Originally Posted by CharleyL
Do oil filters,air filters or any kind of filter have a shelf life?
Freightliner recommends a two year change out on air filters due to the possibility of the paper inside the filter deteriorating. The following is an excerpt from the RV chassis maintenance manual:
IMPORTANT: When first purchased, if the Recreational
Vehicle is older than the current model
year, replace the air filter.
Due to the variety of possible driving conditions
(dirt roads, paved roads, etc.), it is critical to
check the air restriction indicator, if so equipped.
If the vehicle is not equipped with an air restriction
indicator, inspect all components of the air
intake system and air filter every 12 months.
Replace the air filter every 24 months
, or when
filter restriction reaches 25 inH20 (if equipped
with an air restriction indicator). More frequent
inspections and/or filter replacement may be
needed if your vehicle is being operated in a
dusty environment, to avoid damaging the