Losing oil

[Ian21401]

Originally Posted by Dirty Rooster

I'd just like to say, briefly (as the forum timed out my longer reply) that on my 1991 Turbo 940 engine the only non-breather-box part I had to remove (to replace the box with a new one) was the electrical connector directly above (temp sensor?).
13mm socket with 2" extension.
New box. New green O-ring.
Strangely not the palaver illustrated in the numerous guides.

Sorry, I don’t understand. Does the turbo engine not have a flame trap or vacuum pipe etc?

[Laird Scooby]

Originally Posted by Ian21401

Sorry, I don’t understand. Does the turbo engine not have a flame trap or vacuum pipe etc?

Yes, it does but no gauze (metal or plastic) in the flame trap that Volvo delightfully term a "nipple". They also call the hollow bolt that goes through the oil cooler to hold it on and mount the oil filter on a nipple as well though..............

[Dirty Rooster]

Originally Posted by Ian21401

Sorry, I don’t understand. Does the turbo engine not have a flame trap or vacuum pipe etc?

I considered the "flame trap" (Y-piece without flame trap) and short plastic tube part of the breather-box assembly, and of course needs to be pulled off.
Just saying the air inlet, IAC, etc etc were not in the way of the job at all.

[Dirty Rooster]

Well I can certainly recommend changing the breather box, this engine is no longer desperately trying to squeeze oil out of every orifice ... which is nice.
I changed the rocker cover gasket ('cos I had one in the gasket pack from when I did the head gasket), changed the oil with standard semi-synth QX 10W40, oil filter and scrubbed/blasted all the black oil gunk off the bottom of the engine so I can detect the next leak .
Now Scooby is suggesting a better class of 10W40, and the Garage guys are into Comma at the moment, so next change will probably be less random (cheap).
I should still check the recirc tubes are clear, not backpressuring into the crankcase on liftoff, don't know. Recirc valve itself was excellent last time I looked.