Download 1997 Nissan Pathfinder SE Timing Belt Service Manual – Removal (Frontier, Pathfinder, QX4 & Xterra) 1. Disconnect negative battery cable. Remove the engine undercover. Drain coolant and remove the radiator. Remove engine cooling fan and water pump pulley. Remove accessory drive belts. Remove spark plugs. 2. Remove distributor protector. Remove A/C compressor drive belt idler bracket. Remove fresh air intake tube from rocker cover. Remove thermostat housing hose. 3. Rotate crankshaft to set No. 1 cylinder at TDC on compression stroke. See Fig. 1 . Remove crankshaft pulley bolt and remove crankshaft pulley. Remove front upper and lower timing belt covers. See Fig. 2 . 4. Align punch mark on left camshaft sprocket with punch mark on timing belt upper rear cover. Align punch mark on crankshaft sprocket with notch on oil pump housing. See Fig. 3 . Install crankshaft pulley bolt so that crankshaft can be rotated. 5. Loosen timing belt tensioner nut. See Fig. 4 . Turn tensioner, and remove timing belt. Inspection (Frontier, Pathfinder, QX4 & Xterra) Check timing belt for cracks and broken or worn teeth. Check belt tensioner for smooth turning.