Strange noise and transmission braking

ProcrastinatorFraser · Feb 8, 2016

Every time i get out of gear and depress the clutch and let the car roll to a stop with it's own 1.6 ton ass, i get this *tak tak tak* noise from g/box or t/box, almost like gears not quite meshing properly. I also feel as if the car is braking on it's own, without touching the brake pedal or handbrake lever. I tried pressing the brake pedal a few times and moving the handbrake lever a few times, but to no avail. Any ideas?

Kwakerman · Feb 8, 2016

Could be thatr the handbrake drum adjuster is set to close / tight so the shoes are rubbing. Does the handbrake drum feel hot after a drive?

Flossie · Feb 8, 2016

Kwakerman said:
Could be thatr the handbrake drum adjuster is set to close / tight so the shoes are rubbing. Does the handbrake drum feel hot after a drive?

+1

flat · Feb 8, 2016

Flossie said:
+1

+2

Saint.V8 · Feb 8, 2016

On the worst case....Transmission wind up due to centre diff not unlocking fully?

It is a longshot, but worth checking!

ProcrastinatorFraser · Feb 8, 2016

Alright, thanks for the replies, i'll give it a spin tomorrow and tell you the outcome on the handbrake drum, i would be surprised if it is because it was rebuilt and adjusted not long ago... and i do use diff lock quite a lot, so how should i go about testing transmission windup?

Saint.V8 · Feb 8, 2016

ProcrastinatorFraser said:
Alright, thanks for the replies, i'll give it a spin tomorrow and tell you the outcome on the handbrake drum, i would be surprised if it is because it was rebuilt and adjusted not long ago... and i do use diff lock quite a lot, so how should i go about testing transmission windup?

Simplest way is to jack up one wheel....if, as the weight is taken off it, it starts to 'unwind' or 'slip' there is transmission wind up and the reduction of friction on the lifted wheel will allow it to unwind itself.

ProcrastinatorFraser · Feb 8, 2016

Saint.V8 said:
Simplest way is to jack up one wheel....if, as the weight is taken off it, it starts to 'unwind' or 'slip' there is transmission wind up and the reduction of friction on the lifted wheel will allow it to unwind itself.

Right, thanks i'll get on that tomorrow!

Kwakerman · Feb 8, 2016

Lift a front wheel with the handbrake on and in neutral, if you can spin the wheel (and front prop) then diff lock is out, if you only get 1/2 turn then it stops diff lock is engaged.

Saint.V8 · Feb 8, 2016

Kwakerman said:
Lift a front wheel with the handbrake on and in neutral, if you can spin the wheel (and front prop) then diff lock is out, if you only get 1/2 turn then it stops diff lock is engaged.

^^^^^ that too....

ProcrastinatorFraser · Feb 9, 2016

Transmission is not winded up, and the brake handbrake drum is just a touch over cold after a bit of a drive. Any ideas?

tottot · Feb 9, 2016

Possible that a UJ journal has seized solid,another sign of this is vibration at higher [40 plus] speeds.

ProcrastinatorFraser · Feb 9, 2016

tottot said:
Possible that a UJ journal has seized solid,another sign of this is vibration at higher [40 plus] speeds.

i have big mud terrain tyres on the thing, i wouldn't be able to notice. Are there other ways of checking?

mick the builder · Feb 9, 2016

Have you a nail or stone stuck in one your tyres

tottot · Feb 10, 2016

ProcrastinatorFraser said:
i have big mud terrain tyres on the thing, i wouldn't be able to notice. Are there other ways of checking?

The affected journal will often be rather hot after a run,but after a while the needle bearings will break up and fall out and the UJ will be very loose and in need of replacement

hobroydharry · Feb 10, 2016

Sounds to me like a clutch release bearing, mine made a noise when you coasted to a stop....drives you nuts after a while. How many miles has it done and has it had a new clutch. They can also get crap around them especially if you get into a lot of mud etc and the drain is blocked...is it a regular tick that slows in rate as you stop? If so it rules out the engine as that speed is constant. As an after thought you may also have a calipre seized too causing the slowing effect which is being confused as emanating from the box....two different problems acting as one or seeming too?? Last final thought you have not got a stick or something stuck underneath rubbing....I have had that when I have been over ambitious in the off road stakes then you think something is really wrong!

ProcrastinatorFraser · Feb 10, 2016

hobroydharry said:
Sounds to me like a clutch release bearing, mine made a noise when you coasted to a stop....drives you nuts after a while. How many miles has it done and has it had a new clutch. They can also get crap around them especially if you get into a lot of mud etc and the drain is blocked...is it a regular tick that slows in rate as you stop? If so it rules out the engine as that speed is constant. As an after thought you may also have a calipre seized too causing the slowing effect which is being confused as emanating from the box....two different problems acting as one or seeming too?? Last final thought you have not got a stick or something stuck underneath rubbing....I have had that when I have been over ambitious in the off road stakes then you think something is really wrong!

It's had a new clutch about 1000km ago, but the noise sounds like it's coming more from the transfer box more than anything

Flossie · Feb 10, 2016

Has it been lifted?

ProcrastinatorFraser · Feb 11, 2016

Flossie said:
Has it been lifted?

no, it's got all stock suspension components.

Strange noise and transmission braking

ProcrastinatorFraser

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Kwakerman

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Flossie

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flat

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Saint.V8

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ProcrastinatorFraser

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Saint.V8

Dyed-in-the-wool 100% RR Junkie

ProcrastinatorFraser

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Kwakerman

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Saint.V8

Dyed-in-the-wool 100% RR Junkie

ProcrastinatorFraser

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tottot

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ProcrastinatorFraser

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mick the builder

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tottot

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hobroydharry

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ProcrastinatorFraser

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Flossie

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ProcrastinatorFraser

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