To set the timing on a 1997 Oldsmobile Achieva, first ensure the engine is at operating temperature and then disconnect the timing connector, usually located near the distributor. Next, use a timing light to check the current timing mark against the specified timing in the service manual. Adjust the timing by loosening the distributor hold-down bolt and rotating the distributor until the correct timing is achieved, then retighten the bolt and reconnect the timing connector. Always double-check the timing after adjustments to ensure accuracy.
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