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there are a few kinds of BH that help cars start from extreme cold weather,3 S0 r7 l2 t. |9 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.
& f! q G% x( _% ^Either way, the engine shall not be frozen with use of BH.
! h, Z) ?1 E5 NGoogle block heater" C& n* [+ D. {" I6 j+ P# ?$ E, ]
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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.
, Y6 @! [" L* g1 Q. L8 JA good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.
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; r2 G& r; a/ G0 b* z4 t" H- 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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