Vehicle engine tools help keep fleet vehicles running smoothly. Crankshaft tools hold balancers and timing chains while repairs are made. Camshaft tools set the right timing on the timing belt and ease installation and removal of parts for replacement. Belt tools ease replacement and ensure proper tensioning of automotive belts. Oil service tools assist with oil change activities. Diesel tools perform fuel service work on diesel engines. Engine cylinder and piston tools refinish cylinders and replace pistons. Valve spring tools check the tension of the valve spring. Oil pressure gauges measure the performance of engine oil when a vehicle is running. Vehicle engine hand tools fit into confined areas in the engine assembly for maintenance and repair activities. Vehicle gear tools remove and install gears in the driveshaft. Maintenance assist tools enable other tools to repair vehicles. Vehicle water pump tools assist with removing the water pump.