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there are a few kinds of BH that help cars start from extreme cold weather,/ g1 k3 o" k s
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.
$ l: G8 ~# f$ S; E& c; pEither way, the engine shall not be frozen with use of BH.
% V: |8 i+ A* T! E3 M2 BGoogle block heater9 y. t* t: z. c' M a
& G/ t3 L; c: U6 r5 uIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
" v1 e; E N+ E' Q" G6 N+ JA good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.$ @& W1 y H3 o2 N' J$ _
2 D& k' ~* |9 `# |, Q; H7 ]1 S+ @, F' }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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