One, abnormal knocking of automobile body inside and outside
Leave long later, automobile body always can give out abnormal knocking, be aware of not easily again, may these a few places give out that. Meet in different a section of a highway like car side door generation is bumped out of order or touch brush; Because the sealing of car vehicle window is insufficient good, can produce bigger wind noise; Because car seat secures an existence clearance, also can bring about can have in rough road surface in travel " creak " noise. If glove box, flank acts the role of the lock of panel, safety belt, abnormal knocking such as scuttle,still have a few, these problem great majority can be in abnormal knocking nidus, installation foot is filled up or sponge is able to remove, if father of the key check processing with respect to need to inn.
2, brake system abnormal knocking
Brake system abnormal knocking includes commonly, because of brake piece exceed operating limit and continue to use, can appear when stepping on brake " Zhi Zhi " blow Tie Sheng; If the surface of undercarriage of Buddhist templeput on the brakes appears deeper nick, also can give out noise. Brake piece life is 5-8 commonly 10 thousand KM, but this is not absolutely, see a car however advocate of the individual drive habit. (have inscribe questioningly because of brake sheet individually, also can cause noise)
3, tire abnormal knocking
Running when high speed, tire place is transmitted " buzz " noise, and rate is rapidder noise is bigger, the hub bushing that shows you appeared problem, need changes in time. Tire wears away serious when, change not in time fetal a confusion of voices also is met apparently
4, pensile abnormal knocking
If be when bumpy road travel, give out " Dong Dong " and " Ka Ca " sound, the damping system that may be you appears problem, you need to be checked in time to maintenance dot, the travel because of what it can endanger is safe; When making way, or so dozens annulus give out noise, and discovery was not hit entirely full, abnormal knocking appears when just making an in part, may be directional engine problem; Beat dead give out noise, the likelihood is occurrence problem of head of the ball inside directional machine.
5, engine room noise
The abnormal knocking of engine room has a lot of and cry complex cannot judge directly, need everybody to do careful interrogate and examine to professional maintenance spot. If be to be in after the car, engine room transmits attrition noise of the metal, may be a dynamo or the problem of compressor; If the noise of leather belt, leather belt skids place is given out.
Proposal everybody no matter issue size, should be overhauled in time.
