coolant leaking on manifold

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coolant leaking on manifold

Post by coreys73chevelle on Sat Jul 17, 2010 12:47 am

i just got the High Rise today from Limey (really nice one too thanks Limey!) anyway. I installed it today.
put in a new thermostat just because they are cheap and worth the extra little bit, put on a new water neck (got rid of the stupid leaky chrome one for a stock style) and reinstalled it (gaskets looked great) and i tighted it up then squeezed the upper radiator hose a few times to get a lil pressure and it leaked coolant on the sides of the manifold so i tighted it up more and it helped but it still leaks coolant in one spot between the first two bolts on the passanger side.

-i know its not the wrong manifold it fits great but i was thinking that the gaskets on the sides (head sides) are maybe molded into form to the other manifold making it leak? so you think could new gaskets fix it? or a thicker gasket? the manifold walls are really really thick
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Re: coolant leaking on manifold

Post by McCauley5983 on Sat Jul 17, 2010 2:07 am

did you reuse the old gaskets?
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Re: coolant leaking on manifold

Post by The Dude on Sat Jul 17, 2010 8:25 am

Get new gaskets & don't forget to use silicone.
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Re: coolant leaking on manifold

Post by maliburacinfreak on Sat Jul 17, 2010 1:05 pm

why would you attempt reusing old gaskets? intake gaskets are cheap and then, you only have to do it once.

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Re: coolant leaking on manifold

Post by 74chick on Sat Jul 17, 2010 2:20 pm

Next time you take off the housing, rub it on the ground too help flaten out the gasket serface. Use two gaskets rtv'ed together and blue rtv.
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Re: coolant leaking on manifold

Post by pila on Sun Jul 18, 2010 11:40 pm

Sounds like a lesson learned about re-using an old gasket. The only gaskets usually re-usable are the good, thick, silicone rocker cover gaskets, which work great for sealing.

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