Automatic Transmission Differential Seals

Replacement Parts > Transmission Replacements > Gaskets and Sealing Systems

Automatic Transmission Differential Seals

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What is an Automatic Transmission Differential Seal?

An Automatic Transmission Differential Seal is a rubber seal used to keep fluid in the differential of an automatic transmission. It is responsible for keeping the fluid where it needs to be in order to lubricate and cool the transmission components.

How can I tell if my Automatic Transmission Differential Seal is faulty?

There are several signs that can indicate a faulty Automatic Transmission Differential Seal. These signs include: leaking or seeping transmission fluid, difficulty shifting gears, transmission noises, and/or vibration when driving.

What damage can a faulty Automatic Transmission Differential Seal cause?

A faulty Automatic Transmission Differential Seal can cause damage to the transmission and its components due to a lack of lubrication. It can also lead to internal corrosion and other serious issues that can lead to more costly repairs.

How do I replace an Automatic Transmission Differential Seal?

Replacing an Automatic Transmission Differential Seal is a complex process that should only be done by a qualified mechanic. The steps involved include:

  1. Removing the differential from the transmission
  2. Drain the transmission fluid
  3. Remove the old seal
  4. Install the new seal
  5. Fill the transmission with new fluid
  6. Reinstall the differential to the transmission


How often should I inspect my Automatic Transmission Differential Seal?

The Automatic Transmission Differential Seal should be inspected at least once a year, or when any signs of a faulty seal appear. Doing regular inspections can help prevent costly repairs down the line.