Miscellaneous Check drive belt wear. 112 931 The drive belt is starting to become worn, but can be refitted. Checking for leaks 112 932 IMPORTANT! The belt is worn down to the cord. The drive belt must be renewed. If serious leakage occurs, contact your nearest workshop. 1. Start the engine. 2. Check for oil, coolant, fuel, air or exhaust leaks. 3. Tighten or renew leaking connections. Check the overflow holes which show whether the O-rings between the cylinder liners and crankcase are leaking. 4. Check whether the drain hole on the coolant pump is blocked. If there is leakage: Renew the seal in the pump or the entire coolant pump. OPM 300 en-GB 64 © Scania CV AB 2015, Sweden