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Discussion Starter · #1 ·
I am finishing up with my first valve adjustment on a 2003 749, and have a question about reassembling the horizontal head.
After I reinstall the cam and cam supports, the cam end plugs press in from the left side. On the horizontal head the water union is in the way. If I remove the water union, do I need a new o-ring for reassembly, or is it reusable? Is it reasonable to set the end plugs in place when installing the cam supports? That way I could leave the water union undisturbed. If I had a new o-ring I'd just remove and replace the water union.
Thoughts appreciated.
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