VWDiesel.net The IDI, TDI, and mTDI source.

Engine Specific Info and Questions => IDI Engine => Topic started by: RustyCaddy on October 13, 2010, 10:47:11 pm

Title: Rusted turbo assembly...can it be saved
Post by: RustyCaddy on October 13, 2010, 10:47:11 pm
i picked up a turbo assembly...it turned out that there was a lot of rust scale on the wastegate fins and the body near the union with the housing body.  i poked at a big flaky looking spot and a chuck of scale broke off the base of the wastegate exposing a hole right along the seam of the housing and the bottom of the wastegate.  The metal is really thin at the seam and you can see that the metal around the bolt holding the wastegate plate to the housing has rusted part way through  :o

The exhaust manifold that came with it has had a lot of rusty scale on the outside too but the inner passages look good

http://s764.photobucket.com/albums/xx284/rustycaddy9/turbo/

Having nothing to lose it took out the dremel and gave it a work through and didn't find anything else so bad.
Is it worth trying to plug the hole with high temp epoxy or welding?  Being right on the seam it looks to be bad :'(
Is this waste gate junk?  
Maybe just salvage the K14 and junk the rest

Kinda messed up  :'(


Title: Re: Rusted turbo assembly...can it be saved
Post by: UAofE on October 14, 2010, 06:58:43 am
Looks like its been in a salt bath.
Title: Re: Rusted turbo assembly...can it be saved
Post by: smutts on October 14, 2010, 09:32:25 am
That's a suprise, that nickel steel should be proof against anything short of nuclear attack. ;D
Title: Re: Rusted turbo assembly...can it be saved
Post by: RustyCaddy on October 15, 2010, 12:10:32 pm
i was pretty surprised to find that much corrosion. The seller was from the southern US but the vehicle must have been around alot of salt...maybe saltwater...maybe underwater ;)  Why just part of the exhaust and turbo assembly was so much worse than the other part is really strange...and the inside looks just fine ???
Title: Re: Rusted turbo assembly...can it be saved
Post by: VW Smokr on October 16, 2010, 08:09:51 am
Katrina? Only part of the exhaust was underwater? Your sandblaster may be your best friend on that part.

J.R.
SoCal
Title: Re: Rusted turbo assembly...can it be saved
Post by: RustyCaddy on October 17, 2010, 07:29:08 pm
i might ask the seller about the Katrina thing...i see he posted recently (very recently) today to another topic.

i think i will take it to a local turbo shop to get a estimate ...or post mortem  :(