FAQ (oil leaking, Loud noise,Stuck ,Shaking)

 oil leaking

 1)      oil leaking from oil seal ( Reason: Use with cheap quality oil seal)

 2)      (damage in strut , oil seal leaking oil due to friction)

 3)      Welding spot leaking oil ( Reason :problem of manufacture craftsmanship , production equipment)

 Loud noise

 1)      Outside factor

         a. spring seat and spring not match . The space between upper and lower end of spring is too big.

 b.  the top bearing bush damages.    c. loose of upper/lower arm ,ball joint, drag link, and stabilizer link.

 d. Deform of damage car

 2)      problem of shock absorber itself

 a.      Cheap quality grease ( lubricant oil ), emulsify during the high speed running .

 b.      the space between  strut and oil seal is small

 c.      the deform of strut and friction with powder metallurgy.

Re:  in shock absorber , the bypass valve and the bypass oil appers noise, and clear when Ear close to it ,this situation is ordinary and normal .

shaking

 1.  Outside

 a.      The installation of Tyres location parameter is not good.

 b.      the tyre pressure standard or not, left and right is same or not .

 c.  loose of upper/lower arm ,ball joint, drag link, and stabilizer link.

 2.      shock absorber itself

 a.      the inner tube of shock absorber not smooth . b.inner tube not clear

 b.      the space of  oil seal and strut is too small

 stuck

 1. Outside Problem

 a.      not correct assemble and verticality.

 b.      The problem of shock absorber itself

 c.      the blocking of valve ,inner assemble position not clear enough.

 d.       concentricity(powder metallurgy part,  piston, strut)

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OEM and ODM, any your customized products, we can help you to design and put into production

  Guangzhou Huiying Auto Parts Co. Ltd was established in 2004. We started as a factory of hardware products in 1999 and became Warmart’s OEM factory in 2000, since when we have been supplying Warlmart for 15 years.
 
Now, we extend our business to auto parts including bus body parts, car body parts, chassis parts and engine parts. Benefiting from the successful business mode introduced from Walmart, we can help buyers from worldwide save cost in purchasing good quality spare parts at reasonable prices in China.
 
Your OEM/ODM orders are accepted. Our production capacity is backed by more than 100 partner factories, experienced R&D staff, skilled sample design technicians, large molding workshop and metal plastic processing workshop. In 2004, we became the long-term supplier of Vietnam Auto Group and in 2006, a supplier of Daewoo Autos Korea, USA Gymnasium, TATA Autos India and other companies in 30 countries and regions.
 
Inquire today to find more.