Transfer Case Extension Housing Seals

Replacement Parts > Transfer Case > Gaskets and Sealing Systems

Transfer Case Extension Housing Seals

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What is a transfer case extension housing seal?

A transfer case extension housing seal is a ring-shaped seal that fits into place on the extension housing of a transfer case. It helps to prevent fluid leaks and keep the transfer case operating properly.

What is the purpose of a transfer case extension housing seal?

The purpose of a transfer case extension housing seal is to keep fluids such as transmission fluid or lubricant in the transfer case, and prevent any leaks or contaminants from entering the transfer case.

How do I know if my transfer case extension housing seal is faulty?

If your transfer case extension housing seal is faulty, you may notice oil or fluid leaking from the transfer case, or hear grinding or whining noises coming from the transfer case. You may also notice that the transfer case is not shifting properly or is leaking.

Can a faulty transfer case extension housing seal cause damage?

Yes, a faulty transfer case extension housing seal can cause damage to the transfer case if it is not replaced. If the seal fails and begins to leak, it can allow contaminants to enter the transfer case, leading to wear and tear on the gears and other components.

How do I replace a transfer case extension housing seal?

Replacing a transfer case extension housing seal requires some mechanical knowledge and experience. The steps involved are as follows:

  1. Remove the transfer case from the vehicle.
  2. Disassemble the transfer case to gain access to the extension housing.
  3. Remove the old seal and clean the area where the seal was located.
  4. Install the new seal.
  5. Reassemble the transfer case and reinstall it in the vehicle.


How often should I inspect my transfer case extension housing seal?

It is a good idea to inspect your transfer case extension housing seal regularly. You should inspect it at least every 6 months or 10,000 miles, whichever comes first. If you notice any signs of leaking, you should replace the seal immediately.