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Should this be a turbo oil return line?
Posted: 02 Aug 2022, 14:21
by Joelbtdavies
Hunting oil leaks and found that a hose between the turbo and oil sump is cracked and dropping some oil I think. Was going to crack on and replace this hose, but came across the turbo oil return line on bw.
Should this hose actually be a metal pipe?
Does it make much difference if so?
Could this be the reason I'm not convinced my turbo is fully working? (Pretty slow van -tops out at 50mph and sluggish up hills)
The hose has been there the whole time I've owned the van... Obviously doesnt mean it's right!
Re: Should this be a turbo oil return line?
Posted: 02 Aug 2022, 16:04
by davidoft1
What RPM are you changing up gears ? Turbo comes if pretty high up the Rev range , you gotta Rev it fairly high for full boost
Re: Should this be a turbo oil return line?
Posted: 02 Aug 2022, 18:09
by Joelbtdavies
Not certain what the number would be as don't have a rev counter, but I think to the top of the range really from how it feels.
Re: Should this be a turbo oil return line?
Posted: 08 Aug 2022, 15:07
by RogerT
Regarding your lack of boost, you should check your LDA is holding pressure, and is actually connected to the inlet manifold. I’ll dig out some photos.
Re: Should this be a turbo oil return line?
Posted: 08 Aug 2022, 15:18
by RogerT
viewtopic.php?t=134890
So this post refers to the spigot on the inlet manifold that provides the boost pressure. And further down refers to how to check the LDA is holding pressure. Bernd Jager in Germany sells new LDAs, and I think Brickwerks do too. There was also a thread a wee while ago about repairing the LDA with a new diaphragm.
Re: Should this be a turbo oil return line?
Posted: 08 Aug 2022, 15:25
by RogerT
As to the oil return pipe, see here :-
https://brickwerks.co.uk/product/turbo- ... -1-6td-jx/
It has a flexi section.
Not to be confused with the oil feed pipe:-
https://brickwerks.co.uk/product/turbo- ... ternative/
Re: Should this be a turbo oil return line?
Posted: 08 Aug 2022, 15:28
by RogerT
Re: Should this be a turbo oil return line?
Posted: 16 Aug 2022, 12:11
by RogerT
Ah well, maybe my replies will be useful to some other poor sod who might actually be bothered to search , and even to reply…
Re: Should this be a turbo oil return line?
Posted: 16 Aug 2022, 12:16
by Aidan
He was on last week looking for a 27mm socket to do the injectors last week, he may have met with David oft1
Re: Should this be a turbo oil return line?
Posted: 16 Aug 2022, 14:39
by RogerT
Willing to get his hands dirty so can’t be all bad, eh.