940 SE L4-2320cc 2.3L SOHC Turbo VIN 87 B230FT (1991)
Tension Timing Belt:
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Install nut and washer for belt tensioner finger tight.
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Pull timing belt to depress belt tensioner and remove locking drill.
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Tensioner spring will now tension timing belt.
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Tighten tensioner nut.
Install:
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upper timing belt cover.
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pulley.
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drive belts loosely.
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fan shroud.
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clamp for preheating hose.
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cooling fan.
Tension drive belts
With correct tension, it should be possible to depress belt 510 mm (0.2-0.4 in) by thumb pressure.
Connect battery ground cable
Run engine warm and check/adjust:
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ignition timing
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CO
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idle speed
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for leakages
Switch off engine.