I have a Honda Civix 1998. It has problem with the cooling system. I did
drain, flush and changed a new thermostat, clean exterior of radiator, install 50/50 mix of coolant, bleed air from system, changed the water pump, check the cooling fan. However, the water meter is up and down when I drive the Civix and the water loose a little bit (I have to refill coolant every day). What should I do?
Turn on your heater full on, see if it fluctuates the same, if it checks fine,then check the coolant level, if it is low fill resevoir to max level and drive around some more. If the temp stays the same, turn off the heater to see what happens. If it stays the same problem solved, if not your thermosstat is sticking for some reason. Did you ever use some type of radiator sealant? If you did you may have to drain again and recheck your thermostat to see if clogged with sealant.
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if the thermostat is in the head at the top radiator hose , remove it an fill the cooling system until the water is at that point --refit the thermostat and continue filling
make sure that the heater is turned on so that any air is moved out of the system
Hello! The heater core is partially blocked...I would suggest flushing the cooling system with the temperature control on high...NOTE...The type of anti-freeze used in your vehicle is DexCool...If another type is used it may damage the cooling system...To flush...Drain radiator...Fill with plain water...Run engine until thermostat opens...Turn engine off...Let cool then drain...Do this at least three times or until water drains clear...Install new thermostat...Refill with 50/50 DexCool...Leave the radiator cap off as engine warms...Allow all air bubbles to escape...Then install cap...
The down side of DexCool is electrolysis...Electrical current flowing in the cooling system which can cause the anti-freeze to "clump" blocking its flow...Periodic flushing eliminates the problem...
Hello! It is extremely important that you only use Dex-Cool in your Cadillac's cooling system...It is Orange in color...If you have used another coolant or the block has not been flushed in some time, flushing is needed...
Drain the cooling system...Do not remove the thermostat...Fill radiator with drinkable water...Turn heat on full...Run engine until thermostat opens...Shut down, let cool then drain...Do this several times until water comes out clean...Replace thermostat...Replace O-rings on thermostat pipe...Coat thermostat bolts with Permatex...Re-fill with Dex-Cool...
If it is your cat.,Look at it when the motor is hot.
The cat. will be red hot(literally)
depending on the mileage and type of water in the cooling system
The radiator could be partially,have it checked at a radiator shop
If it is cloged it will cost about 85.00 to have it rodded out.
Before that,do a bubble test to check for a pinhole in your head gasket
(low pressure in at the plug,look for bubbles in the top of radiator.
Top speed is hard on a car, at that age of vehicle worn water pump and old old with buildup a bad thermostat and radiator with scale buildup on inside and debris on the outside creates more heat than released. try replacing the thermostat and water pump and doing an flush of the cooling system with an oil change and see if that helps. Also a new radiator cap will hold proper pressure on the system so dont forget that.
Your car's radiator and cooling system needs to be clean to be cool. As
time goes on, your car's radiator builds solid deposits that can clog
the cooling system. A quick, inexpensive radiator flush which can be purchased at any reputable store (Autozone, Nappa, etc.) can keep the
system in shape. It's important to change your antifreeze seasonally. Before
you start your radiator flush, make sure you have everything you need.
There's nothing worse than draining your radiator only to realize that
you need to drive to the auto store for something! Make sure to clear up clogs or you may soon clog up your thermostat, water pump causing your car to overheat and/or heater core leaving you cold in the winter. What you'll need to perform a radiator flush:
Phillips head screwdriver or wrench (whichever your radiator drain requires)
Radiator Flush solution
Used coolant receptacle
*Be sure to let your engine cool completely before you loosen or remove the radiator cap. Hot coolant can be painful! I hope this helps and good luck. Please vote and leave a message.
Hope this helps you.
Here are the basics. There are many problems you may run up against (frozen bolts, stubborn or cracked hoses, rusted clamps, etc)that may need to be fixed or replaced before proceeding:
SHut off engine, allow to cool completely.
Disconnect the cooling fan, remove negative battery terminal connection.
Drain radiator by opening draincock and/or removing lower radiator hose, collecting coolant in a drain pan. Do not let it go onto the ground - bad for environment!
Open top radiator hose to allow remainder of coolant to flow out. A few quarts of coolant will remain in the engine block. You will want to totally flush and refill AFTER replacing the radiator to get all the crud out of the system.
Unbolt radiator and disconnect any other items still attached (transmission cooler, temp sensor wires, etc.).
Remove radiator and replace with new, reattaching all items removed from old radiator. Inspect other items and possibly replace suspects. Reattach hoses and make sure the clamps are tightened without pinching hoses excessively.
Do a flush job with water/radiator flush, making sure the water runs clear out the draincock. Instructions for flushing the cooling system are usually printed on the radiator flush bottle. Be sure the heater is on and the engine warms up completely to open the thermostat. SHut off engine and drain as much water as will leave.
Fill with 50% coolant mix (Dexcool or equivalent). Estimate water remaining in the engine and add 100% coolant to balance. COmplete fill with 50% mix. Remove air by running engine until warmed with the radiator cap off, adding coolant mix along the way.
Remove and raise upper hose at thermostat end and remove lower rad hose. Fill rad with a hose and watch for flow from bottom rad hose and/ or bottom rad hose connecton.......water should fall though rad easily. Honda rads are cheap.....any restriction....replace rad.
Remove thermostat....fill thermostat housing with hose and watch for water flow at bottom rad hose. Flush good.
Remove heater hoses.......flush back and forth until a good flow is present "With heater control set to hot" if no or poor flow....replace heater core.
Stop leak can plug everything.
Also.......not likely causing over heating....but ....at your mileage,if you do not know if the timing belt has been changed.....CHANGE IT NOW! Water pump is optional at this mileage.