What causes a GMC Sierra diesel to leak coolant directly into the engine oil and what is the emergency field fix to get it off the interstate?
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What causes a GMC Sierra diesel to leak coolant directly into the engine oil and what is the emergency field fix to get it off the interstate?
2 real searches · 1 real-search pass
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GMC Sierra Duramax coolant in engine oil causes oil cooler head gasket service bulletin Google ↗
Duramax coolant in crankcase oil cooler failure diagnosis engine-specific Google ↗
- July 2025, Volume 27, No. 13 · gm-techlink.com
- temp.xml · static.nhtsa.gov
- Coolant in Engine Oil — 2017 GMC Sierra 2500 HD SLE, 2D Pickup, 6.0L Eng VIN G, RWD, Gas/Ethanol Service Manual ~ LEMON Manuals · lemon-manuals.la
- TECHNICAL SERVICE BULLETIN 89-1 · autocare.org
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