Major fault causes end to holiday... Turbo issues

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Originally Posted by Blknight.aus

heres the thing with run in turbos.

when you shut em down and the thin synthetic oil is all out of the bearings if you push on and then try to turn the impeller its going to stick. (this is how your average joe does a turbo check rip off the inlet poke your fingers in there and try to wiggle it around and spin it.

90% of turbos are bush bearings and they rely on the oil pressure to turn them from bushes to bearings, no oil pressure no bearing, no bearing no easy spin.

for those playing at home, a wiggle check will get you some info, but its no longer enough back in the day when we were using tar as engine oil you could get away with it and get pretty close. if you do a wiggle check turn the thing a couple of times to make sure its not actually stuck and then disable the engines ability to start and with the inlet hose off crank it on the starter till the oil pressure come up (or start it, get oil pressure, stop it and then crank it on the starter without starting it while you watch the turbo).

IF it turns over swiftly and well with just the engine acting as a pump you're probably going to be ok.

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Thanks for that info, as that appears to be pretty much the process that was followed at Norseman. It explains how the initial diagnosis could reasonably be found to be different to the LR workshop diagnosis.

Cheers :)

Had my 90 degree intercooler hose changed under warranty. I have a silicon hose set changed them except the 90 degree one. Question do you have to remove the coolent hoses above to get to it.
cheers Eddie

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Originally Posted by Eddie

Had my 90 degree intercooler hose changed under warranty. I have a silicon hose set changed them except the 90 degree one. Question do you have to remove the coolent hoses above to get to it.
cheers Eddie

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I find it easier to swing the water pump out of the way to do that one

I'm wondering if the title of this thread should be changed to something like 'Minor fault, incorrectly diagnosed, causes end to holiday'.

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Originally Posted by POD

I'm wondering if the title of this thread should be changed to something like 'Minor fault, incorrectly diagnosed, causes end to holiday'.

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Yep that is probably right as it all seems to have worked out.

I've had no further issue since the replacement of the split intercooler hose in WA. Throughout the entire process I was well looked after, and I have to say the LR Roadside Assist folks were brilliant.

Thanks to all forum members for their input.