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Defective radiator caps or tubes

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13y ago

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Related Questions

What causes coolant reservoir overflow or backup?

The radiator cap could be the cause of coolant reservoir overflow or backup. Have the cap checked to see if it is bad.


What causes the coolant to run out in the reservoir tank?

It sounds like the tank has a leak.


What causes coolant to backup and spill over in the reservoir?

I had this problem ....Head Gasket or radiator cap


What causes Coolant indicator light to come on when you first start your car?

Check to coolant level in the coolant recovery tank and radiator when engine is cold


What would cause oil in the coolant reservoir in a 93 buick century?

There are a couple of things that can cause oil to get into your coolant reservoir. A blown head gasket or a broken piston ring are the most common causes.


What causes the presence of engine oil in the coolant tank or reservoir?

if there is oil in the coolant system it could be a crack in the intake, a ruined intake gasket, a cracked cylinder head


What causes a coolant leak on a 1997 Mercedes Benz c230?

Sometimes the reservoir tank is broken, where the water pump is located. Im sorry, I was confussed with the winshield tank. But, the coolant reservoir tank sometimes leak in small holes in the base or near the cap.


What causes coolant to backup and spill over in the reservoir until its all gone?

the reason why the coolant is spilling up over the reservoir is because the thermostat needs to be replaced because when the engine needs water the thermostat heats up from the engine and causes the springs to expant which opens a seal to allow the water throughout the engine i just realpaced the thermostat in my volkswagen


What causes the low coolant light to come on a 1997 mercury cougar xr7 even though the reservoir is filled correctly?

When the low coolant warning light comes on and the car has enough coolant, it usually means there is a problem with the coolant level sensor system. The sensor may need to be replaced.


What causes the engine to have a excessive white smoke when first start?

pressure test the coolant system you will find a blown intake or head gasket


What causes excessive coolant loss?

Normally a leak in the sytem, either internal or external. More details would be required to expand on the answers to be given


Why does Overflow Reservoir on 1999 Ford Taurus keep overflowing gauge doesn't read hot changed the hoses flushed Radiator replaced Thermostat and reservoir?

It sounds like you have a blown head gasket. Combustion gases can enter the cooling system through either a blown head gasket or cracked cylinder head. The gases (under pressure) force coolant out of the reservoir. This also causes a void in the upper part of the cooling system , leaving no coolant at the thermostat and the coolant temperature sending unit. The result is a erroneous temperature Reading and will even prevent the thermostat from opening.