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there are a few kinds of BH that help cars start from extreme cold weather,' C8 U0 O/ v$ O. W) P$ S
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.; ]. h& M7 Z, g9 E+ c2 A8 P
Either way, the engine shall not be frozen with use of BH.
8 u/ Q T% X8 q: L) c* oGoogle block heater
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& `* c' B$ c W8 C1 i: j( kIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
& h( h" C+ `1 b% G$ rA good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.3 `" O, v. H: W. Z- k
: d- k$ G* Z3 Z% w: [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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