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there are a few kinds of BH that help cars start from extreme cold weather,% D! Q* b! k6 F& Y1 P
basically , BH keep the car warm by heating up the oil pan-which keeps the engine oil from frozen, or by heating up the coolant/radiator, and keep the engine block warm.
& N" | ]- t% m9 B5 N7 y+ w5 IEither way, the engine shall not be frozen with use of BH.
% e: |% d) @0 qGoogle block heater
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If you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening., h& D0 I1 x' ?, E7 z8 ]9 U
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.! \- s2 }$ B0 ^. _
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if you have BH or SO, but ur car still could not be started up, and you have not checked/replaced your battary before the winter came, I bet the battary is dead. |
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