One problem related to axle shaft seal has been reported for the 2001 Mazda 626. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Mazda 626 based on all problems reported for the 2001 626.
Eratic shifting in Mazda 626 automatic transmission. Axle seal broke. Dealership repaired the part. Factory transmission replaced after 30,000 miles. The axle seal was replaced after 33,000 miles.