Crankcase breather assembly question

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MGT

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I'm hoping this'll be a simple question for those in the know: should the right hand/valve side of the crankcase breather assembly be bone dry or would you expect some oil film at least?

I'm now working on my niece's freelander 1 (td4) and going through the usual stages of isolating the fault. I think it is injector related but I decided to begin with the crankcase breather. When I looked I noticed the valve was a little stuck, and then that the chamber was dry as a bone. If it's normal I can move on to the next thing.
 
MGT said:
I'm hoping this'll be a simple question for those in the know: should the right hand/valve side of the crankcase breather assembly be bone dry or would you expect some oil film at least?

I'm now working on my niece's freelander 1 (td4) and going through the usual stages of isolating the fault. I think it is injector related but I decided to begin with the crankcase breather. When I looked I noticed the valve was a little stuck, and then that the chamber was dry as a bone. If it's normal I can move on to the next thing.
Click to expand...
It should have a little oil film, do you know if the PCV filter is the original one with the filter or the BMW one no filter

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So what symptom are you chasing down on the TD4
 
It's the original one with the sponge filter. The filter is properly soaked with oil and not hardened (I changed one on my freelander that was like a lump of coke) but the other chamber is bone dry.

As for the symptoms, rough idle, plenty of smoke (black and greyish) and some surging. I've already unplugged the MAF and it's made no difference. I'll do a leak back test next. There's quite a bit of surface gunk on the booster hoses but all the issues are there at idle so I don't think it's that. Not sure if a stuck open egr valve would cause the symptoms, but i can easily check it.

I suspect she's been driving it pretty cautiously on lot of short trips, and putting supermarket diesel in it with no additives. So that's probably crapped up one or more injector. I did tell her to do a periodic Italian tune but she won't have done it.
 
MGT said:
It's the original one with the sponge filter. The filter is properly soaked with oil and not hardened (I changed one on my freelander that was like a lump of coke) but the other chamber is bone dry.

As for the symptoms, rough idle, plenty of smoke (black and greyish) and some surging. I've already unplugged the MAF and it's made no difference. I'll do a leak back test next. There's quite a bit of surface gunk on the booster hoses but all the issues are there at idle so I don't think it's that. Not sure if a stuck open egr valve would cause the symptoms, but i can easily check it.

I suspect she's been driving it pretty cautiously on lot of short trips, and putting supermarket diesel in it with no additives. So that's probably crapped up one or more injector. I did tell her to do a periodic Italian tune but she won't have done it.
Click to expand...
Does it have a decent fuel filter preferable Pierburg, and good filter, black smoke usually indicates boost hose leak somewhere, is there a synergy fitted to the car?

Try running some of this through to clear the injectors but i doubt it's an injector
 
Just realised you have asked about the crankcase filter before in this thread below.

www.landyzone.co.uk

replacement crankcase breather

This is a bit of observation and a bit of a query, since I have changed the part anyway. Couple of years ago I replaced the old sponge filter crankcase breather with the recommended modified/vortex design. I decided to go back to the sponge type of filter while trying to hunt down some problems...
www.landyzone.co.uk www.landyzone.co.uk
 
Thanks Arctic. I asked this time because the chamber was dry and I couldn't remember from previous times I have the changed the assembly whether the valve chamber was dry. I should have been more specific in querying whether the dryness was an indication that the valve had been stuck. What I'm going to do tomorrow is take the one on mine apart and compare the two.
 
Arctic2 said:
Just realised you have asked about the crankcase filter before in this thread below.

www.landyzone.co.uk

replacement crankcase breather

This is a bit of observation and a bit of a query, since I have changed the part anyway. Couple of years ago I replaced the old sponge filter crankcase breather with the recommended modified/vortex design. I decided to go back to the sponge type of filter while trying to hunt down some problems...
www.landyzone.co.uk www.landyzone.co.uk
Click to expand...
Just to say thanks again for the input. Swapping the crankcase breather assembly solved it. I'm left with white smoke on initial cold start but that clears as soon as I drive off and doesn't return at idle when the engine is warm. Hopefully next time it happens on one of my Freelanders I will remember this thread.
 
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