Lenny Posted December 5, 2009 Share Posted December 5, 2009 91' RR Classic 3.9. Recently drained all coolant minus one cylinder bank(i.e. bottom hose off and cyclinder plug) What's the best method to refill the system through fill tower to prevent air locks forming? The manual suggests keeping the expansion cap, fill tower and radiator plugs off, then starting engine - does this sound sensible? Thanks. Quote Link to comment Share on other sites More sharing options...
vougese39 Posted December 7, 2009 Share Posted December 7, 2009 fill the rad up first then fill the tower up when fluid leaks from the rad hole fit bung then start as sson as coolant leaks from the tower fit bung leave rad cap off and allow to run up to temp see how it goes Quote Link to comment Share on other sites More sharing options...
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