Tech Line Summary Article
July 2016
ATS 160715 Version 1
Engine Overheats
AFFECTED VEHICLES
2011−16 Odyssey, 2009−15 Pilot, and 2009−14 Ridgeline
If the engine is overheating and there’s engine oil mixed in the coolant reservoir, chances are the cylinder head may be cracked. A crack may form under the front and/or rear camshaft at the journals and is a rare occurrence.
You can see this crack from visual inspection. It causes engine oil to enter the cooling system and coolant to enter the engine lubrication system.
Replace the cylinder head if you find it’s cracked.
Sale
Valvoline Advanced Full Synthetic SAE 0W-20 Motor Oil 5 QT
- Advanced protection against the four main causes of engine breakdown: wear friction heat and deposits
- Delivers 40% stronger wear protection than industry standards to reduce friction and improve fuel economy
- Provides 15% better deposit defense vs. industry standards, keeping engines cleaner for smoother performance and longer-lasting protection
- Up to 2.5X better heat protection vs. industry standards to fight harmful sludge formation and thermal breakdown
- Engineered for excellent low-temperature flow, reducing metal-to-metal contact during cold starts — when most engine wear typically occurs
Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 5 Quart
- Improves Gas Mileage***
- Helps increase engine efficiency
- Protects for 15,000 miles – guaranteed*
- Contains additives to help fight sludge
- Suitable for Hybrid vehicles
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