Elf Elfmatic CVT
Fluid for belt- and chain-type continuously variable transmissions, holding official Renault CVT-CK, CVT-DK and CVT-FK approvals.
| Classification | |
|---|---|
| Product line | Elf Elfmatic 6 oils |
| Intended use | gear and transmission |
| Approvals | |
| Manufacturer approvals |
|
| Typical properties | |
| Viscosity at 40 °C | 26 mm²/s |
| Viscosity at 100 °C | 6.2 mm²/s |
| Viscosity index | 204 |
| Pour point | -48 °C |
| Flash point | 172 °C |
| Density | 847 kg/m³ |
| Pack sizes | 1 L, 5 L |
Description
Elf Elfmatic CVT is a fluid from the Elfmatic line for continuously variable transmissions with a belt or chain drive. Its friction level is matched to belt-to-pulley contact, with attention to anti-shudder durability during engagement.
The fluid holds official Renault CVT-CK, Renault CVT-DK and Renault CVT-FK approvals for the brand's CVT gearboxes.
It keeps its viscosity under shear and stays fluid in the cold. Typical data-sheet figures: 6.2 mm²/s at 100 °C and 26 mm²/s at 40 °C, viscosity index 204, pour point -48 °C. Available in 1 and 5 litre packs.
According to the catalogue, it may be mixed with Nissan CVTF NS-2; no other fluid should be used in Renault CVTs.
Application
Belt- and chain-type continuously variable transmissions, including JATCO steel-belt units in Renault cars, as well as CVTs in Asian, European and North American vehicles.
Worth knowing
The approval in the data sheet covers only three Renault codes: CVT-CK, CVT-DK and CVT-FK. CVTs from Japanese and Korean makes are treated differently: for them the fluid is “highly recommended”, which is the fluid maker’s own recommendation with no carmaker sign-off behind it. Nissan CVTF NS-2 on the product page is not an approval either; it is named as a fluid this one can be mixed with. So for a CVT whose documentation names a specific carmaker fluid, the only thing behind the recommendation is the fluid maker’s word. How to tell an approval from a recommendation and where to verify one is explained in the article on “approved”, “meets” and “recommended”.
The line has one more Nissan code, in Elfmatic J6, but that is Nissan Matic J, with no entry in common with this fluid; at 100 °C J6 is the thicker of the two: 7.4 mm²/s against 6.2 mm²/s. Apart from the three Renault codes, no Elfmatic fluid has codes for CVTs.
Data current as of Check the label and the current product data sheet before you buy.
Sources: official sources of the data on this oil
- Technical data sheet (TDS) total-cdn-lmdb.afineo.io
- Technical data sheet (TDS) total-cdn-lmdb.afineo.io
- Product page on the manufacturer’s site lubricants.catalog.elf.com
- Product page on the manufacturer’s site lubricants.catalog.elf.com
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