed. • Filtration: Remember to check the condition of you automatic transmission filter.
Questions owners ask
What are the most common issues with the MAZDA RX-4 1973–1975 rotary engine?
The rotary engine in the MAZDA RX-4 1973–1975 is known for potential apex seal failure, particularly between 80,000 and 120,000 kilometers. Owners also frequently report poor fuel economy and a tendency for the engine to overheat. Regular oil changes and using appropriate radiator coolant are crucial for managing these issues.
What should I check on my MAZDA RX-4 1973–1975 before a WoF inspection in New Zealand?
For your MAZDA RX-4 1973–1975 WoF inspection, pay close attention to potential rotary engine oil leaks, excessive play in steering components, and rust in the sills and floor pan. Also, ensure your front wiper blades are in good condition and that the steering rack boot kit is intact.
Where can I get replacement universal joints/couplings for my MAZDA RX-4 1973–1975 in NZ?
CARFIX stocks 240 SKUs for the MAZDA RX-4 1973–1975. You can find universal joints/couplings for both the front and rear driveline, as well as other essential parts like distributor caps and front sway bar link upper bushings, through CARFIX in New Zealand.
How often should I change the oil in my MAZDA RX-4 1973–1975?
Regular oil changes are essential for the unique rotary engine of your MAZDA RX-4 1973–1975. The recommended service interval for this vehicle is every 5000km to ensure optimal engine health and longevity.
What are the critical maintenance points for the driveline and suspension on my MAZDA RX-4 1973–1975?
For the driveline, regularly examine the universal joints/couplings at the front and rear for wear or damage, and pay attention to the oil seal on the transmission/gearbox output rear extension. For suspension, inspect the shocks/struts at the front and the front sway bar link upper bushings. Don't forget to check the steering rack boot kit for integrity.
What kind of wheel bearing grease should I use for the front wheels of my MAZDA RX-4 1973–1975?
When servicing the front wheel bearings on your MAZDA RX-4 1973–1975, it's recommended to use a high-quality wheel bearing grease. The front and rear wheel bearings require periodic attention to ensure proper function and safety.