A radiator cap is used to keep water or coolant inside of the radiator but it is also in place to relieve pressure if the temperature of the coolant is too high.
Ford coolant cap problem.
First find the coolant reservoir.
When the coolant rises to the cold fill line replace the cap and tighten it until you feel it click.
Some cars leak a little bit of coolant over time for a variety of reasons.
I have seen a few threads about this on this forum but my case is slightly different.
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Hi all i usually remove and reinstall the coolant reservoir cap every month to prevent it from becoming stuck.
Yesterday when trying to open the cap it appears to have separated from its lower half.
The radiator cap is actually much more important than that.
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If an individual expansion tank is installed which is mostly the case today the expansion tank cap is equally important.
Check the coolant every day to see if the level drops.
If the coolant is not flowing through your engine then your ford engine can and will overheat.
The radiator cap is a very important part of the engine s cooling system yet it is often overlooked when troubleshooting the system.
Before you have your ford vehicle taken in for service you need to diagnose the problem that is occurring.
Engine coolant a combination of a special fluid and water circulates through engine cooling chambers and works to cool your engine.
This could be out the overflow reservoir the reservoir hose radiator cap coolant hoses or into the engine from a head gasket leak.
Afraid i may cause problems using vice grips.
If the coolant level is low add the correct coolant to the reservoir not the radiator itself.
You can use diluted coolant by itself or a 50 50 mixture of concentrated coolant and distilled water.
I can t even budge it by hand.
If the levels are low add coolant.
There s a min mark on the outside of the reservoir.
Top it off to the full line and keep an eye on it for now.
The radiator cap seems like a very simple device that has no other use than being a stopper for a hole.
Your ford focus coolant reservoir is located on the passenger s side next to the window washer fluid reservoir.
There s a hose connecting the top of the radiator cap to the coolant reservoir.