car vibrates & revs weird since the crank shaft sensor & timing belt changed on 2004 Hyundai Santa Fe

since my crank shaft and timing belt have been changed, the car vibrates and the rev is off. everything seems to be lined up correctly. Please help

Asked by for the 2004 Hyundai Santa Fe
Balance shaft not in time!!! Has to be set in a certain position then aligned to be in time with engine. May require special tools.