What did you make that tool from? I want to do this to my injectors too. EDIT: Nevermind, I made a good guess about that piece you had and got the material ordered. 😂
@@ultimatejay The orange silicone disk inside looses it's elasticity and shape. Then the o-ring that seals the cap and body of the injector gets flat and brittle, so it no longer seals properly. It can fail from either of those points. Usually it's orange silicone flap
