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B-Series Cam Seal Install

If you are in a giving mood  

Originally, this article specified an STR cam seal.  STR is no longer in business, but there are numerous sources for an aluminum cam seal for your B-Series engine.  Summit Racing and JDM Password are a few examples of sournces for this seal.

A simple problem, common to most B-block Honda engines is to have an oil leak around the front cam seal.  A simple and aesthetically pleasing solution is to replace the seal with an aftermarket aluminum seal.  These cam seals are a machined aluminum piece which utilizes multiple rubber o-rings to create a seal.  The seal comes in a few different colors.  I chose the red anodized seal.

STR seals (46992 bytes)

Tools Necessary:

  • reliable socket set
  • metric wrenches
  • high temp sealant or Hondabond

The installation process is very easy.  Start by removing the spark plug wire cover.  Once that's out of the way, pull the plug wires out and lay them over to the side.  Remove the valve cover and set it aside.

Once you have the valve cover removed, remove the rail across the cam caps.

i09.jpg (106077 bytes)

Then, there are a couple more bolts that need to be removed to get the cam cap off. Once you get those off, carefully pry the cam cap off.

 

Once that's off, remove the plastic oil seal and pitch it.  The instructions for the seal recommend that you lightly coat the o-rings with oil and apply some sealant to the back of the seal.  I just lightly applied some sealant to the inside edge.  When you put the seal back in, it's a tight fit so don't be alarmed.  Reinstall the cam cap and torque down the bolts to about 7 ft-lbs.  With the cap in place, reinstall the rail back on and torque those bolts down to 20ft-lbs. of torque.  Reinstall the valve cover, sparkplug wires and spark plug cover.

 

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