Additional Maintenance - B6 To B20 Biodiesel - Jeep Grand Cherokee 2018 Manual

Mileage or time passed (whichever comes first)
Replace fuel filters and drain water from the fuel filter as-
sembly.
Replace engine air filter.
Replace the air conditioning filter.
Flush and replace the engine coolant at 10 years or
150,000 miles (240,000 km) whichever comes first.
Replace accessory drive belt(s).
Change transfer case fluid.
WARNING!
• You can be badly injured working on or around
a motor vehicle. Do only service work for
which you have the knowledge and the right
equipment. If you have any doubt about your
ability to perform a service job, take your
vehicle to a competent mechanic.
• Failure to properly inspect and maintain
your vehicle could result in a component
malfunction and effect vehicle handling
and performance. This could cause an
accident.
34
Or Years: 1 2 3
Or Kilometers:
Fuel filter replacement intervals should be every second oil change and must not exceed
X
X
Additional Maintenance — B6 To
B20 Biodiesel
NOTE:
• Under no circumstances should oil change
intervals exceed 8,000 miles (12 875 km) or
six months, whichever comes first when us-
ing Biodiesel blends greater than 5% (B5).
4 5 6 7 8 9
20,000 miles (32 000 km) if using diesel fuel up to B5.
X X
X X X
• The owner is required to monitor mileage for
B6-B20 biodiesel, the automatic oil change
indicator system does not reflect the use of
biofuels.
• Fuel filter change interval is maintained at
every second oil change. This is especially
important with biodiesel usage.
10 11 12 13 14
X
X X X
X
X
X
15
X
X