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and considering i wiped out the pipes last night i'm now beginning to worry a bit.
| geobloke Member Since: 06 Nov 2012 Location: Nottinghamshire Posts: 4410  
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Hi Tony. Woes indeed.
The oil is most likely coming from the rocker cover breather pipe that enters the turbo intake pipe. TD5s, especially higher mileage TD5s breathe moderately heavily even when standard. Add a modest ECU remap and they can breathe oily vapours in to the intake side of things quite easily. It is unlikely to be your turbo, but not impossible. The good news is that replacing the turbo CHRA or entire turbo is an easy DIY job to do and with basic tools. To reduce the amount of oil moving from the breather system then you can add a Provent200 oil separator (do not be tempted to buy the fake Provents or cheaper versions it is not worth it) in-line between the rocker and turbo intake. This will reduce 90-99% of the oil getting in to your intake system. Job done. It is advisable to clean out your intercooler at the same time as replacing the turbo/CHRA and/or adding the Provent200. In a RHD TD5 the Provent sits nicely on or next to the heater box. You can see the Provent in Miffy's engine bay just in front of the heater box.  Click image to enlarge Hope that helps. |
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28th Mar 2022 4:20pm |
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| NineCherries Member Since: 10 Aug 2019 Location: Falkirk Posts: 59  
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Thanks for your reply. I got home ok, drove like a granny 🤣
I think you are correct, thanks. I stripped out the inter-cooler and flushed it but it was pretty clear tbh (on the inside), but on the outside it's past it's best, a lot of the fins are knackered and it's a bit misshapen . Swollen upward and downward in the middle. It still has the egr installed and looking into it after removing the inter-cooler pipe I found it to be very clean 👍🏻 Bonus is all the bolts came out without a mishap and they are all back in with a dab of anti seize. I'll keep an eye on the pipework and look into the provent catch can. I think I'll look into a better condition inter-cooler though. Thanks again for the advice. |
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28th Mar 2022 8:25pm |
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| lightning Member Since: 23 Apr 2009 Location: High Peak, Derbyshire Posts: 3103
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l may fit one of those to my TD5 as a fair bit of oil gets into the inlet hoses.
What's bizarre on that picture above, is the owner has installed comprehensive sound insulation on the underside of the bonnet, but they've removed the acoustic cover from the engine which would generally make it noisier and negate the benefits of the under bonnet sound insulation they've fitted. |
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31st Mar 2022 8:14am |
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| geobloke Member Since: 06 Nov 2012 Location: Nottinghamshire Posts: 4410
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Ha  Well the owner (me) had removed it to do a job, the photo was taken without it to show the routing of the pipes and hoses is all. 
To be honest the under bonnet sound kit is worth exactly diddly squat... It was an impulse purchase and following it up with extra padding is just not a priority. I suspect you'd get better proofing by fitting seals along the edge of the bonnet. Anyway... |
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5th Apr 2022 1:31pm |
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| lightning Member Since: 23 Apr 2009 Location: High Peak, Derbyshire Posts: 3103
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Yes l didn't notice any difference from fitting under bonnet sound insulation to my TD5
However, fitting a D-seal along the rear lip of the bonnet (between the bonnet and bulkhead) made a measurable difference to noise levels in the cabin, particularly if the vent flaps are open. lt's much easier to fit if you remove the bonnet, which is an easy task, after all the thieves can do it in about twenty seconds. |
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8th Apr 2022 6:12pm |
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| geobloke Member Since: 06 Nov 2012 Location: Nottinghamshire Posts: 4410
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Which/what D-seal did you use? I am intrigued to see how much it does effect the sound transmission in to the cab. I have often thought about adding some dynamat to the inside of the vent flaps might help as well. |
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8th Apr 2022 6:23pm |
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| Screbble Member Since: 26 Apr 2015 Location: Lancashire Posts: 2199 
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Another
 for the adhesive D seal along all edges of the bonnet. Got mine off the bay of E.
Definite (yes definite) reduction in noise both outside and inside the cab
I also have the ‘marmite’ noisekiller ‘lead’ blanket on top of the engine. Click image to enlarge Click image to enlarge Click image to enlarge |
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8th Apr 2022 7:35pm |
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| 4RF RDS Member Since: 19 Jul 2015 Location: Ottawa Posts: 970  
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sealing the bonnet edges and insulating it reduces noise about 4-5 DB 2010 Range Rover MkIII Autobiography Super Charged (Idris)
2003 Range Rover Mk III (Desmond FitzWilliam) 2000 Defender 110 CSW TD5 (CTX) 1992 Range Rover Classic (Lizzy) 1972 Series III 300 Tdi (Stanwood) 1967 MGB GT Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats. H. L. Mencken (1880 - 1956) |
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8th Apr 2022 8:46pm |
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