Question about 1994 Toyota 4Runner

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Where is the thermostat located on a 94 toy/4 cylider

Where is the thermostat located on a 94 toyota 4 runner / 4 cylinder? and what's the best way to replace it?

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Follow the top radiator hose from the radiator to where it attaches onto the engine. The thermostat is inside the housing that the hose attaches to. Remove the radiator hose at thermostat housing. Remove the housing. There are usually two bolts. The thermostat is inside. Scrape off all old gasket material and clean the housing. Install new thermostat and gasket. Be sure not to overtighten the bolts on the housing. The housing is usually cast metal and is easily cracked or broken if the bolts are overtightened. Hope this helps and best wishes.

Posted on Jul 31, 2009

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1995 Toyota Truck 4 Runner 3.0L EFI 6cyl

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Fig. 1: On, 3VZ-E engines the thermostat is located in the waterpump (click over pic for zoom)

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Fig. 2: Exploded view thermostat and housing on the 1FZ-FE engine


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Fig. 3: Exploded view thermostat and housing on the 2RZ-FE and 3RZ-FE engines


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Fig. 4: Exploded view thermostat and housing on the 5VZ-FE engine


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