Hi guys, anyone got experience or happen to ur car when driving at highway around 90 to 100 km/h, suddenly no brake at all... this evening when i back to klang at kesas highway, suddenly my brake has no function , so i stop it slowly using handbrake ...after stop d car i off d engine n restart it again , my brake still don hav function, so i keep pressing my brake n now it can work again.... anyone know what happen or any sensor faulty but display show no faulty... now im really headache cos don know wats going on ?? Pls help...i called my car dealer n he say beginning of May jux replace new front brakepad for my car, izit they forgot sumthing to set or do after change brake pad but from day 1 (10/5/2012 ) until now everything is ok except today...
Totally No brake at all when at highway
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Vincent Hor
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What's the symptoms? Does the brakes feel hard or just goes down all the way? Your car could be leaking fluids somewhere like the brake hose rupture or it needs a good proper bleeding.
I have experience it before, and replace my brake servo and master pump, also my dsc unit is not good, having error whild doing the diagnostic (pressure sensor plausibility)... i try to pump few times on the brake to slow it down. After bleeding the brakes there are alot of air in in as well...i am using a E90 325i year 2006
Vincent Hor
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Not safe to drive the car now. You can pop up the hood & have a visual inspection of the brake fluid levels. It's probably very low. Most MV insurance has free towing services. Probably your brake hose ruptured during your brake disc service.
Vincent Hor
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Don't think it's got anything to do with the disc being skimmed. Worn down or thinner disc don't cause this problem. Common mistakes by most mechanics during servicing of brake pads and skimming disc is that they leave the whole brake caliper hanging there by the brake hose. Mind you these brake hoses are probably there since the car left the factory which could be 10 years already.
Ever tried holding those calipers with your hand? It weighs 3 - 4 kgs each. Skimming is usually done at independent machine shop. So the entire process to complete the task could take up to as much as 3 -4 hours. Can imagine the stress that it causes to those old hoses with the 3 - 4 kgs hanging there for so many hours.
The experienced mechanic will have a suitable iron rod to hang up those calipers while servicing is being carried out on brakes.
Ever tried holding those calipers with your hand? It weighs 3 - 4 kgs each. Skimming is usually done at independent machine shop. So the entire process to complete the task could take up to as much as 3 -4 hours. Can imagine the stress that it causes to those old hoses with the 3 - 4 kgs hanging there for so many hours.
The experienced mechanic will have a suitable iron rod to hang up those calipers while servicing is being carried out on brakes.
ngyk4949;747806 said:
Vincent Hor
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If I were you I would have the car towed to the trusted mechanic. Let him run through the issues & see what he has to say. What I have suggested are only the probably causes based on the symptoms and my experience.
Maybe you want to be around when the mechanic work on the car. That way you know that he can't BS you and at the same time you can learn a few tips.
Brake hoses aren't very expensive while bleeding is just labour and maybe 1 or 2 litres of brake fluids.
Brake disc/rotors has a thickness margin of safety indicator at the ventilated holes of the rotor. Replacement is a must when that level is reached. Otherwise the rotors should still be good unless it is badly scorched or badly wrapped.
Maybe you want to be around when the mechanic work on the car. That way you know that he can't BS you and at the same time you can learn a few tips.
Brake hoses aren't very expensive while bleeding is just labour and maybe 1 or 2 litres of brake fluids.
Brake disc/rotors has a thickness margin of safety indicator at the ventilated holes of the rotor. Replacement is a must when that level is reached. Otherwise the rotors should still be good unless it is badly scorched or badly wrapped.
Ngyk4949, I totally agree with the advice given by Vincent. This is a potentially very risky situation. Your life, your family members, and those of the public are at stake should the brake suddenly fail while on the road. Have the car towed to a competent workshop and the problem rectified at the earliest time possible.
Herbert
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Please check here..http://www.bmwclubmalaysia.com/foru...hops-We-Go-To&highlight=Recommended+workshops
Also please spend some of your free time and go through e60 forum section as there are lots and lots of valuable information on maintenance etc etc.
Also please spend some of your free time and go through e60 forum section as there are lots and lots of valuable information on maintenance etc etc.
Vincent Hor
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Braking system is not covered under Opal Auto Mart extended warranty right? If that's the case I don't see any point in sending to their panel.
I don't know of any reliable workshop in Klang, but if you are willing to travel a bit further, then you can consider Motoren in Sunway. Boss name is George 0123072219 cool guy who has been in BMW repairs for about 20 years.
I don't know of any reliable workshop in Klang, but if you are willing to travel a bit further, then you can consider Motoren in Sunway. Boss name is George 0123072219 cool guy who has been in BMW repairs for about 20 years.
