Jeep Gladiator 2021, Owner'S Manual

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400 SERVICING AND MAINTENANCE
1. Ensure engine is turned off.
2. Remove the fuel filter protective cover to
access the fuel filter assembly.
3. Place drain pan under the fuel filter
assembly.
4. Open the water drain valve, and let any
accumulated water and fuel drain.
5. Close the water drain valve.
Fuel Filter Assembly
6. Wipe clean the underside of the filter
housing to prevent contamination from
entering fuel system during service.
7. Remove the fuel filter cap and filter from the
housing using a socket. Rotate counter -
clockwise for removal.
8. Remove the used fuel filter cartridge from
the cap and dispose of according to your
local regulations.
9. Wipe clean the sealing surfaces of the cap
and housing.
10. Lubricate o-ring on the cap with clean
engine oil.

Do not prefill the fuel filter when installing a
new fuel filter. There is a possibility debris
could be introduced into the fuel filter
during this action. It is best to install the
filter dry and allow the in-tank lift pump to
prime the fuel system.
1 — Retainers
2 — Fuel Filter Protective Cover
CAUTION! (Continued)
1 — Water Drain Valve
1 — Fuel Filter Cap
2 — Socket Adapter
CAUTION!
Take care when handling the new fuel filter to
prevent contamination from entering the fuel
system.