Automatic Transmission Extension Housing Seals

Replacement Parts > Transmission Replacements > Gaskets and Sealing Systems

Automatic Transmission Extension Housing Seals

Important: To get started, click the blue "Filter Options" button to select your vehicle and then use the filters to narrow your options.

Important: To get started, select your vehicle on the left and then use the filters to narrow your options.

What is an Automatic Transmission Extension Housing Seal?

An Automatic Transmission Extension Housing Seal is a sealant that is used to keep lubricants and other fluids from escaping the transmission extension housing. It is usually made of rubber or some type of plastic material.

What is the purpose of an Automatic Transmission Extension Housing Seal?

The purpose of an Automatic Transmission Extension Housing Seal is to keep lubricants and other fluids from leaking out of the transmission extension housing. It also helps to prevent dirt and debris from entering the transmission and causing damage.

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

You can check for signs of a faulty Automatic Transmission Extension Housing Seal by inspecting the seal for any cracks, tears, or gaps. You can also check for fluid or lubricant leakage around the seal. If the seal is dry or brittle, it could indicate a problem.

Can a faulty Automatic Transmission Extension Housing Seal cause damage?

Yes, a faulty Automatic Transmission Extension Housing Seal can cause damage to the transmission and other components. Leaking lubricants and fluids can cause dirt and debris to enter the transmission, causing wear and damage to the internal components.

How do I replace an Automatic Transmission Extension Housing Seal?

Replacing an Automatic Transmission Extension Housing Seal is a relatively straightforward process. Here are the steps:

  1. Disconnect the battery and drain the transmission fluid.
  2. Remove the transmission extension housing and clean the area of any debris or dirt.
  3. Use a sealant to lubricate the new seal before installing it.
  4. Place the new seal into the transmission extension housing.
  5. Reinstall the transmission extension housing and fill the transmission with the recommended fluid.
  6. Reconnect the battery and test the transmission.


How often should I inspect my Automatic Transmission Extension Housing Seal?

It is recommended that you inspect your Automatic Transmission Extension Housing Seal regularly, such as every 15,000 miles. If you notice any cracks, tears, or gaps, it should be replaced as soon as possible.