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there are a few kinds of BH that help cars start from extreme cold weather,2 U# n$ n. x* \4 T0 v) 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.
& Z- T1 s+ C+ s7 s) ]Either way, the engine shall not be frozen with use of BH.6 {" _, A: L) _5 U2 j
Google block heater4 S; K3 Z% O. z* H6 g+ K
# l ^( {" }) ^. W$ a' gIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
' v8 S& U- c5 OA good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.( f R; h* G7 l, X
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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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