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there are a few kinds of BH that help cars start from extreme cold weather,/ ~& Q3 @% I' w
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.$ M# V1 ^4 W. I( u8 u5 z
Either way, the engine shall not be frozen with use of BH.
# b4 n/ r% k; j- }2 R0 _/ AGoogle block heater
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$ J; D: k7 y! qIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.) y7 _6 F/ m5 U0 x j0 F2 N
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.
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; u& v: p( z4 a% @+ K7 u2 K( a) ?) dif 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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