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Toyota Previa
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Why would a Toyota Previa Motive 8 Auto blow water back through the overflow but the temperature does not rise abnormally?

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2011-09-13 17:18:48
2011-09-13 17:18:48

most Toyota thermostats must be inserted a certain way, on my starlet there is a hole in the side of the thermostat that must face the rear of the engine block. mine was not placed properly and the thermostat housing broke during removal and was cold welded rather than pay $125 for a new one. this caused the water to flow out the overflow yet the engine ran fine and did not overheat. just can not keep enough water in to go more than a block or two. simple mistakes lead to big problems. read the manufactuarers instructions before replacing. could be a piece of something blocking full flow also.good luck.

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