Volvo XC60 T6 Head Gasket Failure B6304 Engine
Volvo
XC60
2010
B6304T4 3.0 T6
⚡ Quick Summary
Severity Level
High
Safe to Drive?
🚫 Do NOT Drive
Safety Impact
Direct safety risk — affects safe operation of the vehicle
Urgency Level
🟠 Fix Soon
The B6304 inline-six in XC60 T6 can develop head gasket issues at high mileage, particularly if cooling system maintenance was neglected. White smoke and coolant consumption without external leak confirm the fault. Head gasket replacement costs £900-1,600.
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 Volvo XC60 2010 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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