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there are a few kinds of BH that help cars start from extreme cold weather,! r; d% M) r/ E* J6 N% |) \$ ^ r
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.% G* d- P% w9 d# j
Either way, the engine shall not be frozen with use of BH.
( N! \/ N, ?) T! d& l9 eGoogle block heater
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! V& _9 Q3 H1 fIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.' g: m3 k9 o. C& S- Z4 v, |& N3 x
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.- x) s2 N: q) T/ V# B
. G% J4 }4 h2 L2 g" K0 pif 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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