DIY tool combining a Bearing Race tool with one or more plumbing couplers.
How to use a rear main seal install tool:
With a little creativity, you can put together your own rear main seal installer.
Rear main seal installer as seen in Basic Engine Building:
With our collection of plastic tubing, masking tape, and a bearing race driver, we got our rear main seal installed in no time. Other than an existing race driver tool, we spent about $10 getting plumbing pieces from the local hard ware store.