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Home >> Isuzu >> 1988 >> Trooper II Base, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 2.3L 4-CYL - VIN [L] & 2.6L 4-CYL - VIN [E] >> Removal & Installation >> Timing Belt & Sprockets >> Installation

Timing Belt & Sprockets: Installation

IMPORTANT: If distributor has been removed from cylinder head, install distributor with No. 4 cylinder at TDC of compression stroke.
  1. Pull tensioner fully toward water pump side and temporarily tighten retaining bolt. Ensure No. 4 cylinder is at TDC on compression stroke by rotating crankshaft until keyway aligns with mark on front crankshaft seal housing (12 o'clock). Rotate camshaft until timing mark on cam gear (arrow) aligns with mark on upper camshaft cover (notch). See Figure.
    NOTE: When timing marks are aligned as stated above, No. 4 piston is at TDC on compression stroke.
  2. Position timing belt over crankshaft sprocket, oil pump sprocket, camshaft sprocket and tensioner in that order. Ensure that belt is positioned in sequence given and without slack between sprockets. Loosen tension sprocket adjusting bolt to allow spring tension to tighten belt. Tighten adjusting bolt temporarily.
  3. Temporarily install crankshaft pulley bolt and rotate crankshaft 2 complete revolutions in opposite direction of engine rotation, (to remove slack from belt) until marks on crankshaft and front oil seal retainer are aligned again. See Figure. Loosen tensioner lock bolt, allowing tensioner spring to fully adjust tension. Tighten tensioner lock bolt.
  4. Install timing belt covers. To complete installation, reverse removal procedure.
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