"while the other two just keep the pump from rattling around"..... if that's the case, then wrap some plumbers Teflon tape around the bolts and put some Locktite on 'em.
WARNING: Temporary <img src="/forums/images/graemlins/notooth.gif" alt="" /> fix.

HTH
Van <img src="/forums/images/graemlins/patriot.gif" alt="" /> <img src="/forums/images/graemlins/cheers.gif" alt="" />


'94 Isuzu Pickup, 4x4
NEVER give up...