Wednesday, February 29, 2012
I have recently tried to bleed the braking system on my Rover Mini and although the brake pedal is initially very hard immediately after bleeding, it becomes soft and spongy following a short drive.
Where is the problem am I doing something wrong?How do you bleed the braking system on a Rover Mini?sounds like you still have air in the system.|||Continue to beel until all air is out of lines.This may take several time to do.make sure you have a person in the vehicle to help you and pump the pedal to it gets hard then open the bleeder while your helpper pushes pedal to the floor,hold pedal to floor and tighten bleeder,repeat until good pedal is gained,make sure you have plenty of brake fluid in the resv,hope this helpsHow do you bleed the braking system on a Rover Mini?I have been a mechanic my whole life until I retired recently.
I encourage everybody to do mechanical works .It is fantastic and fun!!!
but,safety must prevail.
Do not work on brakes if You don't have a real mechanic beside You. .
warning: take the car to a mechanic.It is not a joke.|||You will need to replace the fallopian tubes before you bleed the brakesHow do you bleed the braking system on a Rover Mini?you need to bleed opposite corners i.e front left, back right, back left , front right to get all the air out.|||You will likely start in the master cylinder. Have someone press the brake pedal three times and hold it down, then with a wrench open the brake line at the master cylinder while the person continues to press the pedal to the floor but dont release it yet, release the brake pedal after you tighten the brake line, repeat this two times. Now go the the right rear wheel and do this again but use the bleeder valve not the brake line, now go the the left rear then the right front then the Left front wheel, be sure you refill the brake master each time you finish bleeding the area you are at. If your break pedal slowly sinks to the floor while you press it with all lines tight, you may have a leak or a defective brake master cylinder. Before you start be sure to look for leaks at all areas you will bleed first , If there is a leak you will need to repair the leak first then bleed the system. Most brake shops will do it for 1 hour charge, that might be the best thing to do anyway. Good Luck and GOD Bless|||maybe still air in the system but
most likely you haven't tighened the bloody bleed nipples properly!!
Spray them with brake cleaner and allow to dry
get a friend if you have one to apply pressure to the brake pedal in the car and check each brake in turn looking for leaking fluid
retighten as necessary
in future dont play with things beyond your limited ability|||listen to "John m" You can't tell anyone how to bleed brakes. You have to show them. don't experiment with
something you don't know. watch a mechanic do it first.
Your brakes can save your life and others too.|||Did you check the wheel cylinders to see if any of them leak or are weeping? If you hit the brake pedal a number of times does it "pump up"? you still got air/ or the master cylinder is worn out and needs a rebuild.|||Hi there, first of all ensure the vehicle is supported correctly with all four wheels off the floor, this is important so the load sensing valve will allow fluid to the brakes as per normal. Then have somebody sit in the vehicle and press the pedal severa times and hold the pedal down, this will pressurise the system and allow you to check for leaks. Start at the master cylinder and follow each brale line to the relevant brake especially checking the rubber flexi pipes to see if there is a leak from one of them. Asuming that there is no leaks make sure the master cylinder is topped up and then with a piece of clear palstic tube and your assistant sat in the vehicle go the the brake furthest away from the master cylinder. Put the tube on the bleed screw and open the bleed screw to allow fluid to come out, get your assisstant to pump the pedal several times until clear fluid with no bubbles comes out. When this is done top up the master cylinder and repeat the process and the next furthest from the master cylinder, then repeat the process at the next furthest and then finall the one closest to the master cylinder. The system should nw be free of air, make sure the master cylinder is kept tooped up at all times when doing this and also make sure when your closing the bleed screw that the pedal is been pushed down.
One more point, unless your fairly experianced i would urge you to take the vehicle to a qualified mechanic or garage, any Safety critical repair on a vehicle should be carried out by a suitably qualified mechanic in the intrest of your safety and also the safety of the public
Hope that helps|||hi...do what Phil D said...but get another person sat in the car gently pumping the brake pedal with you loosen off each bleed nipple...the air will come out and then pure brake fluid...but remember to top up the brake fluid main reservoir under the bonnet each time you bleed each corner.
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