In car travel process, some breakdown can cause car engine or chassis part gives out abnormal knocking. General noise often contains different feature because of differring, should listen carefully, differentiate correctly.
Listen to a car to whether have a problem, should carry engine in idle the condition of fast movement, if have abnormal other sound or brace up result because the degree of tightness of sequential leather belt of the car is spent,often be already unture, because spiracle gap is too big,also may be because the car is too long,did not maintain into the factory even and appeared to explode badly shake or the phenomenon that accumulate carbon.
Drive additionally start off, want to open car window first, listen when turning or advancement does not have abnormal knocking from time to tome. The common different sound when turning often comes from contact already the front-wheel drive transmission shaft of damaged, hear the bang in desultory Pi noise, the likelihood is a certain place defeated vent-pipe, or the desquamation of panel bumper.
1, should appear similar knock again, but when the clap sound with lesser noise, whether is we can be analysed to use inferior gas, if be, the likelihood returns noise of meeting occurrence fulmination;
2, when we hear tick, the gimbal that may be drive axis is bad, or fan lamina bends become loose, the sound of cobble perhaps exists in tire;
3, if be the clash of similar metal, the likelihood is engine is secured frame wear away for long, once engine speed changes to give out this sound, or the attaint of suspension plain bearing liner of engine, or too low place causes transmission fluid;
4, should hear flat like the balloon fizz, because cooling perhaps system puts air conditioning in the problem,be mostly;
5, the buzz that if hear,gives out like the bee, probable it is transmission takes fan to become loose or wear away, fetal pressing inadequacy also can appear this kind of sound.
6, if be harsh scream, it is apply the brake has a problem normally;
7, hear give out on the car " Wang Wu barks " plangent sound, this circumstance very can be the ball bearing in compressor or water pump has a problem;
8, if have,hear kind be those who knock is heavy strike tone, probable it is reason of interior of car ageing engine, perhaps cause for engine valve attaint.
Answer to check maintenance in time when the car discovers abnormal knocking, safe travel just is the most important.
