Safe to use RTV instead of a gasket on water pump?

		Rotary Car Club > Tech Discussion > RX-7 2nd Gen Specific (1986-92)
Safe to use RTV instead of a gasket on water pump?

RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

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06-17-2010, 04:08 PM	#16
rx4ur7 Rotary since 1972 Join Date: Nov 2008 Location: Tucson iTrader: (0) Posts: 231 Rep Power: 17	RETed is correct. You really need to use the proper gasket. Housings do break, have seen it. Problem with using a lot of rtv will be that excess will go to the inside and will usually fall off and will get into the cooling system usually ends up blocking off internal cooling holes in rotor housings, or thermostat. When it blocks the ports in the rotor housings it will cause overheating in that area eventually causing motor failure. Do not know how many overheated motors I have had come through here that were caused by someone using RTV.

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