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there are a few kinds of BH that help cars start from extreme cold weather,+ }5 g3 M8 ]0 B& P! u
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.: h+ C8 G& v4 N
Either way, the engine shall not be frozen with use of BH.
- C- H" M' q% W9 y7 Q9 GGoogle block heater; ?. n( q% q. @6 ^8 Q; |$ }' g( W; Y
4 d, G Z3 i! a6 Z( ~. e2 SIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening./ _* Y5 W; v& i( m* q& E3 U: o
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.& M9 ~# M+ I: ^- f/ l- h
8 T6 m6 h2 g8 nif 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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