Checking Transmission Fluid Level on 2014 Nissan Pathfinder After Transmission Cooler Installation

Published 11/08/2018

Question:

I have ordered this cooler...how much extra trans fluid is needed. Thank you

asked by: Mike B

Expert Reply:

Addition of a plate/fin transmission cooler such as the Derale Class III cooler # D13503 that fits your 2014 Nissan Pathfinder will usually mean only a few more ounces of fluid is needed to reach the full line on your dipstick. This will vary slightly from vehicle to vehicle and depends mostly on the specific length of hose used to install it. Typically this is rarely more than about one cup, 8-ounces.

The best way to proceed is to complete installation of the cooler and run the engine. Shift through all gears and drive a short distance, such as down the block and back. Then check the fluid level on your dipstick according to Nissan's instruction. Usually dipsticks will tell you to check the level with the vehicle engine/transmission fully-warmed, running and with the transmission in park. Ensure the vehicle is on level ground when you check the fluid.

If needed, add more fluid of the appropriate formulation in small amounts and then re-start the vehicle. Repeat the shifting process and again drive a short distance. Add fluid in small increments and repeat the process until your fluid level reaches the full line on the dipstick.

expert reply by: Adam R