The 3.0-liter V6 Honda J30Y (also known as JNA2) was produced from 2013 to 2020. It was installed on the second-generation Acura RDX for China and was also part of the hybrid powertrain of the Acura MDX Sport Hybrid; the engine has VCM cylinder deactivation and produces 257-267 hp.
J-series family: J25A, J30A, J35A, J37A, J35Z, J35Y, J32A, J30Y, JNA1.
Specifications
| Production years | 2013-2020 |
| Displacement, cc | 2997 |
| Fuel system | distributed injection |
| Power output, hp | 257 – 267 |
| Torque output, Nm | 296 – 298 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 86 |
| Compression ratio | 10.5 |
| Features | SOHC, VCM |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | i-VTEC |
| Turbocharging | no |
| Recommended engine oil | 0W-20 |
| Engine oil capacity, liter | 4.3 |
| Fuel type | petrol |
| Fuel consumption, L/100 km (for Acura MDX Sport Hybrid 2018) — city — highway — combined |
9.7 8.7 9.4 |
| Weight, kg | 155 |
The engine was installed on:
Disadvantages of the Honda J30Y engine
- A rare engine, so finding a used donor is difficult;
- The main weakness is oil leaks from the VCM cylinder deactivation gaskets;
- If the oil level drops, the camshaft lobes wear quickly;
- Watch the timing belt: if it breaks, the valves bend;
- There are no hydraulic lifters, so the valve clearances must be adjusted every 50,000 km.
Frequently asked questions about the Honda J30Y
How much power does the Honda J30Y make?
The Honda J30Y develops 257 - 267 hp and 296 - 298 Nm of torque.
How much oil does the Honda J30Y take and which one?
Engine oil capacity: 4.3 liters. Recommended oil: 0W-20.
Does the Honda J30Y have a timing belt or chain?
The Honda J30Y uses a timing belt.
Is the Honda J30Y turbocharged?
No, the Honda J30Y is naturally aspirated.
Does the Honda J30Y need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
What is the fuel consumption of the Honda J30Y?
Acura MDX Sport Hybrid 2018: city 9.7, highway 8.7, combined 9.4 L/100 km.
What cars was the Honda J30Y installed on?
Acura MDX 3 (YD3) in 2017 - 2020; Acura RDX 2 (TB3) in 2013 - 2018.
What are the common problems of the Honda J30Y?
A rare engine, so finding a used donor is difficult. The main weakness is oil leaks from the VCM cylinder deactivation gaskets. All known problems.
