Weird brakes

Submitted: Wednesday, Oct 25, 2006 at 20:06
ThreadID: 38825 Views:2599 Replies:6 FollowUps:7
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Hey People

Something weird is going on with my brakes that I have never noticed before, when I am about to drive off and I am on a angle let go of the clutch and the handbrake is off the car won’t move at all….normally it should start to roll backwards or forwards when you take the foot of the brake but it’s almost as if the brakes are stuck on there. It all goes away once I start to drive though

I have not done the brakes since I have owned the car about 2 years ago now but at the last service 5 weeks ago they said it’s all good still

Is this something I need to worry about?

Have a good night
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Reply By: Martyn (WA) - Wednesday, Oct 25, 2006 at 20:15

Wednesday, Oct 25, 2006 at 20:15
Troll 81,
In one direction, leaning backwards I think if you take the handbrake off under load the brake shoes grab due to the direction or rotation versus the force to try and open the brake shoes up, this happens when the shoes need adjustment, the angle of the opened shoe is greater. Going forwards you've got me, my brakes need adjusting I have the same problem only when the vehicle leans forward I have to put a chock under the wheel to be sure it's still there when I come back if it's quite steep of course.
Keep the shiny side up

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AnswerID: 200937

Follow Up By: Bilbo - Thursday, Oct 26, 2006 at 01:03

Thursday, Oct 26, 2006 at 01:03
Martyn,

The above applies to drum brakes only. It's called 'self-wrapping" or "self-servo" action.

Doesn't work with discs.

Bilbo
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Follow Up By: Member - Roachie (SA) - Thursday, Oct 26, 2006 at 10:30

Thursday, Oct 26, 2006 at 10:30
The Patrol has a drum brake on the tail shaft for the handbrake. I'm not sure if "axle-wrap" would affect that type of handbrake? I've certainly never experienced anything like what has been described with my 6 year old Patrol and I don't pay anywhere near as much attention to my brakes as i should.

Now, I wonder whether it could have anything to do with that small "equalisation" (?) set-up above the back axle?

I recently realised (after reading a post on here) that the bias arrangement was out of kilter because I had around 4 to 5 inches of lift in the back end. I made up an extension bar/bracket to raise the doover about 3" above it's standard axle-mounted position because the spring was under constant tension and the piton was being pushed in even when the vehicle was at rest in the carport.

However, after I did that, the brakes didn't seem to work as well, so I changed things around a bit more (shorter bracket) and it all seems okay now.

Dunno whether any of this has any bearing on your problem mate; but good luck with it.

Roachie
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Follow Up By: Martyn (WA) - Thursday, Oct 26, 2006 at 20:18

Thursday, Oct 26, 2006 at 20:18
Roachie,
Thanks didn't quite know how to answer that one. Bilbo, your right in what you say but as Roachie mentions the Patrol has the drum on the rear of the transfer case, I have the same problem with my Range Rover, same set up. I still can't expalin the problem of the lock up going forward................
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Follow Up By: Bilbo - Thursday, Oct 26, 2006 at 22:18

Thursday, Oct 26, 2006 at 22:18
Sorry, I didn't know he had a Patrol.

Bilbo
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FollowupID: 460325

Reply By: ZUKSCOOTERX90(QLD-MEMBER) - Wednesday, Oct 25, 2006 at 20:18

Wednesday, Oct 25, 2006 at 20:18
Troll, no need to worry only bad drivers need brakes.Lol
Cheer's Bob.
AnswerID: 200939

Follow Up By: Member - Troll 81 (QLD) - Wednesday, Oct 25, 2006 at 20:24

Wednesday, Oct 25, 2006 at 20:24
Thanks Bob I will remember for next time.
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Reply By: apriti00 - Wednesday, Oct 25, 2006 at 20:28

Wednesday, Oct 25, 2006 at 20:28
Hi Troll81,

I had a similar problem and also found that the brakes would drag a bit when slowing down, while posting around I found that this is not totally uncommon and the fix recommended was to renew the brake fluid. With nothing to lose and for the small cost of a few litres of brake fluid I gave it a try, surprise brakes back to normal. I don't know what can cause the problem but it has definitely gone away.

Cheers Walter MEL
AnswerID: 200943

Follow Up By: Member - Troll 81 (QLD) - Wednesday, Oct 25, 2006 at 20:35

Wednesday, Oct 25, 2006 at 20:35
I might give that a try coz my brakes feel a bit soft and they are not as responsive as what I would like

Thanks
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Reply By: obee - Thursday, Oct 26, 2006 at 09:33

Thursday, Oct 26, 2006 at 09:33
I had this prob once and Toyota dealer mechs said nothing wrong. They were non plussed when I invited them to try and drive the car out of the yard!

A friend told me that a dunking in salty water will make them grab so I took the drums off and gave them a good clean down and no worrys since. (I had been stuck in a creek for an hour or so)

On the subject of dealers I have not been back to my local since they tried to strip all my wheel nuts with the rattle gun. If they cant keep a simple thing like that right then what else cant they do? I do everything myself now and dont have to lose any sleep over it.

Owen
AnswerID: 200992

Follow Up By: Bilbo - Thursday, Oct 26, 2006 at 22:26

Thursday, Oct 26, 2006 at 22:26
Ooohh! Rattle Guns!! Now there's a nasty subject to mention.

I will NOT, repeat NOT, have a rattle gun used on my truck wheels. They are dangerous and damaging in the hands of unthinking fools.

I INSIST, repeat INSIST, that my wheels are tightened with a wheel brace. Even then I check 'em myself afterwards.

All of us should insist on this.

I well know the damage that can be done to wheel threads with a rattle gun. As a younger, more impatient young man in a hurry, I once chewed up a half a set of wheel studs on semi. It took me 6 hours to chisel and oxy torch the nuts off to get the wheel on PROPERLY. I was one of those "unthinking fools" once.

Bilbo
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FollowupID: 460328

Reply By: Batman69 - Thursday, Oct 26, 2006 at 10:17

Thursday, Oct 26, 2006 at 10:17
Troll,

You may find the pistons are binding slightly within the calipers, this can happen over time. To rectify you pull apart, clean everything up and replace all o-rings on the pistons within the brake caliper.
AnswerID: 200998

Reply By: Bilbo - Thursday, Oct 26, 2006 at 22:36

Thursday, Oct 26, 2006 at 22:36
But now that I know it's a Patrol - my Ford Mav used to do it all the time. The handbrake used to stay on, backwards or forwards. It used to release after about 25 metres as I muttered to myself,"Must adjust that bloody handbrake soon".

I never did.

It was REAL bad if I used to handbrake to come to a stop instead of the footbrake! Sometimes I couldn't get the handbrake off!

The more that the brake shoes are out of contact with the brake drum, i.e the more they are out of adjustment, the more they will grab and stay on. This is due the 'self wrapping" action.

Bilbo
AnswerID: 201128

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