Garrett T25 oil drain threads? - Defender Source
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  #1  
Old September 4th, 2012, 01:23 PM
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Garrett T25 oil drain threads?

Since I am away from the Turbo at the moment does anyone know the thread size of the large oil drain hole on the housing? I'm thinking it's either metric straight or BSP. Anyone know? Trying to find the right AN adapter.
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  #2  
Old September 4th, 2012, 03:31 PM
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Suspect it is metric though I really do not know. Curious where you are sourcing parts for the hoses you are going to make up.

Quote:
Originally Posted by o2batsea View Post
Since I am away from the Turbo at the moment does anyone know the thread size of the large oil drain hole on the housing? I'm thinking it's either metric straight or BSP. Anyone know? Trying to find the right AN adapter.
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  #3  
Old September 4th, 2012, 04:06 PM
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I have a spare 200tdi turbo at work, I can try and figure it out tomorrow.
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Old September 4th, 2012, 04:15 PM
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Jegs. I already have a ton of braided hose stuff including the koul tools stuff-the-frazzy-hose-into-the-fitting-tool. I think if it's metric I can do an M16 to 10AN adapter and a similar one on the block and Bob will be my moms' brother. Ditto the oil feed. I can use the existing banjo bolt and get the adapter to AN.
Making up similar braided stainless for the power steering. They have the o-ring type to AN adapters for that too. There are a couple different types of hose depending on whether it is for high or low pressure, etc. even tho it looks the same outwardly. Going braided hose Koo-koo!
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Old September 4th, 2012, 05:51 PM
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Does yours have a female threaded port or is the 2 bolt flange type?
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Old September 5th, 2012, 06:17 AM
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Quote:
Originally Posted by o2batsea View Post
and a similar one on the block and Bob will be my moms' brother. Ditto the oil feed.
I'm curious why you're replacing two such critical none wearing parts with flexible hose that has a finite life span and greater chance of failure.
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  #7  
Old September 5th, 2012, 06:22 AM
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Cuz I'm flipping the turbo upside down, silly.
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  #8  
Old September 5th, 2012, 10:49 AM
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hey bill, correct me if I am wrong, but the t2 center section has a smaller threaded hole for the oil inlet and a two-bolt flange for the oil drain. If this is the case then the garrett factory recommendation is that you should not operate the turbo in the opposite configuration (oil drain out of the little hole).

iirc the t3's used 4an thread for the inlet. not sure what the t2's use.
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Old September 5th, 2012, 11:04 AM
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No Ed, not turning the center section upside down. I am rotating the exhaust housing 180 so that the turbo inlet side will be rearward and the exhaust forward. This gets the turbo up out of the way of the steering shaft etc. I need only "clock" the center section around so that the drain is at the bottom again. This makes the factory feed and drain lines no longer fit, thus the need to redo the lines.
The 200 Tdi flayva T25 has a threaded drain outlet, and a banjo feed inlet. Both of these are easily adapted to AN fittings if one can come up with the correct adapter.
If I had a 300Tdi manifold set this would all be moot.
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Old September 5th, 2012, 11:21 AM
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Quote:
Originally Posted by o2batsea View Post
The 200 Tdi flayva T25 has a threaded drain outlet, and a banjo feed inlet. Both of these are easily adapted to AN fittings if one can come up with the correct adapter.
gotcha good sir
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