Ford Mustang S550 5.0 Coyote V8 Rear Main Seal Leak
Ford
Mustang
2015
5.0 Coyote V8
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟡 Monitor Closely
The rear main seal on S550 Mustang 5.0 can develop leaks at high mileage, particularly on track-used examples. An oily residue on the bellhousing confirms the fault. Rear main seal replacement requires gearbox removal and costs £400-800.
Repair / Solution
No confirmed fixes yet. Share yours below.
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Ford Mustang 2015 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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