China National Heavy Duty Truck Group Co., Ltd.
Add:No. 592 Gangxing No. 1 ,Hua'ao Road, Licheng District, Jinan City, Shandong Province,China
Tel:
+86-531-88598877
88596677
Fax:
+86-531-88596677
Mobile:
+86-15628763611
E-mail:
howo@sinotruk.cool
Contact:
Nina Liu
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The judgmentof Piston pin's sound
Sometimes, Working howo Engine will be singing. If the piston pin sound severe damage piston pin bushing, connecting rod bearing shell and crankshaft connecting rod journal wear, wear and tear to the worst, will snap piston pin or top of the connecting rod, and the cylinder block, don't be taken for granted.Piston pin sound fault phenomenon is:
(1) The part of the sound in the upper portion of the cylinder, sounding like two ball collided and issued a "special" sound.
(2) After the engine temperature, noise generally do not change substantially, more clearly the individual sometimes, this is a live and plug knocking sound a major difference.