Me and my girlfreind are driving to her house tonight when her 87 740 starts making a weird ticking sound. As we pull up to her driveway, steam or smoke starts to rise up from under the hood. I notice some fluid(not sure what it was) dripping and I smell a burnt rubber smell. I think the smell was from the hot fluid dripping onto the belts. I didn't get a chance to look at the water temp gauge so I am not sure if it was overheating or not. Anyway, could the loud ticking be caused by a broken waterpump?