TIMING BELT REPLACEMENT - 1.6L - DOHC -1989 Geo Prizm
1.Ensure all timing marks are still aligned. See Fig. 1 . Install timing belt tensioner and spring. Move tensioner to the left and temporarily tighten bolt.
2.Install timing belt. If old timing belt is reused, ensure belt is installed in original rotating direction. Ensure marks on belt align with camshaft and crankshaft sprockets.
3.Loosen timing belt tensioner bolt and allow tension to be applied on timing belt. Rotate crankshaft CLOCKWISE 2 revolutions. DO NOT turn crankshaft counterclockwise. Ensure all timing marks are aligned. Tighten timing belt tensioner bolts to specification. See TORQUE SPECIFICATIONS .
4.Measure timing belt deflection at midway point between camshaft and crankshaft sprockets. See Fig. 2 . With 4.4 lbs. (1.9 kg) applied on timing belt, defection should be .20-.24" (5.1-6.9 mm). If belt deflection is not within specification, repeat previous step.
CAUTION:Ensure all timing marks are aligned once timing belt is adjusted.
5.Install timing belt guide with cupped side facing out. Install timing belt covers, starting with bottom cover. Install crankshaft pulley. Tighten center bolt to specification.
6.Install water pump pulley. Install engine mount. Install engine ground wire (if equipped) to right fender apron. Install valve cover with new gasket. Install spark plugs and spark plug secondary wires.
7.Install PCV valve and wiring harness on valve cover. Install A/C compressor mounting bracket (if removed). Install A/C compressor to bracket. Install accessory drive belts.
8.Install cruise control actuator (if equipped). Install windshield washer reservoir. To install remaining components, reverse removal procedure. Adjust accessory drive belts to proper tension.
Monday, September 1st, 2008 AT 8:36 PM