Oil Leaks Archives - UnderhoodService
Ford 3.5L EcoBoost Turbocharger Oil Leaks

Ford has revised the service information for the inspection and pinpoint tests of the turbocharger and oil lines.

How to Pinpoint an Oil Leak Source (VIDEO)

The key is to follow the trail to the farthest forward and highest up point that you can find. Sponsored by Bar’s Leaks.

VIDEO: Can Synthetic Oil Cause An Old Engine To Leak?

Synthetic and conventional base stocks are the same in how they interact with gasket and seal materials. This video covers the source of the myth, and why any engine can benefit from a synthetic or oil. Sponsored by Auto Value and Bumper to Bumper.

VIDEO: Oil Leaks On Select Nissan V8 Engines

Andrew Markel discusses a TSB from Nissan in which an oil leak may appear behind the alternator on certain models with V8 engines. Sponsored by Nissan.

VIDEO: Common Places For Oil Leaks

Andrew Markel discusses common areas where oil may leak, and chemical solutions for stopping them. Sponsored by Bar’s Leaks.

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VIDEO: Oil Filter Leak? Think Again

If a customer comes back with an oil leak after service, you need to figure out what you missed – and fast! Find out some simple tips on oil filter repairs that will have you taking a second look at the adapter and even saving you some time later! Sponsored by MAHLE.

VIDEO: Why Checking The PCV System is Critical to Curing Gasket Leaks

Andrew Markel explains how a gasket that comes in contact with crankcase vapors can cause an oil leak, and how you can test pressure and vacuum with the right tools. Sponsored by MAHLE.

Bar’s Leaks Offers Concentrated Rear Main Seal Repair

Typically when a vehicle has an oil-soaked starter, the problem is a slow oil leak in the engine’s rear main seal. Unfortunately, this is a common cumulative effect of heat, age and mileage in older cars and trucks.