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More details emerge of ACEAs sequencing revisions

Low-speed pre-ignition (LPSI) tests may be focus for next set of sequences.

As previously reported by OATS, the European Automobile Manufacturer's Association (ACEA) is revising its sequence list and with work now well underway, more information is emerging that may set expectations for lubricants producers.

The new set of revisions, likely to include additional test regimes to further improve engine efficiency.The sequences, will continue to set engine lube production standards for the majority of Europe's vehicle parc.

The sequences were last revised in 2016 and aims to complete the latest specs by the end of 2018, although producers such as Infineum believe this target may be ambitious.

The sequences comprise three classes of lubricants: gasoline & light duty engines; gasoline & light duty engines after treatment devices; and heavy-duty diesel engines. Now, with European legislators and automakers both focused on fuel and engine efficiency, along with improved emissions, the new specifications are likely to include even more rigorous testing.

While ACEA still remains tight-lipped about the fine details, it is evident that Toyota is providing significant input to help develop the 'Toyota Test', for turbocharger deposits, into an ACEA-compliant test in line with the European Engine Lubricant Quality Management System (EELQMS).

There is speculation about the introduction of a chain wear test, as well as a compliant sludge test and significant upgrades and sub-category additions in the heavy-duty specifications including introduction of a new F-category.

A number of replacement tests are also being considered such as TU3 and VG being replaced by Sequence IVB and VH respectively.

Tags: ACEA, Europe, Lubes tech, Lubricants

Published 3rd July, 2018

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