LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 1986 >> MR2 Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.6L 4-CYL DOHC - VIN [A] >> Removal & Installation >> Timing Belt & Sprockets >> Inspection

Timing Belt & Sprockets: Inspection

  1. Check belt teeth for cracks or damage. If tooth damage is found, ensure camshafts are not locked. If wear or cracks on flat belt face are found, check for nicks on one side of idler pulley lock.
  2. If wear or damage to only one side of belt is found, check belt guide and alignment of each pulley and sprocket. If noticeable wear is found on belt teeth, check timing cover gasket for damage and proper installation.
  3. Ensure there is no foreign material on sprocket teeth. Check timing belt idler pulley for smooth rotation. Replace if roughness or noise is found.


DO NOT  bend, twist or turn belt inside out or allow belt to contact any type of liquid. Check all sprockets for teeth wear or damage. Check belt teeth for wear, cracks, nicks or damage. Check tensioner spring. Free length is 1.713" (43.5 mm). Replace all components found to be defective.