Thread: Pre trip check

If you are going remote

And your tranny fluid cooling pipes are ageing ( 8 plus years) have athink about gettingthem replaced as preventative measure.

Mine were 10yo, 140k km and the swage fittinglet go (the high pressure one). 300km east of Alice. no roadside fix to that problem and while not a regular failure it happens often enough to concern. ( I carried a spare fuel pump as well ).

Sat phone andNrma premium care saved my bacon.

Recovery to Alice, 7days accom and 7 days car hire (prado, got sand bogged 3 times; useless) meant the trip was salvaged.


Enjoy the journey

Get a torch & a mirror & look at the top of fuel tank for chafing fuel lines & also follow them up to engine to make sure they are all OK.

Wire goes around rear of engine needs a check ,also power steering low pressure pipe where it rubs at front of engine left side at top of sump.

Look over fuel regulater for weeping or leaks.

Check wiring on top of G/box & T/C for rubbing.

If you have ACE,check all pipes left front of engine bay for chafing.

All the other standard trip prep stuff,tyres,crawl under everywhere with torch,etc.

Have a good trip.

There is no such thing as a high and low pressure transmission cooling pipes.

Pressure is low and would be the same on both.

Well when I blew the hose the guys at Suttons in Alice who did the job talked about the pressure being in the order of 150psi and not possible for a road side hose clamp repair job and that pressure into the cooler is higher than out of the cooler and it is the inlet hose to the cooler that is the one that blows i.e the high pressure side.

That not right?

The only way that you can have higher pressure going in, and lower coming out of the cooler is if there is some sort of resistance in the cooler, which there should not be, and having said that the in is not high pressure anyway. In the earlier days of fitting after market auxiliary coolers this was done by just cutting the steel pipe and adding hose(which was identical to low pressure fuel hose except was designed for oil) using normal hose clamps. No high pressure here. To the best of my knowledge, ZF's are no different.

A lot of coolers are just like a small radiator. Now I do not know what pressure a radiator can handle, but they are protected with the cap set at 13 psi. I get nervous at 20 psi when trying to find a leak.

The usual reason I've found that the inlet hose blows more frequently is that it's harder to push on than the outlet.

With the right barbed fittings and decent clamps you should be able to repair split hoses. I'm heading to Darwin next week and have packed a few barbs for various sized hoses and t-bolt clamps.

Glad i've got a manual!!!!
Regards
Robbo

I would rather be doing a roadside repair on transmission cooling lines than the hydraulics for the clutch