How do you adjust timing 1993 Volvo 240?

To adjust the timing on a 1993 Volvo 240, first, ensure the engine is at operating temperature and then turn off the ignition. Locate the timing marks on the crankshaft pulley and the timing cover, and use a timing light to check the current timing. If adjustment is needed, loosen the distributor hold-down bolt and rotate the distributor slightly to advance or retard the timing as necessary. Once adjusted, re-tighten the bolt and recheck the timing to ensure it's within the specified range.