Prizm L4-1600cc 1.6L DOHC VIN 6 (1990)
Aligning Camshaft Gear Hole And Exhaust Camshaft Cap Mark
17. Timing belt guide, then loosen the idler pulley bolt, move the idler pulley out of the way and temporarily tighten it.
18. Timing belt.
Important
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If the timing belt will be reinstalled, draw a direction arrow on the belt in the direction of engine revolution and place matchmarks on the
pulleys and belt.
19. Idler pulley bolt, pulley, and return spring.
20. Crankshaft timing gear. Refer to the Camshaft.
21. Camshaft timing gear. Refer to the Camshaft.
Inspect
1. Timing belt for the following conditions:
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Premature parting.
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Cracked or damaged belt teeth.
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Noticeable wear or cracks on the belt face.
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Wear or damage to one side of the belt.
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The above conditions may be caused by improper installation, a locked camshaft, nicks on one side of the idler pulley lock, improper guide
and/or pulley alignment, or foreign material on the pulley teeth. Replace components as required to correct the condition.
2. Idler pulley for freedom of rotation. If any roughness is felt, replace the idler pulley.
