Start with the condition of the filter and the reason it came in. Explore the service, what it includes and the information we need to get started.
Get a removed filter evaluated and cleaned, with a clear decision about whether it belongs back in service.
Understand what is driving the warning or repeated regeneration before spending money on the wrong repair.
Plan the work around the filter: access, removal, hardware, reinstallation and the checks needed to finish the repair.
Work through the related components and faults that can make a DPF-only repair incomplete.
Make a replacement decision from the filter's condition, the applicable service guidance and the complete cost of the repair.
Arrange the transport around your repair schedule, with the right identification and a clear return plan.
Tell us whether the filter is on the vehicle, what the warning says and what has already been tried.
Have the vehicle details, fault codes or filter part number handy.