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Check your coolant temperature switch first to make sure it is working. Thermostat should be behind the flywheel on the front of the block in the water pump. You have to remove the flywheel to get to it.

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โˆ™ 2010-01-11 20:48:07
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Q: Where is the thermostate on a 1989 Jeep Wrangler with a vortec engine?
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