Outer Limits 4x4 Board

Hi all i am wanting to extend my diff breathers.... what size diameter hose should i use ?

What size are the fittings in the diff? No use trying to get 1" diameter hose over a 1/4" fitting.

Deppens what you drive for my suzuki i used garden hose.

Measure your fittings on the diffs. For my old Rodeo I think it was 6 or 8 mm on the diffs and 10mm for the gearbox.

On my Discovery it was 4mm for the diffs and not done the gearbox yet.

ok no worries i thought it may have been a universal size

Take the fitting out and replace it with a airline fitting like what they have for air lockers. You can get this from most specialised industrial shops.
It also has joiners tees and filters to attach and cant be pulled out once the line is connected by sticks etc

mudmacaca wrote:Take the fitting out and replace it with a airline fitting like what they have for air lockers. You can get this from most specialised industrial shops.
It also has joiners tees and filters to attach and cant be pulled out once the line is connected by sticks etc

Don't do this. Plastic airline is too small internal diameter to make an effective breather. Use the same size as original or slightly larger if it will clamp firmly on the fitting.

Cossie wrote:

mudmacaca wrote:Take the fitting out and replace it with a airline fitting like what they have for air lockers. You can get this from most specialised industrial shops.
It also has joiners tees and filters to attach and cant be pulled out once the line is connected by sticks etc

Don't do this. Plastic airline is too small internal diameter to make an effective breather. Use the same size as original or slightly larger if it will clamp firmly on the fitting.

what makes you say that, did you blow seals because of it? I cant imagine that there is a massive amount flow required.

Cossie wrote:

mudmacaca wrote:Take the fitting out and replace it with a airline fitting like what they have for air lockers. You can get this from most specialised industrial shops.
It also has joiners tees and filters to attach and cant be pulled out once the line is connected by sticks etc

Don't do this. Plastic airline is too small internal diameter to make an effective breather. Use the same size as original or slightly larger if it will clamp firmly on the fitting.

Codswollop.
I have had no problems and if you want to go the next step it easy to positivly charge your diff

mudmacaca wrote:

Cossie wrote:

mudmacaca wrote:Take the fitting out and replace it with a airline fitting like what they have for air lockers. You can get this from most specialised industrial shops.
It also has joiners tees and filters to attach and cant be pulled out once the line is connected by sticks etc

Don't do this. Plastic airline is too small internal diameter to make an effective breather. Use the same size as original or slightly larger if it will clamp firmly on the fitting.

Codswollop.
I have had no problems and if you want to go the next step it easy to positivly charge your diff

Try it on the front diff of an 80 or 100 series and then say that!

Cossie wrote:

mudmacaca wrote:

Cossie wrote:

mudmacaca wrote:Take the fitting out and replace it with a airline fitting like what they have for air lockers. You can get this from most specialised industrial shops.
It also has joiners tees and filters to attach and cant be pulled out once the line is connected by sticks etc

Don't do this. Plastic airline is too small internal diameter to make an effective breather. Use the same size as original or slightly larger if it will clamp firmly on the fitting.

Codswollop.
I have had no problems and if you want to go the next step it easy to positivly charge your diff

Try it on the front diff of an 80 or 100 series and then say that!

I've done it on my 4runner and am about to get a 60series and I'll do it on that.
What happened to your rig? Did it get water/mud in it or did you blow your seals?

Cossie wrote:

mudmacaca wrote:

Cossie wrote:

mudmacaca wrote:Take the fitting out and replace it with a airline fitting like what they have for air lockers. You can get this from most specialised industrial shops.
It also has joiners tees and filters to attach and cant be pulled out once the line is connected by sticks etc

Don't do this. Plastic airline is too small internal diameter to make an effective breather. Use the same size as original or slightly larger if it will clamp firmly on the fitting.

Codswollop.
I have had no problems and if you want to go the next step it easy to positivly charge your diff

Try it on the front diff of an 80 or 100 series and then say that!

Only because they have breather to low on housing and foam up the line. Use the standard seperator box on firewall and prob not an issue.

1/8 plastic airline hose works great on majority of vehicles so does 6mm rubber fuel line.

Bazzle
Bazzle

i drilled mine out and used a 7/16 fitting and used 3/8 airline.
remember that if you do this use tapping paste when you tap cast iron, or else you will rip the thread out.

how do you stop the filings falling into the diff?

ausoops wrote:how do you stop the filings falling into the diff?

Have the centre out

mudmacaca wrote:Take the fitting out and replace it with a airline fitting like what they have for air lockers. You can get this from most specialised industrial shops.
It also has joiners tees and filters to attach and cant be pulled out once the line is connected by sticks etc

I agree with this method

ausoops wrote:how do you stop the filings falling into the diff?

diff centre was out. i wouldn't have a problem with doing it with the centre in, hardly any swarf fell through the hole, the only bits that did where from tapping.

with the centre in, you will need the bottom/blind/plug tap, cause there is not much clearance under the hole.