Tell me more about vacuum plumbing. The brake warning light has been coming on a bit and the power assistance is weak. How does bad vacuum plumbing effect oil?

I forgot to mention, there is now a whole lot of oil on the injector pump side of the motor. None near the turbo though. There also seems to be a spattering of oil over the back of the vehicle.

Yea I thought of that but one engine did it on Shell from out of town and the other on BP. I've put the best part of three tanks worth of diesel through it between the problems.

I'm new here, hope I'm in the right place. I've recently bought a 1991 Terrano with a TD27T. Overall, nice condition. Very tidy and tight, I'd believe the odo reading of 182k. Soon after buying it, replacing the alternator, having it backed into and plenty of other unlucky problems.. the engine ran ...