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REMOVAL & INSTALLATION TIMING BELT Removal (200SX & 300ZX) 1. Disconnect negative battery cable. Release fuel pressure from system. Raise and support vehicle. Remove right wheel and engine side cover (if necessary). Drain cooling system. Remove cooling fan duct. Remove engine coolant reservoir. Remove actuator and remove radiator hoses. Do not allow coolant to contact drive belts. 2. Remove front upper and lower belt covers. See Fig. 1 . Remove drive belts and set No. 1 cylinder at TDC of compression stroke. Remove idler bracket of compressor drive belt and crankshaft pulley. Remove timing belt by removing timing belt tensioner and return spring Inspection (200SX & 300ZX) Visually inspect condition of timing belt. Inspect for cracks, wear, breaks, and oil/coolant saturation. Installation (200SX & 300ZX) 1. Ensure that piston No. 1 is at TDC of compression stroke. Remove valve covers and loosen all rocker shaft bolts. Do not bend timing belt. Install tensioner and return spring. 2. Turn tensioner clockwise and temporarily tighten lock nut. Install timing belt. Align White lines on timing belt with punch mark on camshaft pulleys and crankshaft pulley. Arrow on timing belt must be pointing toward front belt covers. 3. Using Allen wrench, slowly turn tensioner clockwise and counterclockwise 2 or 3 times. When camshafts and crankshaft marks are aligned, tighten tensioner lock nut. See Fig. 2 . Ensure that camshaft lobes are correctly positioned. Tighten rocker shaft bolts in 2 stages. 4. Refill and bleed air from cooling system. To complete installation, reverse removal procedures. Adjust drive belts to proper tension