The invention relates to a conduit system comprising a first conduit (2) having a first engagement portion (3), and a second conduit (12) having a second engagement portion (13), wherein the first conduit (2) and the second conduit (12) are adapted to be connected to each other by means of the first and second engagement portions (3, 13). The first and second engagement portions (3, 13) comprises a first and second slide surface (4. 14), respectively. Said slide surfaces (4,14) extend radially outwards and has an inclination of 20 - 90° to a respective longitudinal axis (A) of the respective engagement portions. Said conduit system (1) further comprises spring means (20) arranged to urge one of the first and second slide surfaces (4, 14) towards the other one of said first and second slide surfaces (4, 14)., The present invention also relates to a vehicle being provided with such a conduit system and to a method of assembling a conduit system for a vehicle.