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looking for pics of how the water pump goes into the cylinder head on a b230e.. 700

I would go with John Sargent's "J-B Weld" (or similar 2-part epoxy putty mix) before even thinking of changing heads. It successfully fixed a gasket surface casting void for me (turbo Oil Inlet flange mount).

A good light and a mirror will show you all you need to know about the head sealing surface. Clean it with solvent & scotch-brite. Then wire brush (brass would be safest) to clean out the pits.

Squeegee on a skim coat of the "weld putty" mix, and level off with a metal straight-edge before it sets, and clean off any extra squeeze-out bits around the coolant hole (basically remove all but what's left in the low spots.)

With a new "mushroom" (flat topped) sealing ring lubed a bit, and levering up on the pump as it's tightened, you'll be good to go.



--
Bruce Young,
'93 940-NA (current)
'80 GLE V8 (Sold 5/03)
'83 Turbo 245
'76 244 (lasted 255,000 miles)
73 142 (98K)
'71 144 (track modified--crusher bound)
New 144 from '67 to '78
Used '62 122 from '63 to '67






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