The Engine Rebuilder Issue 06 - Autumn/Winter 2026 | Página 56

The EcoBoost is a small, compact, efficient and powerful engine. Not to mention characterful. It shouldn’ t be solely remembered for its potentially problematic wet belt
Ford has built the EcoBoost in vast quantities and has stated that issues occur in less than 0.01 % of its wet belt motors globally
the new one with coolant before fitting it. Despite the relatively new wet belt technology, the replacement of the timing belt and pump is uncomplicated for workshops used to such tasks on more conventional engines. The slightly irregular part of the process is the sealant used for the timing belt cover and sump. The specific sealant required to ensure there is no leakage when the engine is reassembled and refilled with oil should be sourced through a Ford dealer. Also, it only has a 10-minute window before it starts to become hard and unmanageable.
Regal Autosport dyno tests each car after its decoke process to establish the benefit of the valve and intake clean
How long is the fix likely to last?
The original manufacturer of the timing belts, Dayco, offers an aftermarket replacement. However, there are no official improvements made to this item; Dayco only says that it is‘ similar to its OE counterpart’. As a result, diligent checks should be made frequently even after a new belt is fitted so that any remnants of wear don’ t build up in the oil system.
Gates, an automotive parts supplier who are specialists in power transmission and fluid power products, sell a replacement part too. It promises that its belt provides‘ improved wear and chemicals resistance, belt back
56 The Engine Rebuilder Issue 06