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there are a few kinds of BH that help cars start from extreme cold weather,, l- e3 K: I7 Q
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 y# a/ @# Z- Z7 { i& _" qEither way, the engine shall not be frozen with use of BH.8 A Q0 e, }, l, X; T- v+ x; m
Google block heater4 O4 @) _# L: l: I' X7 w
+ ^0 V: J5 E, n1 lIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.! L+ |4 y8 B+ U) b) h5 ]' `" v
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.# c3 c O u- ^; i# B
- d9 B5 _) j# U* U, Pif 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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