A vehicle safety warning has been issued by the Verification of Lubricant Specifications (VLS) and escalated to Trading Standards.
VLS received a complaint in June 2023, alleging that Mannol Central Hydraulic Fluid 8990 did not meet the Kinematic Viscosity (KV) -40°C limits stated in its performance claims against the VW specifications listed.
The product is a multifunctional one designed for use in selected power steering, transmission, suspension and other hydraulic systems.
Failure to comply with these specifications could impair performance at low temperatures and compromise vehicle safety, says VLS.
It procured a sample of the product within the UK and completed its own independent testing for kinematic viscosity (KV) -40°C, in which the product failed to meet the VW specification it claimed.
VLS did not receive a response to the complaint from the lubricant marketer regarding the issue, and the case was reported as non-compliant.
The case was subject to a six-month review with a new product sample sourced and tested as part of the process.
The new sample, a different batch from the original sample tested, was still out of specification.
Some claims had been removed from the technical specification. However, the claim against VW TL 52 146 had been retained, which VLS believes is non-compliant and could pose a serious safety risk in applications requiring this specification.
On this basis, details of the case have been escalated to VLS's Primary Authority partner, Bucks and Surrey Trading Standards, on a non-compliant basis against VW TL 52 146.
David Wright, VLS's company secretary, said: “We urge motor factors, mechanics and end users alike to avoid using this central hydraulic fluid, which could cause problems with vehicle operation, including power steering and suspension.
“Sufficient action must be taken to protect driver safety.”
VLS is an independent organisation that verifies lubricant specifications, with the aim of bringing transparency to the lubricant marketplace, and protect and educate end users.
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Gareth has more than 20 years’ experience as a journalist having started his career in local newspapers in the 1990s. Prior to joining Fleet News in 2008, he worked in the public sector as a media advisor and is currently news editor at Fleet News.
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