Thank you all. Will I have to redrain the oil to get the air manifold off again? As I had refilled the freeland with oil?

Dear Littelwill, Thank you for your advice and quick response. I will try this now. If I cant find it would you be able to advice what else I should take off the Engine?

Dear members, P lease help whilst servicing my freelander 1 td4 2006, when taking off the air manifold I dropped a orange rubber washer with the metal ring into one of the air vents which I believe may be the engine / inlet manifold port? I could see it but I had no correct tool so as I...