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Fluid and Filter Change Interval Calculator
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STEP 2 — Answer these questions about your vehicle.
Is the transmission equipped with an output retarder, or is it used in an application with a duty cycle greater than one (1) stop per mile? Yes
No
Does the transmission currently contain 100% TranSynd™ or TES 295-approved fluid (no mixture)?* Yes
No
What is the control module (sump) depth for this transmission? 2 inch (1.75in (44mm) approx.)
4 inch (3.5in (89mm) approx.)
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* Mixture is defined as the quantity of Non-TranSynd™ and TranSynd™/TES 295-approved fluid remaining in the transmission after a standard fluid change.

If the transmission contains such a mixture, it is not eligible for the 100% concentration extended change intervals, until the second consecutive fluid change using TranSynd™/TES 295-approved fluid.

Fluid exchange (purge) machines are not recommended or recognized due to variation and inconsistencies with ensuring removal of 100% of the used fluid.

TRANSYND, CASTROL, and the Castrol logo are registered trademarks of BP Lubricants Americas Inc., used under license.