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there are a few kinds of BH that help cars start from extreme cold weather,; j' E2 j$ `2 B& E: p+ Q7 |! c
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.
3 ~/ P. a# N$ ~) z; ^$ w0 @Either way, the engine shall not be frozen with use of BH. u( U1 u, `2 r+ o E
Google block heater# w/ L9 [5 y& D; [
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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.4 S: ?2 F6 V# C, l7 c
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.
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( K4 I! G9 s" e! s! sif 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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