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Still_Searchin_'s avatar
Still_Searchin_
Explorer
Aug 04, 2017

Heavier engine oil for pulling with Toyota Highlander?

We have a 2012 V6 Toyota Highlander with the tow pkg, rated to pull 5,000#. We pull a 3,200# Casita travel trailer (loaded). Manual calls for 0-20 full synthetic engine oil, but mentions heavier oi...
Tow Vehicles
GordonThree's avatar
GordonThree
Explorer
Aug 04, 2017
Send a sample of your existing oil out for analysis, indicate you use the motor for towing. If the lab report flags problems related to oil failure, then it's time to upgrade. Anything else is just guesswork?

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