Souster Posted February 13, 2016 Share Posted February 13, 2016 Hi all I may have a slight air leak on the Diesel pipes on my 1995 defender. I've noticed the pipe from the tank to the lift pump is 10mm external diameter. Would the inside be 8mm or doesn't it matter? I've been advised to run a section of clear pipe from the filter to the FIP. I've measured the external diameter on said pipe which is 8mm, anybody know the internal diameter of this? As I think the pipe is push on. Lastly, how important is the seal for the pick up to the tank? Is it just to prevent Dirt ingress, or air? Thanks all Quote Link to comment Share on other sites More sharing options...
Ex Member Posted February 13, 2016 Share Posted February 13, 2016 It is 3/8" and 5/16" nylon tubing. Not hose. Quote Link to comment Share on other sites More sharing options...
Souster Posted February 13, 2016 Author Share Posted February 13, 2016 Thanks red90. I had searched but a lot of different opinions. .. Thanks alot Quote Link to comment Share on other sites More sharing options...
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