940 L4-2320cc 2.3L DOHC VIN 89 B234F FI (1991)
Check operation
Run engine until thermostat opens.
Stop engine.
CAUTION: Remember that transmission covers (1) and (2) have not been replaced at this point.
...............................................................................................................................................................................................................................................
Check/Adjust Timing Belt Tension After Thermostat Has Opened
Use gauge 998 8500.
Rotate crankshaft to bring engine to TDC position in No.1 cylinder.
Position gauge between exhaust camshaft pulley and idler.
Read gauge.
Belt tension must be within the 5.5 ± 0.2 unit range.
NOTE: If belt tension is correct, no adjustment necessary, skip to next section. If reading is outside above range, continue with the following steps.
Slacken tensioner locknut
Remove protective rubber cap over locknut.
