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Old 11-25-2001, 09:59 AM
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Join Date: Sep 2001
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Changing valve stem seals on a M103

What is involved in changing the valve stem seals on a M103 engine? My primary question is this: Does the camshaft have to be removed or can it be accomplished by simply removing the rocker arms as is done on the v8's. I have changed the seals on the single overhead cam V8 (420sel's) a few times and it is no big deal.
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Old 11-26-2001, 05:27 AM
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The valve seals can be done without removing the camshaft.
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Old 11-26-2001, 06:14 AM
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Same as the V8s, it requires the removal of the rocker arms only. Much easier since there is only one bank and plenty of room.

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