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Q: Will a bad radiator cap make you car overheat?
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Can a bad radiator cap make an engine overheat?

It can be a significant contributing cause, especially if it's bad enough to keep the system from pressurizing.


Why does 1999 intrigue overheat?

Bad thermostat, cap and radiator is a common cause.


Bad radiator cap?

A bad radiator cap needs to be replaced as soon as possible. Fluid can leak out causing the car to overheat. Constant overheating can lead to expensive repairs. The average radiator cap costs less than $10.00, so it's worth the investment.


Why does your jag 1978 xj6 overheat excessively over very short distances?

Quick overheating is very often a bad head gasket. With it cold, take the radiator cap off, make sure it is full and with the cap off start the car. If it is a head gasket, water should shoot out of the radiator a couple of feet high. Simpler reasons, clogged radiator, stuck thermostat, bad water pump, bad radiator cap.


What would cause a 94 cadillac sts to overheat and coolant to be low after a short distance?

Blown head gasket or bad radiator cap


Why does my 94 trans am 5.7 overheat and boil over the cap at idle but not when running at normal?

cooling problem, bad radiator or water pump and if it has an electric fan make sure it's kicking on.


What is the Cause of radiator cap breaking?

The spring on the bottom of a radiator cap will cause it to fail. If the spring does not work properly it can lead to pressure escaping from the radiator which can overheat the vehicle.


What might cause a 1993 Mazda mpv to overheat?

Low coolant Bad radiator cap Dirty or plugged radiator Thermostat cooling fan not working Water pump Collapsing hoses


What causes a 1995 Honda Accord LX to overheat?

Bad Head gasket? Low coolant? Clogged radiator? Bad thermostat? System airbound? Defective radiator cap? Collapsing radiator hoses? Cooling fan not working? Water pump not circulating coolant?


What causes a 1997 Dodge Caravan to overheat when idling for more than 10 minutes?

BAd radiator cap, low coolant or (leaking), Bad thermostat, cooling fans not turning on.


Can radiator cap cause overheat?

Yes, if it is not holding pressure or is allowing a coolant leak.


What causes Toyota MR2 to overheat only when stopped in stop and go traffic?

One or all of these not working properly; bad radiator cap, low coolant, bad thermostat, clog radiator, clog heater core, fan not coming on due to bad relay.