Ford Wet Belt Replacement

What is a Wet Belt?

A wet belt is a timing belt fully enclosed within the engine and immersed in oil, unlike a traditional dry timing belt, which sits outside the engine.

Both types regulate the timing of the crankshaft and camshaft(s), keeping your engine running in perfect sync.

The original concept behind wet belts was to; reduce friction and heat, provide smoother and quieter operation, improve fuel efficiency, enable more compact engine design and reduce emissions.

With proper maintenance, these benefits still apply. However, real-world use has shown that maintenance intervals need to be shorter than originally advised.

Why do wet belts need replacing?

Wet belts are made of a degradable material – as such, they need replacing on a scheduled basis as part of the general maintenance of your vehicle.

Outside of usual wear and tear, wet belts are prone to degradation and failure in sub-optimal conditions, such as exposure to contaminated oil. A failed wet belt can lead to costly repairs, and in many cases, a full engine rebuild or replacement.

As the belt deteriorates, it sheds debris into the oil system, potentially: blocking oil pumps or filters, reducing oil flow, causing oil starvation and leading to total engine failure.

Getting ahead of your wet belt replacement can make the difference between a simple maintenance job or a costly major repair.

When do wet belts need replacing?

When this style of timing belt was first released, the official recommendation was to replace every 10 years or 150,000 miles.

Ford now recommends replacing the wet belt every 6 years or 100,000 miles.

In practice, it’s often advised by experts to replace every 50,000 – 60,000 miles.

If you notice any adverse signs that indicate your wet belt might be wearing down or starting to fail before the recommended milestones, it’s best to get your wet belt checked out as soon as possible.