Transmission Oil Leaks from Left Side Half Shaft Area on Mercury Mariner

Submitted by Andy Y · May 29, 2025
Published by RepairPal

Problem overview

If the transmission oil leaks out of left side half shaft area, it may be from a worn axle shaft seal. The seal can be damaged by a poor surface finish on the axle shaft. The axle shaft and seal should be replaced to correct the problem.

34 people reported this problem
22 comments
Schedule Repair

Mercury Mariner vehicles with this problem

Average mileage: 55,630 miles
(11,000 - 98,000)

Search for another problem

RepairPal Car Genius

Ask our experts about your Mercury.

RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.

 Auto Repair Expert Auto Repair Expert

Call us at 877-913-1554

Available 9am – 6pm ET Monday through Friday

Call Our Experts