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there are a few kinds of BH that help cars start from extreme cold weather,
* q0 }) i. W* Abasically , 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.' l9 x. y4 b% U: r5 m* v
Either way, the engine shall not be frozen with use of BH.
2 x- e! u9 t& C3 e: i2 J4 SGoogle block heater2 s+ W0 d4 P' {4 C6 s* v& N" C
* U$ R2 V- [$ w$ LIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening./ q% j" i6 n) O, B. X% v5 j
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.
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8 Z+ G- u x3 q/ e8 g* tif 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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