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Comments
Vechicle have 98000 km.
After change cool liquid, having problem pour liquid out of liquid bottle cap. Signal Lamp of low level cooling liquid is constantly ON.
Level of cool liquid is about bottle MAX mark.
Cap is properly closed.
The Motor not overheating.
Any suggestion how to fix the problem
Thanks.
Also check for air blockages. On some cars you have to pour the coolant in in a certain way to avoid air in the system. check owner's manual or workshop manual on how to do this.
Apropos, when thermostat must open
(upon what themperature)?
New thermostat is not opens under cooling liquid themperature 95deg.Celsius.
1. I want to check presence of air blockages in cooling system Chevrolet Cavalier (1997), after refill.
How do this?
2. If air blockages are presents - how extract them without drain cooling liquid ?
Thanks.
thanx
Recently I looked at a used 5 year Nisan for possible purchase. As the engine was idling in neutral after about 10 mins driving from a cold start, I stepped outside to examine the exterior and heard something under the hood suddenly "power on", similar to an air-conditioner unit or the refrigerator when the motor turns on.
Was this in fact the radiator, and is this normal, to "power on and off"?
I ask because I've never noticed anything like this in any other car in my life (not that I've ever listened for it).
Thanks for your help.
I want to remind: Chevrolet Cavalier 2.2L, 1997 has poured coolant via recovery tank cap.
I replace the thermostat (at lower radiator hose)and properly extract air blockages - this is not solve the problem. After start engine get normal heating, opens water pumpt hermostat at coolant outlet (temp. - 90 - 95 Celsius), upper radiator hose get hot, but radator stay cold !? Lower radiator hose before thermostat too stay cold. Motor side thermostat housing is hot. Coolant temperature reach to 100 Celsius, cooling fan starting.
Coolant begin flow from recovery tank cover...
Coolant boil in bypass tube.
All time "LOW COOLANT LEVEL" lamp is ON.
Help me please.
Thank you.
I have problem witch Chevrolet Cavalier 2.2L, 1997, 98000km.
Problem: coolant poured out via recovery tank cap.
All time "LOW COOLANT LEVEL" lamp is ON.
Thermostat replaced (at lower radiator hose), cooling system refilled and properly extracted air blockages - this is not solve the problem. After start engine get normal heating, opens water pumpt thermostat at coolant outlet (temp. - 90 - 95 Celsius), upper radiator hose get hot, but radator stay cold !? Lower radiator hose before thermostat too stay cold. Motor side thermostat housing is hot. Coolant temperature reach to 100 Celsius, cooling fan starting. Motor oil is clean.
Coolant begin flow from recovery tank cover...
Coolant boil in bypass tube.
Help me please.
Thank you.
At which temperature should switch on the cooling fan?
Is im possible to change old head gasket by itself ?
(I have Cavalier Repair Manual from CHILTON and tools)
My thermostat is "180F". It sometimes not opens
P.S. Coolant is boil only if thermostat is not open at 97-100 Celsius.
Thank you
Mechanic changed the thermostat, put on a new cap and etc. Ran the car on a computer for 2 hours and found nothing.
Did a compression test...nothing wrong.
The only thing actually found were the spark plugs were loose.
Tightened them up and I will run the car to see if it makes a difference.
Will let you know in a few days.
TheGirl
VRRRROOMMMMMMMMMMMM all engines okay. Im offfffffffffffffffffff
Lol
have a good one
Thanks for all
Vadim
The computer is programmed to expect to see about 195degrees when the motor is warmed up. With the lower thermostat, it may never see this temperature. Which means it may continue to run in a 'cold' mode, giving worse gas milage, run rich, etc, etc, etc.
If you are having overheating problems, solve the overheating problem. The motor is designed to run at 195degrees, not something less.
Should coolant be routinely changed periodically or is it okay to test (for alkalinity/pH and freeze point) and leave it alone if the test shows it is still in good condition?
Presuming you have a clean system to start with, I'd flush out the radiator every two or three years maximum.
The cooling liquid is very clean so I don't think it is a problem of leaking head gasket. Could the air come in from the recirculation pump shaft? What should I check to find the cause of the problem?
Thanks for your help.
Franco
Any thoughts or help would be appreciated
Thanks John.
If your fan is working and the new thermostat doesn't help, you should pressurize the cooling system and pull the spark plugs and look for coolant on them. Pressure in your overflow tank isn't a good sign.
If the pressure test doesn't show anything, you might have your radiator flow-tested to see if it's gunked up or corroded in there.
Remove coolant recovery tank and flush it with water. A garden hose will do. Then shake the recovery tank. The sensor is a magnet in a float that closes a magnetic switch. The float tends to stick in its guides after some years. Shaking the tank will free it up.
If your oil is milky, foamy, or overfilled - these are indications of coolant entering the oil system. Possibly from a blown head gasket.
Which is a severe problem.
SLOW overheat --- usually air circulation problem (fan, fan shroud, electric cooling fan, low coolant)
FAST overheat ---- usually coolant circulation problem or blown head gasket, cracked head, etc.