Question about 1999 Chevrolet Silverado 1500

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92 4-Runner running hot

I have a 92 4-Runner, its running hot. I have changed the thermostate and was thinking of replacing the water pump? What next. I took the radiator cap off and while cool started up and the water looked fine? I also replaced the radiator, which was badly clogged.

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Replace radiator cap and start monitoring the freeze plugs on the engine block.

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Posted on Dec 25, 2009

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Take it to another shop, The water pump doen't hold the Thermostate. The thermostate is in the thermostate housing where the end of the radiator hose is connected to the egine. 
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