Today car of tiger of a road advocate in saying travel, can smell a burnt flavour, after opening air conditioning especially, burnt flavour is heavier. After opening engine cabin, can smell really a burnt flavour, the maintenance master worker that has experience can think of the odour that is antifreeze, engine when catenary lid surface is damp is not smeary, it is antifreeze, this papers flavour origin namely, false alarm! ! !
Tear open next engine fender, there is many antifreeze above, it is thus clear that cooling system has the place that divulge, specific that place needs further examination.
Detect cooling system has without divulge need to use professional tool, next graphs are tool of cooling fluid leak hunting, the main effect of this tool gives cooling system to hit namely pressure, will whether have the place of pressure release certainly through observing pressure changes. Pressure release is dot having leakage namely, specific leakage dot wants where one step by step examination.
This tool is practical very big, maintain daily in us use in the job more frequent. Should tear open deputy cistern above all below, will special tool changes an installation to deputy cistern, there are a lot of contacts in the tool, can match different model.
Take over take offense pump repeatedly next.
Dozen press to 1.5BAR, cannot exceed this value. Everybody can observe jug is built, there can be value of a pressure above, for instance the pressure value of this car is 1.45bar, this pressure is pressure release value, should cool systematic pressure is exorbitant be, jug builds pressure release a powerful person to open pressure release, avoid pressure exorbitant, cooling fluid conduit is dissilient.
Jug lid is very important, some cars often high temperature, change what bad to use, can try to change jug lid tries. The boiling point that the reason is antifreeze and pressure become direct ratio.
Cite a case: The tap water that if you are cooling,the system adds, deputy jug cap falls without the circumstance of installation (or pressure release a powerful person is in often open position) , achieve 100 degrees when engine temperature, water will be boiling, namely the engine boil that we often say, water boiled, won't absorbing quantity of heat, if jug lid already was installed and the job is regular, so the boiling point of water can achieve 125 degrees or so.
The graph is to keep the pressure cost that controls 5 minutes on, dropped 0.2BAR, the specification has the place of pressure release, after citing litre of traffic, can see from car bottom jug drips outwards water. Tear open next jug, jug chap, the position that arrowhead indicates above, it is leak dot.
Inchoate car does not have deputy jug, the effect of deputy jug is very big, can feed-tank complement antifreeze, also can receive the antifreeze that cistern eduction comes to. Because go out for a long time to fall in environment of high-pressured high temperature, phenomenon of plastic meeting occurrence ageing, when longer car maintains every time, so car age should check jug and conduit to have without the place that divulges ageing.
Change new deputy watering can, add antifreeze, do not install jug cap, idle fast move car till radiator fan is rotational, temperature of conduit of test cistern fluctuation is opened to demonstrative thermostat, install good pitcher lid next.
Say a problem that the attention needs after changing antifreeze more, we had been encountered a few times, if car advocate do not know a car to bring about engine high temperature very easily to pull a crock. Change after antifreeze, a few move that say above finish, must the road tries 10 kilometers left and right sides, prevent the air inside cooling system to was not discharged clean. Idle fast when water is warm not tall, water is warm when representing travel normal, so must the road tries an a few kilometers.
