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there are a few kinds of BH that help cars start from extreme cold weather,) L% r5 b4 Z) ]) u% l& n
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.
4 H$ [/ @- a0 M# IEither way, the engine shall not be frozen with use of BH.1 F* S7 E$ N7 a- U# L% q- L
Google block heater$ [' C) q& {1 Y8 i
+ [; J0 N, _! W7 \2 j$ C- a8 a3 VIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
: ^/ z# a* N# m) |" Q; E0 D# gA good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.7 B; v8 b/ s" _ P3 E; M4 {4 r
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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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