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Hey tony, No after reading the feedback on how your Jag performed with the restrictor, I decided to leave it out I couldn't really see the point of it either and reasoned that if it was designed to be fitted on the air inlet side of the separator and not the crankcase side it may serve some purpose in directing most of the air/gases out to the catch can. But decided not to test any theories.

 

The original KIT from Jaguar DID include the modified dipstick tube. The original 'straight tube was to be discarded when the kit was installed.

bob gauff

 

Agreed.... I see a lot of the kits pop up on eBay, but none with the modified dipstick. I think it may be unobtanium.

The OEM kits without the dipstick seem pretty cheap when the come up for sale.

But again, not really a big deal. One can just rig up a simple catch bottle/can under the drain tube.

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There are a few of the complete JLM20709 kits with the modified dipsticks running around on eBay UK now.

I wonder though if a generic but purpose designed separator works better than the JLM20709 retrofit part from Jaguar though. Some report that the Jaguar JLM20709 separator plastic body itself tends to break and come apart, and it clearly isn't capable of being opened and having its separator element cleaned. Further, one has no visibility into how much oil it is pulling out. With catch cans or clear bodied separators, one can at least see if it is working and how much.

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My version of the catch can

 

Yep, was looking at those catch cans like yours.

BTW, is the one you used just an empty can, or is there some sort of 'baffle' in those to help the oil accumulate and drain? I've seen them on eBay but they never seem to have photos of the interior of the can.


I was looking at this one from Jegs model 52205, inexpensive at less than $50, small and one can see the oil accumulate:

JEGS Performance Products 52205, JEGS Air Oil Separator | JEGS Performance Products



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I will definitely invest in one. I'm in the process now of removing the throttle body from my XJR (not the easiest task) to clean all of the gunk out to keep the throttle from sticking. I'd rather light my hair on fire and put it out with a hammer then do this again anytime soon

 

That looks very similar to a $20 one for air compressors sold at Home Depot in the U.S.

 

Yep, many folks have adapted air compressor water separators to this purpose. In fact I looked at one at Lowe's Home Improvement last night. It was $25 without any fittings, and had no mounting holes/bracket, and it was built for pressure not vacuum so one would have to modify its drain valve and body to mount to the car.

And many of the reviews of those that converted the air compressor separators mentioned that the filter dissolved or turned mushy from the oil since it wasn't made for that, so they had to use something else. So with all that in mind, I think I'll get a separator specifically made for oil and vacuum that already is built to be mounted in the car, etc. for just a bit more $$

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