Question about 1991 Buick Regal
My low coolant light keeps coming on, however the plastic reservoir is full. Do I fill the radiator when the car is running or when the car is off?
I have 2001 buick Regal the low coolant lite comes on when the car is
cold when it reaches the proper heat gauge temp it goes off and stays
off and you can drive it all day the level in the reservoye are fine
and the rad is full other than that the car runs like new they replaced
the sensor with a new one which only lasted two weeks now same thing
again . oh yes the old sensor the lite stayed on all the time but the
new one goes off after the temp. reaches the proper heat level and
Posted on Oct 14, 2008
NEVER open the radiator when the car (or any other engine) is running!! The radiator is part of the pressurized cooling system (under that cap is coolant at 15psi)
Correct way to check the coolant in the radiator, is wait until the engine is COLD, then remove the radiator cap and re-fill.
Posted on Aug 30, 2008
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Posted on Jan 02, 2017
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