Valve Clearance Adjustment

Incorrect valve clearance will result in increased engine noise and lower engine output. Torque rocker shaft bracket nuts before checking and adjusting valve clearance. Check and adjust valve clearance every 15,000 miles on 1.6L (VIN 6) engine only. Valve clearance adjustment is not a scheduled maintenance procedure for the 1.6L (VIN 5) and 1.8L (VIN 8) engine.