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Subaru Legacy Mk4 3.0R H6 Timing Chain Service — Subaru Legacy 2003 | MyCarFault
⚪ UNSOLVED No confirmed fix yet · Be the first to help

Subaru Legacy Mk4 3.0R H6 Timing Chain Service

Subaru Legacy 2003 EZ30D 3.0 H6
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⚡ Quick Summary
Severity Level
Low
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟢 Low Priority

The EZ30 H6 in Legacy 3.0R uses a timing chain that requires oil changes every 5,000 miles. The H6 is generally very durable. Chain replacement rarely needed before 300,000 km with correct maintenance.

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 Subaru Legacy 2003 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.

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