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there are a few kinds of BH that help cars start from extreme cold weather,
- f% [8 W9 ?7 ~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.* G( d! u j0 p
Either way, the engine shall not be frozen with use of BH.+ O, C | W( d$ V4 k/ z
Google block heater9 S3 c1 K+ x1 K4 ^6 D& P: T
]4 l3 A4 m% f$ k/ u; s# `- UIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.& n/ m0 ~7 V1 i- K. s3 a6 r4 O3 |
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.: A" s5 g1 q+ `7 L' u8 F! Y" I
+ F* x- n, k& P0 x0 g. Dif 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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