Most engines have timing chains. Some have timing belt with tee

Timing chain and teethed belt must be precise to open and close valves at the right position. 

什麽叫正時皮帶？驅動水泵的皮帶不需要嚴格控製同步。基本上能帶著轉就行。

所有跟帖： 

• 那和你懷疑的serpentine belt是什麽邏輯關係呢? -Oneshotkill- ♂ (0 bytes) () 01/15/2019 postreply 12:45:21

• The belt driving the water pump is serpentine belt. Not timing b -bashfulx- ♂ (0 bytes) () 01/15/2019 postreply 14:22:54

• 他這06 車應該是timing belt車，water pump應該是由timing belt驅動。 -xyun2013- ♂ (105 bytes) () 01/15/2019 postreply 15:22:25

• 是，蛇皮帶是發電機壓縮機等 -chinomango- ♂ (0 bytes) () 03/15/2019 postreply 22:28:30