Vehicle & Technical > Series Land Rovers

Brake pedal hitting the floor

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neddy:
When I took my 1974 s3 swb petrol out today to play in the snow I nearly took the fence opposite my garage down as the brake pedal went straight to the floor. It worked on the second pump and the fence shall live to see another day.
However it seems to be that I need to pump it once to get it ready to stop.
Once I have done this it seems fine as the second press feels firm and doesn't slowly drop while I keep the pedal pressed. 5 minutes later when I go to use the brakes again it is back to square 1.
Is this likely to be a master cylinder problem?
If so is it a relatively easy fix? I am not a very experienced mechanic but like to try most jobs myself, it's the only way to learn isn't it?

Paul:
I'd go for adjusting the brakes and bleeding the system first.

Devon-Rover:
Ditto

Adjustment of the shoes! one trolly jack and an 11/16 AF spanner IIRC is just the job.
Jack up one wheel at a time, adjust till the wheel locks then back off 2 clicks whch should have just the shoes tickling the inside of the drum.
Adjust all the rest and a firm pedal should be there.

spy:
Does it stop straight one you have pumped the pedal up?  Sounds like air getting in somewhere, maybe a bust wheel cylinder?

Fuddy as muck:

--- Quote from: "spy" ---Does it stop straight one you have pumped the pedal up?  Sounds like air getting in somewhere, maybe a bust wheel cylinder?
--- End quote ---


Sorry to hijack the thread, but my series is doing this since i took it off-road last week. Brakes dont work atall on the first pump, on the second pump they work just fine but do sometimes pull to the right :shock: I'm assuming the same stands for me too. Meaning that i need to blled the brakes first then adjust?

Darren

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