What is Acura rear differential fluid?
Acura Differential Fluid (VTM-4) was developed exclusively for the Acura MDX active torque rear differential. Provides the required co-efficient of friction for proper limited slip operation. Superior lubrication qualities with selected additives to reduce noise and wear.
What does VTM-4 mean on Acura MDX?
Variable Torque Management 4WD System
The Variable Torque Management 4WD System (VTM-4) automatically transfers varying amounts of engine torque to the rear wheels under lower traction conditions. If more traction is needed when your MDX is stuck, or is likely to become stuck, you can use the VTM-4 Lock button to increase torque to the rear wheels.
How often replace rear differential fluid Acura RDX?
every 30,000 to 50,000 miles
Differential oil should be changed every 30,000 to 50,000 miles. You should aim to have the gear oil changed every 30,000 miles, but it’s a good idea to have a mechanic check the differential oil during regular maintenance services.
Why does my VTM-4 light keep coming on?
The system turns on and off automatically. If it comes on, it means that your car has lower traction at that particular moment. Normally, the VTM-4 light is nothing to worry about. It just means that your torque management system is working to compensate for adverse road conditions.
What does it mean when a VTM-4 light comes on?
When this indicator is on, one or more of your tires is significantly under inflated. You should stop and check your tires as soon as possible. The VTM-4 Lock will temporarily disengage when the vehicle speed exceeds 18 mph (30 km/h).
What happens if transfer case has no fluid?
Difficulty changing gears – Low or dirty transfer case fluid can affect your transmission’s ability to shift gears. It can also result in your car unexpectedly falling out of four-wheel drive. Loud noises while driving – As the transfer case fluid loses its lubricating properties, friction will occur inside.
What does VTM-4 do?
The VTM-4 Lock® feature allows you to manually lock the rear differential in place to get you moving when faced with extreme conditions. By simply pushing the Lock button, you can fully engage four-wheel drive to gain momentum, putting all of your power to the rear axle.
What fluid goes in the transfer case?
automatic transmission fluid (ATF)
Transfer cases may be filled with gear oil, automatic transmission fluid (ATF), or specialty lubricants. It is important to regularly inspect the transfer case for any damage, leaks, or other concerns.