1998 Toyota Sienna Thermostat replacement

1998 TOYOTA SIENNA
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PAULTULIP
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Engine Cooling problem
1998 Toyota Sienna 6 cyl Front Wheel Drive Automatic 170K miles

How do I remove the metal pipe that connects the lower radiator hose to the thermostat housing? Will I damage the rubber hose that connects to the housing if I remove it?
Jul 14, 2010 at 6:38 PM
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RASMATAZ
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REMOVAL HINT: Removal of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. Do not remove the thermostat, even if the engine tends to overheat. DRAIN ENGINE COOLANT REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE DISCONNECT ENGINE COOLANT TEMPERATURE (ECT) SWITCH CONNECTORS DISCONNECT ENGINE WIRE PROTECTOR FROM WATER INLET AND RH CYLINDER HEAD


https://www.2carpros.com/forum/automotive_pictures/12900_t1_3.gif

Remove the 2 nuts, and disconnect the engine wire protector from the water inlet and cylinder head. DISCONNECT WATER INLET PIPE FROM WATER INLET AND LH CYLINDER HEAD


https://www.2carpros.com/forum/automotive_pictures/12900_t2_2.gif

Remove the bolt, and disconnect the inlet pipe from the water inlet. Remove the O-ring from the inlet pipe. REMOVE WATER INLET AND THERMOSTAT


https://www.2carpros.com/forum/automotive_pictures/12900_t3_1.gif

Remove the 3 nuts, water inlet and thermostat. Remove the gasket from the thermostat. https://www.2carpros.com/kpages/auto_repair_manuals_alldata.htm
Jul 14, 2010 at 6:51 PM