Volvo truck transmission filters for I-Shift and manual gearboxes
The transmission filter on a Volvo truck removes contaminants from the gearbox oil circuit, protecting the gear sets, bearings, and hydraulic components within the transmission from abrasive wear. On Volvo's I-Shift automated gearbox - the dominant transmission fitted to current FH and FM models - the hydraulic control system is particularly sensitive to fluid contamination. Regular filter replacement maintains the valve body and solenoid circuits that control automated gear selection.
Volvo's service schedule specifies transmission filter replacement at defined intervals alongside gearbox oil changes. Filter part numbers are specific to gearbox type and build year, so cross-reference by VIN or gearbox serial number where possible. Volvo has updated I-Shift specifications across the FH and FM production runs, and a part number that fits one build year may not be correct for another.
Frequently asked questions
How often should the transmission filter be changed on a Volvo I-Shift?
Volvo specifies a transmission filter change at each gearbox oil service, typically every 150,000 km or two years for standard applications. For vehicles in arduous operating conditions, Volvo may recommend a shorter interval. Check the I-Shift maintenance schedule for your specific chassis and gearbox variant.
What are the symptoms of a blocked transmission filter on a Volvo truck?
Symptoms include delayed or hesitant gear selection from the I-Shift, fault codes relating to gearbox hydraulic pressure, and in more severe cases, the system reverting to manual mode or displaying a gearbox warning light. Check oil level and condition before diagnosing the filter as the cause.
Can I replace the Volvo I-Shift transmission filter without a full gearbox oil change?
Volvo recommends replacing the filter in conjunction with the gearbox oil, as the old oil will contain the particulates the filter has captured over its service life. Always change the oil and filter together.
How do I identify the correct transmission filter for my Volvo truck?
Use the gearbox serial number stamped on the gearbox casing, or the vehicle VIN, to cross-reference the correct filter. If you need help identifying the part, call us and we can confirm the correct filter before you order.
