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Why do you need to replace thermostat.? Is it not getting hot enough via the heater,or is the engine water boiling? Its usually at the end of the bottom hose nowadays,youll see a round housing,two or three bolts.Drain the water first,or undo the bolts,engine cold,and catch the water.Replace with an original thermostat,and double check the sealing ring is in place on the new one.Refill radiator.Run engine,check water level later,with heater on hot
The thermostat is an easy replacement. The part from the part store should be very inexpensive and is very easy to install. IMPORTANT: allow the cars cooling system to completely cool down before starting to work on it. Here are the steps to replace the thermostat:
1. Allow car to cool.
2. Place drain pan under radiator and allow for coolant to drain below the thermostat. Do not completely drain the system unless replacing the fluid.
3. Remove the hose clamp and hose from thermostat housing.
4. Remove the two bolts holding the housing to engine.
5. Remove the thermostat gasket and clean the gasket completely off the engine and thermostat housing.
6. Remove the thermostat and replace with new.
7. Place new gasket on with reassembly.
The short answer is yes.. it will never get to proper operating temp.. but for a forty minute drive.. it won't hurt a thing.
I assume you have completely removed the thermostat.
A faulty thermostat.. if stuck open.. same thing.. you can drive it.. Howvever if stuck closed.. you could drive it until it started to get hot.. then pull over.. wait until it cooled off.. go again.. on one that is stuck closed it all depends on outside temp.. and how fast you are driving.. (how much air is flowling across the radiator).
Keep an eye on the temp gauge or indicator lamp.. and get that thing replaced..!
You either have a thermostat or water pump problem. car is getting hot. Check to make sure you have no water leaks on the hoses or radiator. to check the thermostat,run the engine for awhile to get it hot and touch the upper radiator hose to see if it is hot . If so then the thermostat is working and the problem would be the water pump. hope this will help you.
Since your blower is working and it is a heat issue,thats where we'll
start,First thing is have you checked the coolant level in the radiator when
engine is cold,make sure it is filled to top,next verify you have coolant in
reserve ,Start your van and get it up to normal operation temperature,If your
heat gauge on the dash works correctly it should be 190 degrees,Now lift the
hood and locate the two heater hoses going into the heater assembly at the fire
wall,Both hoses should be hot to hold on to,if both are hot and no heat inside
your problem will be the blend air door in heater assembly. if neither hose
is that hot you need to replace the thermostat in the engine to get it up to 195
degrees. if one hose is hot and one is luke warm then the heater core is
blocked and to blame. hope this helps you.
Might be blown head gasket. Is there oil in the coolant or coolant in the oil? Either of these would tell you that.
Also the exhust can get into the coolant and make the coolant low all the time.
I had two Chrysler products that the exhaust forced coolant out and had a bad head gasket.