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29th November 2019, 21:38 | #21 | |
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Quote:
I did say I know little about diesels, but there are obviously many around here that do. It's a pity you didn't wait longer before wasting your time. Good luck with the job. TC |
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29th November 2019, 21:55 | #22 |
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Thanks - I don't consider I've wasted time really - I've found a hole in the intercooler so this needs replacing anyway, and I'll up-rate the seals to Viton whilst I'm doing this. And it only took about 30mins to remove the turbo - but this now allows me to check the bearings as you suggested so a bit of piece of mind that they're either ok or may have failed.
Brian did say he had seen one failed turbo - perhaps mine will be the second |
29th November 2019, 22:43 | #23 | |
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At least you know how it comes apart My first diesel 75 was bought with a blocked filter, and the owner had been told it was a knackered bottom end I felt so sorry for the car (which was obviously recently been used as a taxi) and was very very neglected, I didn't offer advice on what it could possibly be. So after driving home slowly, I removed the PCV and found it to be absolutely solid as a brick New filter, new oil and filter, new lower arms and bushes, four new dampers and springs, four tyres and one swivel hub later, I gave the car to my dad (I wasn't keen on the colour..........disappointing grey ) That was at 80,000 miles, the current owner who is a member on here, commutes some 70 miles a day, and the car is still spot on, and still has the original turbo fitted, I'm sure by now it has about 170,000 miles on the clock |
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30th November 2019, 00:48 | #24 |
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I have seen a few blocked PCV filters
1 2 3 Once they are blocked solid you are in for some trouble know doubt about that. 4 5
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Arctic Givology Learn to Give Everything is Achievable ad altiora tendo. Check out our Nano meet dates http://www.midlandsnanomeets.co.uk/ http://www.the75andztclub.co.uk/index.php?thepage=howto " You do the work , we supply the expertise " |
30th November 2019, 07:38 | #25 |
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Great - thanks
So the filter can be changed - and I have one of those already - but is it the 'valve' that can also be blocked? Is the valve iteself the item to the right of the filter (as in photo #2)? Do I need to do anything with that - perhaps just open that part of the housing and clean? many thanks |
30th November 2019, 09:34 | #26 | ||
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Quote:
I have not seen a valve blocked as of yet, but I suppose it could happen, usually you just need to wipe it out clean with a rag, but if you did need a new one then here you go. https://www.ebay.co.uk/itm/BMW-E46-E...MAAOSwOzldnKcp
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Arctic Givology Learn to Give Everything is Achievable ad altiora tendo. Check out our Nano meet dates http://www.midlandsnanomeets.co.uk/ http://www.the75andztclub.co.uk/index.php?thepage=howto " You do the work , we supply the expertise " |
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30th November 2019, 09:59 | #27 |
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Thanks Arctic
I've taken a look at the actual valve and I think I'm ok. The diaphragm's not split or anything and seems to move up and down easily. I do have a question about my turbo but I'm going to start a new thread for that as this one's getting a little long. cheers Keir |
1st December 2019, 09:06 | #28 |
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The valve is a depression limiter - the diaphragm is vented to atmospheric ambient pressure and it closes to prevent the turbo from creating a negative pressure in the crankcase.
As long as the diaphragm and spring are in good condition it moves freely you should be fine. |
1st December 2019, 09:57 | #29 |
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Local garage advised me a about the breather PCV filter blocking. Told me they had a local owner of a BMW come in , burning oil like a smoke screen in WW2 movies. . BMW specialist had advised it needed a new engine. He changed the filter, which was virtually solid & after all the oil had burnt off, perfectly alright .
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1st December 2019, 17:52 | #30 |
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Don't forget though. Tell us If that blocked filter change fixed it then it will give me a nudge to go and check mine Before I start any oil ------drinking.
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