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Old 06-05-2014, 08:26 AM
97 SL320 97 SL320 is offline
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Join Date: Jan 2012
Posts: 7,534
The only additional difficulty for a bucket type system is removing the old seal and that does not change if the head is off.

There are tools to compress the spring, this is a tube with slots cut in it so you can compress the spring and extract the keepers.

There is a u shaped grabber that will pull off the old seal. You can also use a small sharp chisel from the top to split the steel body of the seal. If it is a one piece rubber seal, the grabber will pull them off.

If you are able to change one, you will be able to change the others.

And, at the end of all this, if you can't get the first one off, just continue with head removal. It is worth the risk.
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