This questions can be applied to gaskets in general I guess, but Ive removed the engine cover with old waterpump intact. The pump housing is STUCK STUCK STUCK to the cover. I have a feeling that the prev owner used RTV/Permatex to apply the housing gasket. I've tapped the small housing firmly with the ole rubber mallet from all sides - still really stuck to the cover. Any ideas on getting the housing free without damaging the aluminum bits? The local auto parts store is out of stock on gasket remover for the next few days...