Brake problem in vti prosmetic......plz help

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Brake problem in vti prosmetic......plz help

Dear Brothers ..... I am facing a problem in my VTI prosmetic 2005 on CNG. The brakes fail or are hard at low rpm. Please help and advise what the problem might be and what will be done. By braking problem i dont feel comfortable going Murree and nathiagali ....... fear of the brakes can not harden into the slope and the car can not stop.

Gari.pk User 7716 asked on 26 Aug 2010 15:44:37 pm

1 Answer

241 views |

Zain - on 26 Aug 2010 15:45:39 pm

Check this link to trouble shoot: How To Fix common brake problems

This looks serious problem for me, get solved as soon as possible.

Link: Describes different brake problem symptoms:

http://www.aa1car.com/library/bfixes.htm

HARD lack of power brake assist can be attributed to low engine vacuum, a leaky vacuum hose or a defective booster. Sometimes a faulty valve will allow vacuum to bleed from the booster so a hard pedal when the brakes are applied. This condition can be diagnosed by worden starting the engine (to the vacuum to be built), sluiten by it, wait four or five minutes, then de probeert brakes to see if there staan macht. No way to help a new check valve is needed.

A quick way to check the vacuum booster to the brake pedal to pump several times with the engine off to bleed from a vacuum that may still be inside the unit. Then hold your foot on the pedal and start the engine. If the booster is working, the amount of effort needed to keep the pedal should drop and the pedal itself is somewhat pressing. If nothing happens and the vacuum connections to the booster unit are okay, a new booster is needed (the hose must be replaced, too).

For vehicles equipped with "Hydro-Boost" power brakes, a hard pedal can be caused by a loose power steering pump belt, a low fluid level, leaks in the power hoses, or leaking or defective valves in the hydraulic boost device itself (the last call for renovation or replacement of the booster).