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there are a few kinds of BH that help cars start from extreme cold weather,3 U3 Z d3 h& P& A* I5 m X
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.
! [. \0 s0 a; UEither way, the engine shall not be frozen with use of BH.# }) L0 n! U6 }' e3 d7 w- u, F" b6 `
Google block heater. w. C$ x: ^! s1 z* k4 r; ]
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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.
0 a$ S: I( ~ t( G4 _5 B' pA good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.
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8 @) M5 H- F1 I+ ?# A. @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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