sealing Archives - UnderhoodService
Summer Time Top-Off Troubles

The next time you get a vehicle in for minor maintenance or the driver wants an inspection because they are taking a summer trip, take a look to see if they are topping off the engine oil or coolant. You might see dribbles of oil around the oil fill or coolant pooling at the top

Intake Manifold Sealing

As adjustments are made in the design, prototypes may be manufactured and used in Fit, Form and Function testing.

Accommodating Head Lift

While head lift occurs on all engines, the rate at which the head(s) lift is specific to engine architecture, operating conditions and the OE manufacturer’s performance/fuel economy requirements.

VIDEO: The Importance Of Valve Stem Seals

Doug Kaufman explains what it means when a valve stem seal is damaged. Sponsored by MAHLE.

VIDEO: Different Instructions For Different Sealants

Andrew Markel discusses the variety of sealants for vehicles, and how it is important to follow the directions on each, as they have different applications. Sponsored by Bar’s Leaks.

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VIDEO: Installing Spring-Type Hose Clamps

Andrew Markel discusses the installation and longevity of spring-type hose clamps, and how they keep a hose connection sealed up to 200,000 miles. Sponsored by Dayco.

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Diagnosing V8 Engine Leaks

You already know that there are plenty of BMWs with V8 engines on the road today, but you might be surprised that they can have issues with oil leaks. Inevitably, some of these will find their way to your shop in need of service, so here are some common items to be aware of when they arrive at your shop for repairs. In this article, I will focus on valve covers, the front upper timing chain covers and the alternator bracket gasket.

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VIDEO: How Do Plastic Carrier Gaskets Work?

Andrew Markel explains how plastic carrier gaskets work to keep a good seal as engine components expand and contract. Sponsored by MAHLE.

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Engine Gasket Guide: Are You Pairing The Gasket With The Correct Sealant And Surface?

There are endless combinations of engines, applications and gaskets on the market. But how do you match the gasket with the correct installation procedures? Here is a quick guide on how to match gaskets with the correct sealants and surface treatments.