Oil Archives - UnderhoodService

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Update On Oil Pumps And Pans

Our experts say that the oil drain back system needs to be reviewed on older engines.

Active Management Of Oil Pressure

Things have changed with the introduction of multi-weight oils and changes in the design of the oil pump.

GF-6 Oil Specs Are Here

Should you start stockpiling GF-5 oil for older vehicles? We have the answer for you here.