940 L4-2320cc 2.3L DOHC VIN 89 B234F FI (1991)
Slacken belt tensioner
Slacken locknut.
Remove balance shaft belt
Slide belt off drive pulleys and tensioner.
Work belt out under crankshaft pulley assembly. Check tensioner bearing and inspect for oil leakage from shaft seals.
Check balance shaft and crankshaft markings
Check that balance shaft markings coincide with markings on transmission mounting plate.
Check that crankshaft marking is opposite TDC marking on cylinder block.
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Installation Of Balance Shaft Belt
