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there are a few kinds of BH that help cars start from extreme cold weather,8 q! u; I \7 ?7 z; `* @6 G
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.
/ w3 X/ S5 | l V0 ?$ n6 hEither way, the engine shall not be frozen with use of BH.
- ~* B9 n7 e$ e: a" o: a) QGoogle block heater+ D3 Q+ {8 ]1 p) L
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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.7 w; l2 E/ b2 E! x
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.6 B" w: X7 k \' y/ k, D
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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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