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Heating AC and Engine Cooling
Water Pumps
VW Jetta
Waste and Recycling

When changing a water pump on a 1994 Nissan is a gasket needed or can rtv sealant be used by itself?


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Wiki User
2004-12-22 17:39:36
2004-12-22 17:39:36

On most cars a gasket is required along with the RTV sealant. A new gasket should have come with the water pump. Ask the parts house where you purchased the part.

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The head gasket itself is relatively cheap..around $20 at most but the labor involved with changing it would probably be at least $400 if done in a shop.

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You do not "lube" the gasket with anything. If it is a flat paper gasket, you can use any shelac type sealer, but you don't have to as these will usually swell with contact with coolant and seal. If it is the kind that is a rubber ring around the thermostat itself, these require no sealant as pressure alone seal the housing to the motor.

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more than likely it is the water pump gasket,it probably has a tear in it or just dry rotted from age and use or if it is leaking out of the water pump itself it is the seal inside the water pump itself if this is the case the water pump must be replaced if it is the gasket just replace the gasket ...

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Some head gaskets come with a coat of "Copper coat" sealant already on it. You can use copper coat on a head gasket safely. I prefer "Indian Head Shellac" myself. Just be sure to completely clean the heads first, and apply the sealant liberally. If you use too much, you can damage your engine by the sealant leaking into the engine itself.


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