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there are a few kinds of BH that help cars start from extreme cold weather,4 P' v3 B& D; t- f) F
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.
# w" S5 P8 Y0 J1 z* Z) Y# U AEither way, the engine shall not be frozen with use of BH.
. c* P; E+ Y1 J0 E qGoogle block heater; E# E0 }$ X* P
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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.
& j) o4 W2 T/ X; `3 E0 vA good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.
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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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