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there are a few kinds of BH that help cars start from extreme cold weather,
0 p& B, O6 M% d, P) U- @& ubasically , 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.
- x* P5 b. [ AEither way, the engine shall not be frozen with use of BH.
$ i6 X: D- e# R! d8 DGoogle block heater
0 Q4 e( N) O! c* P4 K" G& {& ~5 f2 |( P: v9 c5 | ?
If you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
6 l$ i$ S& {! VA good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.; x) A& \) M/ d" b
1 e4 L- N6 J' ~( Q2 ^ [9 |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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