Replace engine oil filter: Inspect disc brake pads and rotors for wear: Check brake hoses for deterioration for leaks: Replace timing belt: Replace air purifier filter: Inspect drive shaft boots for grease leaks and damage: Replace spark plugs, iridium-tipped type timing belt at 60,000 miles. This is my plan for my future timing bet replacement: Balance Shaft Belt $22. Time & materials to do the replacement will be the same or pretty close between shops but the labor rates make the biggest cost difference between dealerships and normal shops.Mitsubishi timing belt replacement intervals mitsubishi timing belt replacement intervals Check For Engine Damage