Locate the thermostat. It is near the alternator. If you follow the upper radiator hose, it runs from the driver's side of the radiator up across the engine, and back around over the engine to the middle of the block near the alternator. Remove the plastic heater hose clip from the lower thermostat bolt head. Remove both thermostat bolts using the ratchet, extension and a socket.
Separate the thermostat from the engine. It will spill some leftover antifreeze, so hold it upward and try to support it under some other engine components to allow the contents of the hose drain back into the radiator.
Remove the old thermostat and clean the flange of the upper and lower thermostat housing using the gasket scraper. Clean this very thoroughly. Any debris or leftover gasket could cause a leak in the coolant system. Insert the new thermostat and gasket and replace the bolts. Tighten the bolts thoroughly with the ratchet, extension, and socket.
Replace the plastic heater hose clip to the lower thermostat bolt head. Remove the thermostat outlet-to-engine retainers usually either 2 bolts or 1 bolt and 1 stud , then remove outlet from the intake manifold. Remove the thermostat from the housing, noting the orientation for installation purposes. Home Chevrolet Blazer Ignition Timing. The thermostat is located between the water outlet and a housing built into the intake manifold. Install the thermostat to the housing, oriented as noted during removal, then position a new gasket if used.
Install the outlet retainers and tighten to 14 ft. Properly fill the engine cooling system and check for leaks. Step 1 Find your Silverado's thermostat housing. Step 2 Drain your Silverado's radiator of coolant by disconnecting a bottom hose from the radiator and allowing the coolant to flow into a clean bucket or similar container. Step 3 Disconnect the coolant hose from the thermostat housing so you can access the three bolts connecting the thermostat housing to the water pump.
Step 4 Use your wrench or ratchet and sockets to loosen and remove the thermostat housing. Step 5 Note how the thermostat is oriented to the engine block, then remove it and discard. Step 6 Clean away the remnants of the old thermostat gasket from the thermostat housing and from the area where the housing was set. Step 7 Apply a layer of gasket sealant to the bottom of the thermostat housing then press the new thermostat gasket--which should have been included with your newly purchased thermostat--against the sealant firmly, sticking it in place.
References Automedia: Thermostat Replacement. Replacement thermostat Wrench or ratchet and sockets Thermostat gasket Gasket sealant Razor blade or scraper tool Clean bucket or similar container.
Not all thermostats are created equal. Before you go buying yourself a new thermostat, contact your local auto parts store and find out what is the appropriate thermostat for your truck or else you might do damage to your engine by installing the wrong kind of thermostat.
0コメント