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there are a few kinds of BH that help cars start from extreme cold weather,- a+ `0 S& m6 U1 E. u+ U
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.+ \1 R! W C$ }5 {; K8 Q
Either way, the engine shall not be frozen with use of BH.
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5 j1 H8 Z) R) K. t) T8 ~If you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.8 \+ U9 S7 L9 C7 O+ c, ]! n
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.2 E# a: m3 n/ i& O0 a+ @
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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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