Not just for wading IMO, also stops dust/dirt ingress. The crank shaft exists the timing case through a dust seal so it seems silly to leave a gaping hole open just underneath it. I leave them in all the time and take them out every now and again to check no leaks.

look at your current gasket, there's a tab that sticks out the side of your CH with holes punched in it which tell you the thickness. If no holes then replace with a no hole (thickest) gasket.

solution is simple and was stated above.. perhaps not the solution you want to hear? Unbolt the roof from the top of your side panel Unbolt the bottom of the side panel Remove the side panel. Remove the old seal. Do any tidy up your want to the rust Replace with a new genuine seal

Ok so my 200tdi head is dead and they are a bitch to get hold of here in australia. I've read in numerous places that the 300tdi head can be made to work on a 200tdi block but not heard from anyone who has actually done it. I want to know if it works well as a long term solution with no...