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there are a few kinds of BH that help cars start from extreme cold weather,
5 \6 U. L. q' ]6 bbasically , 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.
8 k% `3 }2 Z, w/ ZEither way, the engine shall not be frozen with use of BH.
# S! {9 p. Z8 Z; ` n4 Q; qGoogle block heater ?$ |4 ~6 c( y- U% s7 |# ]
0 R2 I* ^ a, KIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.6 P4 h8 _0 ^7 P
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.) i5 h- x9 V( P
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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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