Can you put gear oil in an automatic transmission?

Can you put gear oil in an automatic transmission?

Whilst some manual gearboxes do use transmission fluids in place of gear oil, the same cannot be said for putting gear oil into an automatic transmission. Gear oil is much too viscous for these systems and will cause clogging between components.

Is transmission fluid vehicle specific?

Be sure to check your transmission fluid regularly. They also take a specific type of transmission fluid that is designed for CVTs only. If your vehicle has a CVT, or if you’re not sure what kind of transmission your vehicle has, check your owner’s manual to find out.

Do you leave car running while adding transmission fluid?

Part 2 of 2: How to Add the Fluid. Keep your engine idling with the transmission in park and the parking brake set. Your car’s engine should be running when you add fluid to the transmission, but you should have the transmission in park and the handbrake activated for safety.

Can I put transmission fluid in while its hot?

If you add fluid to your transmission while the car is off, the only thing you’ve done is add fluid. Simply put nothing happens other than adding fluid to the transmission. Transmission fluid is checked when it’s hot (up to running temperature). As the fluid gets up to temperature it expands.

Does transmission fluid expand when hot?

If the fluid level is OK when cold, it should also be within the cross hatched area for “H” as well. The reason for checking when both hot and cold is transmission fluid expands as it is heated. Transmission fluid expands and keeps expanding the hotter it gets.

At what temperature should I check my transmission fluid?

According to Toyota, the ideal time to inspect the transmission fluid level is when the temperature of the fluid is between 104 and 113 F. You are generally checking the fluid level in your shop that is around 190 F.

Can I check my transmission fluid after driving?

Bring the engine and transmission to normal operating temperature. The easiest way to do this is to check the fluid level right after driving the car for a while. Hold your foot on the brake, and work the shifter slowly through the gears. Give the transmission a second or two in each gear range.