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there are a few kinds of BH that help cars start from extreme cold weather,) ~1 J5 E6 b- O( X6 s
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 s. O* C. T6 w |. I- [) B' S
Either way, the engine shall not be frozen with use of BH.
9 w! E5 r. ~% ]- n7 Z0 WGoogle block heater$ A1 S, h' O# J3 r' t
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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." w V4 z* _$ x3 x7 O6 S+ J
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.- L; G! t5 d* r; }4 y+ n- a* b
2 v! ?" [# s$ T0 R; V+ Vif 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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发表于 2008-1-31 09:46
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