User Manual - Page 366

For 2022 JEEP WRANGLER 4XE JL.

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364 SERVICING AND MAINTENANCE
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.
Fuel Filter Assembly
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.
11. Install the new fuel filter cartridge onto the
cap.
12. Insert the cap and filter into the housing with
clockwise rotation, use a socket to tighten.
13. Push the ignition switch twice without your foot
on the brake to place vehicle in RUN position.
This will activate the in tank fuel pump for
approximately 30 seconds. Repeat this
process twice to prime the fuel system. Start
the engine using the Normal Starting
procedure. After engine start, verify the fuel
filter cap does not leak.
PRIMING IF THE ENGINE HAS RUN OUT
O
F FUEL DIESEL ENGINE
1. Add a substantial amount of fuel to the tank,
approximately 2 to 5 gal (8L to 19L).
2. Push ignition switch twice without your foot on
brake to put vehicle in RUN position. This will
activate the in tank fuel pump for approxi-
mately 30 seconds. Repeat this process twice
to prime the fuel system.
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.
WARNING!
Do not open the high pressure fuel system with
the engine running. Engine operation causes
high fuel pressure. High pressure fuel spray can
cause serious injury or death.
22_JL_OM_EN_USC_t.book Page 364
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