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Old 17 March 2013, 14:12   #1
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Yanmar 6LP-STZE (315hp) turbo charger

Does anyone have a good spare turbo for this engine, or can suggest where a reasonably priced one can be sourced?

Was out today, probably spent 30 mins out in Poole Bay at medium revs, and coming back down the main channel in Poole noticed a bit of smoke as I gave it a bit more throttle. Looked very much like too much diesel being injected and not burnt, and I think the turbo made a strange whining noise as well, so suspect it's either gone, or on it's way out! Thankfully was very close to the marina, so limped back in at low revs, and all seemed fine when the turbo wasn't engaged.

Have an engineer coming tomorrow to confirm, but I suspect the turbo is dead, and Yanmar prices are always very scary!

Thanks,

Paul
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Old 17 March 2013, 14:16   #2
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why dont you get repaired
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Old 17 March 2013, 14:17   #3
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Old 18 March 2013, 08:22   #4
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Many thanks Adrian (falcon0310) for the helpful advice last night.

And thanks Graham (yam man) - would have replied to the PM, but your inbox is full!

Hopefully an engineer should be along soon to diagnose and confirm whether it is definitely turbo at fault, or anything else that's gone wrong.

From a quick chat with Turbo Dynamics along the coast in Christchurch, I understand that as long as the casing and turbines are intact, they can rebuild for a very reasonable cost. That would certainly be preferred, as a new turbo comes in at ~2000!

Fingers crossed it just just some blown seals/bearings in the turbo!
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Old 18 March 2013, 09:16   #5
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Quote:
Originally Posted by paulbrown22 View Post
Many thanks Adrian (falcon0310) for the helpful advice last night.

And thanks Graham (yam man) - would have replied to the PM, but your inbox is full!

Hopefully an engineer should be along soon to diagnose and confirm whether it is definitely turbo at fault, or anything else that's gone wrong.

From a quick chat with Turbo Dynamics along the coast in Christchurch, I understand that as long as the casing and turbines are intact, they can rebuild for a very reasonable cost. That would certainly be preferred, as a new turbo comes in at ~2000!

Fingers crossed it just just some blown seals/bearings in the turbo!
Hi Paul, we had replace Turbo on the 6LY2a STP last year (think that one was listed at nearly 4K IIRC)..... Bearing housing was scored and was not economically viable to repair (Turbo Dynamics were v helpful though).... In the end we sourced one in Germany from main IHI importer was a HUGE saving and arrived nexy day IIRC.....will see if I can find the dealer....

EDIT...here we go: http://v2.btsturbo.de/289/?L=1
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Old 20 March 2013, 11:44   #6
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As suspected, engineer confirms the main bearing in the turbo has let go. Given we're practically next door to Turbo Dynamics, we'll take it in to them in the hope the rest of the components are okay, so it might be rebuildable. That would be a very nice outcome!

Failing that, thanks Dan - will see what price your importer can do. In the UK people are quoting 2k+ for this turbo.
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Old 20 March 2013, 16:16   #7
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Hi Paul , main bearings normally fail from over-boost (waste-gate problem it could be the vacuum hose pipe being split)or corroded completely . 9 times out of 10 oil contamination. Your specialist should be able to give you answer just I would give you the heads up .
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Old 20 March 2013, 18:48   #8
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Many thanks Graham, some very helpful hints there.

I'll see what TurboDynamics say, if necessary will bring over to you for a second opinion!
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Old 25 March 2013, 14:10   #9
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Bad news from Turbo Dynamics having inspected the turbo - the bearing completely let go and the vanes are knackered, so they won't rebuild.

So guess I'm back to looking for a decent second hand unit, or trying to find the best price for a new one!
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Old 25 March 2013, 14:12   #10
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Can't they do garrat conversion Paul
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