A: To remove the coolant reservoir, drain the cooling system and disconnect the coolant reservoir return hose and air bleed hose. Plug the hoses to prevent leakage. Remove the coolant reservoir mounting clip and disconnect the Low Coolant Level sensor connector. Lift the coolant reservoir out of the engine compartment. Clean the reservoir with soapy water and a brush to remove deposits and inspect for cracks. Replace if cracked. To install, follow the reverse steps.