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there are a few kinds of BH that help cars start from extreme cold weather,7 u& M o. S( o2 f1 {4 J
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.# ]$ d* \ h4 ~1 r5 f8 k
Either way, the engine shall not be frozen with use of BH.
5 d) s! Y5 d3 n& A$ JGoogle block heater5 o+ Y P% s# L- Y! i0 M) ]
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If you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.3 P7 n7 u1 `9 t: R
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.1 U+ x0 ]0 }: Y/ h; A" S
% \, _7 e1 [ Q% F8 J9 Hif 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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