Pull to left on Braking-Air in Lines?-1983 Mercedes 240D
Pull to left on Braking-Air in Lines?-1983 Mercedes 240D
My car pulls to the left on braking. I thought it was because one of the calipers had air in the lines as I just replaced the Master Cylinder and just rebled the Slave Cylinder on the Clutch. However after bleeding the brakes yesterday, the problem persists. I changed the brakes pads last month. http://mywebpages.comcast.net/snow7ice/BENZ.html |
Sounds like your right caliper has seized up and it not operational, since the left caliper clamps down and causes the pull to the left.
Check the right caliper for any leaks, but it sounds like the pistons are shot.:( |
Yes, the problem is either a bad caliper or a bad hose. Occasionally a brake hose will flake off internally and do weird things like put pressure to the caliper and not release it when you take your foot off the pedal.
Air in the lines will not make it pull because it reduces the pressure to both sides equally. Good luck, |
As luck would have it,
both my 300D and 240D are "down" for post winter wear and tear repair. These are the only cars I have.
Any chance I can postpone rebuilding the calipers ? Can I free up the stuck caliper by pumping and retracting the piston 3 or 4 times? |
With a problem such as this, why not try this : remove one pad from each side, and substitute with something uniform yet soft, then have your helper hit the brakes and release.
Remove the fairly soft material and measure the depression using a depth gage. . Compare the two sides.. I do not know of any gage that can check the caliper action directly.. as this is experimental.:D :eek: :D |
You may be able to unstick a caliper, though brakes are not really the best place to be cutting corners.
Lift the front, have an assistant apply the brakes while you attempt to rotate the wheel by hand. If the right one is doing nothing (or not enough), you would get a pull to the left. Could also be a worn steering component, like a tie-rod end on the left side. Braking might cause it to rapidly transition to a toe-out state. Possibly control arm bushings and such, since they go under load (and toe-out) when braking. Worth checking for an alternate culprit. Best of luck. |
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