Not a big issue - bigger issue is to have your EGR closed and disabled.
(Just don't mention that on the Caravanning forum)
I realise this may have been done before, but has any one instaledl oil catch cans to late model Discovery 4 ? If so, any recommendation on a suitable oil catch can. Obviously concerned with carbon build up in engine - which seems to affect many diesel 4WD's - particularly older models thou ....
Not a big issue - bigger issue is to have your EGR closed and disabled.
(Just don't mention that on the Caravanning forum)
I chatted with the bloke (Bruce, I think) from Davis, and he reckons the breather hoses are at the back of the engine, hence only easily accessible with the body off. He also reckons the space is very tight regardless, but said he would look into it when he does his next body-off with the D4.
Thanks Hugh Jars . I'll be interested in what Davis Performance thinks - as there is much chat in 4WD magazines where manifolds are getting carbon up - particularly on older model diesels - which obviously affects performance. Or are the magazines just pumping this issue up to support catch can manufactures/retailers ?
Do fully synthetic oils have less carbon ( sort ) build up ?
DISCOVERY IS TO BE DISOWNED
Midlife Crisis.Im going to get stuck into mine early and ENJOY it.
Snow White MY14 TDV6 D4
Alotta Fagina MY14 CAT 12M Motor Grader
2003 Stacer 525 Sea Master Sport
I made the 1 millionth AULRO post
Firstly, "catch cans" are largely useless on TD engines, and therefore a waste of money.
Properly designed closed crankcase ventilation (CCV) filters however are another matter.
Whether it is worth fitting one is another matter, and largely depends on how long you plan to keep your vehicle.
Basically when emissions legislation mandated that heavy diesels could no longer use open crankcase vent systems they all needed CCV filters otherwise inter/after coolers would clog and turbochargers would die a rapid death.
This is largely due to soot deposits in the turbo(s) (from sooty oil) rather than any other material in the oil.
I have been commissioned to do a comparative test of common CCV and catch can systems on the market - I will post the results here once they have been released.
If you're only keeping it 4-5 years don't do anything.. no point...
I would also only service it at the factory services if that's your intention..
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