Dust Covers And Caps
WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
To avoid the possibility of dust, dirt, moisture and other foreign debris being introduced to the engine during service, cover or cap all openings when hoses and tubes are removed.
Covers installed over openings will reduce the possibility of foreign materials entering the engine systems. Using the (special tool #10368, Set, Universal Protective Cap), select the appropriate cover needed for the procedure.