Turbo Oil Feed Line Question

[Golf/Jetta]

On my '94 it seems to keep its oil at the turbo (able to drive right away without the turbo scraping/screeching sound) but my '97 takes a minute for the oil to reach the turbo, other wise it screeches. Is there a check valve? Should there be one? Thoughts?

[8v-of-fury]

On my '94 it seems to keep its oil at the turbo (able to drive right away without the turbo scraping/screeching sound) but my '97 takes a minute for the oil to reach the turbo, other wise it screeches. Is there a check valve? Should there be one? Thoughts?

That's just never a good idea, ever. The 97 literally takes one whole minute to gain sufficient oil pressure to the turbo? Are you running SAE 85w gear oil as motor oil?

[Golf/Jetta]

That's just never a good idea, ever. The 97 literally takes one whole minute to gain sufficient oil pressure to the turbo? Are you running SAE 85w gear oil as motor oil?

No both cars currently run on 15w-40 and both cars actuators are disabled. I did notice it took less time for the '97 turbo to be operational on Rotella 0-40.

[R.O.R-2.0]

That's just never a good idea, ever. The 97 literally takes one whole minute to gain sufficient oil pressure to the turbo? Are you running SAE 85w gear oil as motor oil?

No both cars currently run on 15w-40 and both cars actuators are disabled. I did notice it took less time for the '97 turbo to be operational on Rotella 0-40.

turbo should be operational instantly when the engine is started..

my turbo sometimes takes up to 1 SECOND to get oil, but thats very rare.. its usually got oil the instant the engine fires up..

[nathan_b]

if your turbo is ever scraping, its f*Ked

[R.O.R-2.0]

if your turbo is ever scraping, its f*Ked

yea, for sure.. completely toasted..

[Golf/Jetta]

Funny that it still produces boost (15 PSI). The turbo on the '97 is a T3 if it matters. Should there be oil in the oil feed line near the turbo or does the oil fall back into the oil pan? Make me wonder if there is coke build up in the feed line or their return line is clogged.

[R.O.R-2.0]

Funny that it still produces boost (15 PSI). The turbo on the '97 is a T3 if it matters. Should there be oil in the oil feed line near the turbo or does the oil fall back into the oil pan? Make me wonder if there is coke build up in the feed line or their return line is clogged.

15 psi is weak for a T3.. and when did you swap the turbo onto the engine? did you check it for wear?

if it takes the turbo a minute or more to get oil, then the bearings are most definitely bad.. if they arent yet, they will be before too long.

if it scrapes, its on its last legs. a turbo thats in good shape, will never scrape.. EVER.

[Golf/Jetta]

Hmm. I always thought the turbo is a floater. Good thing I asked about this.

I watched a bunch of whining turbos on youtube, they seem to really squeal from cold start up to its still squealing while driving. I guess mines not too far off.

I did notice on TDIs that the intake manifold gets slug build up (oil/exhaust) and when I looked inside of mine, mine has clean/dirty engine oil that isn't building up. The intake manifold doesn't get its oil from before the turbo but rather after the turbo on the compression side. Then again TDIs reroutes parts of the exhaust to get re burnt up ( Emissions )