let me start by saying hi to everyone on the forum,im sure someone will have the answer to this one, ive a freelander td4 freestyle 56 plate,i recently bought a oil drain pump, the problem is the tube wont reach down in the sump fully and dosent drain all the oil out,ive tried connectig the tube to the smallest diameter but it seems to be hitting something could there be a filter on the bottom off the dipstick tube? any advice please,the pump ia an, am-tec 7 ltr it emptys the daughters corsa in 2 minits,thanks.