Is there any information on this anywhere? like a Repair manual on a turbo? Just wondering because I want to rebuild my Hitatchi T-18 (s4 turbo) before i put it in my car...Theres nothing about this in the service manual, and I have accese to mitchell on demand, which didnt have anything either. =\

 

bump.

 

All I have seen here is that you can use a Garrett T4 rebuild kit.
Past experience with high speed balanced assemblies suggests:

Keep the unit & the workspace clean.
Mark the position & rotation of all parts to avoid balance & alignment problems on re-assembly.
Use wrenches that fit exactly.
Use a torque wrench where you can on disassembly to get some approximate values for reassembly.
Be very careful not to damage or bend the thin fins.
Pre-oil the bearings & seals during assembly.

Anyone with experience on this unit, please comment.

 

Thanks for the post Man, any other comments are quite appriciated!

 

Step one.
Remove turbo.
Step two.
Take it to a turbo rebuilder

I got mine done for $200.

I wouldn't fully trust myself rebuilding one since you have to MARK EVERYTHING! so you done mess up the balance.
Remember that this thing will spin at 100,000++ RPMS!
You don't want it grenading due to unblanced parts and taking your motor with it.

 

I was also very worried about the balance issue. I had mine rebuilt by a (cough) professional (cough)....

 

Here's a really good DIY HT-18 rebuild how-to. I dunno where I found it or who wrote it but I've had it for ages. Hope it helps.

 

Damn that's pretty cool.

*puts that in his archives*

 

holy crap man, thanks a lot