240 L4-2.3L SOHC VIN 88 B230F (1986)
Readjust timing belt
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Rotate engine until at top dead center.
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Remove rubber plug on timing belt cover.
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Loosen belt tensioner nut approx 1 turn.
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Tensioner spring will not tension timing belt.
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Tighten tensioner nut.
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Install rubber plug.
After driving approx. 1000 km - 600 miles: Tension timing belt.