Have the leak diagnosed and repaired to prevent more serious problems.Īfter you have added fluid, drive the vehicle for a mile or two, then recheck the level. Tip: If the fluid level is low, you have a leak! Transmissions do not consume fluid. Some of the added fluid will adhere to the side of the filler tube and can give a false reading. Tip: If you have added fluid, go through the same procedure, but repeat the process several times before you look for a reading. This will stop the agitation and give an accurate level (no agitation) before the fluid in the torque converter has had a chance to drain back into the pan area which would give a false-high reading.
The fluid volume expands when heated to operating temperature.Īnother method of checking the fluid is to turn off the engine and immediately check the level. Also, the difference of fluid temperature will affect the measurement.
When the engine is started, the fluid in the pan area is used to fully charge the transmission and torque converter. Note: If you check the fluid level after the engine has been off for a long time, fluid from the torque converter will drain back into the pan area where the level is measured and give you a false high reading. Some transmissions are worse than others. This creates an uneven level and some fluid will “slosh” onto the stick and give a false reading. The reason to check both sides of the dipstick is that after the fluid circulates through the transmission, it dumps back into the pan area and will cause an agitation of the fluid. Look at both sides of the stick to verify the same indication. How do I check the transmission fluid level?Īlways check the fluid level with the engine running (except Honda), the transmission in “park” (except Dodge products which should be in neutral with the emergency brake applied), and with the engine at operating temperature.
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