DIESEL PARTICULATE FILTERS (DPF) - Delphi

Warranty Policy
1.0 Introduction
This note outlines the warranty policy for all Delphi DPF applications.
1.1 Construction
The Delphi DPF is a welded stainless steel canister constructed in bespoke jigs per each
vehicle application. Support brackets, sensor mounts and sensor pipework are all replicated to OE
specification. The Substrate or filter media is constructed of Silicon Carbide for durability. The DPF
may be supplied with a diesel oxidation catalyst integral to the construction, but application specific.
2.0 Warranty
The Delphi DPF is warrantied for mechanical concerns providing the vehicle manufacturers
guide lines have been followed and all service protocols for engine oil and regen additive have
been acknowledged. It is imperative that the appropriate fitting kit is utilised in the replacement
process to minimise vibration and leakage opportunities. The unit is guaranteed to be free from
leaks at welded seems, sensor pipe welds, and sensor bosses.
2.1 Conditions where warranty will be rejected.
Blocked substrate is not a warrantable condition; this is attributable to malfunctions of
components outside of the DPF Damage to the external surface of the pipework or canister
Stripped threads on pipe or sensor bosses. Broken mountings as a result of engine or exhaust
system mounting defects. Accident damage through impact or grounding.
Drive cycle related issues necessitating re-occurring forced regen activity.
Absence of diagnostic data relevant to the potential failure mode.
Any DPF subjected to external cleaning aids which are not part of the VM control system.
2.2 Warranty Period
The Delphi DPF is warrantied for a period of 12months or 24,000 miles /40,000Km from date
into service
3.0 Warranty Process
In all cases the Delphi National Distributor must be contacted before a replacement is made
under the warranty process. The National distributor will advise the appropriate course of action
to be taken. In every case an authorisation number must be issued before the unit is replaced.
This unique reference number must be quoted on the warranty claim form.
It will be necessary for the service centre to provide diagnostic data before and after
regeneration for a warranty claim to be accepted.
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