Removal; Installation - Isuzu 4JA1 Workshop Manual

6C – 12 FUEL SYSTEM

Removal

CAUTION: When repair to the fuel system has been
completed, start engine and check the fuel system for
loose connection or leakage. For the fuel system
diagnosis, see Section "Driveability and Emission".
1. Remove fuel tank assembly (9). Refer to "Fuel Tank
Removal" in this section.
2. Disconnect the quick connector (6) of the fuel tube from fuel
gauge unit.
3. Disconnect the quick connector (10) of the evapo tube from
fuel gauge unit.
4. Remove the retainer ring (7) from the fuel tank with the
removal tool 5-8840-2602-0.
5. Remove slowly the fuel gauge unit (4) from the fuel tank as
no bend float arm.
NOTE: Cover opening for the fuel gauge unit on fuel tank to
prevent any dust entering.
6. Discard fuel gauge unit seal (8) because it cannot be
reusable.
140R100035

Installation

1. Clean the seal surface of the fuel tank and the fuel gauge
unit.
NOTE: If there is dust on the seal surface, it becomes cause of
fuel leak.
2. Install the new fuel gauge unit seal (8) to opening of the fuel
tank as along the groove.
3. Install slowly the fuel gauge unit (4) into the fuel tank as no
bend float arm.
4. Set flange of the fuel gauge unit on fuel gauge unit seal as
mating convexity of the fuel gauge unit and reentrant of the
fuel tank.
5. Lock slowly the retainer ring (7) to the fuel tank with the
remover tool 5-8840-2602-0.
6. Connect the quick connector (10) of the evapo tube from
fuel gauge unit.
7. Connect the quick connector (6) of the fuel tube to to gauge
unit.
NOTE: Pull off the left ckecker of the fuel pipe.
NOTE: Refer to "Fuel Tube/Quick Connector Fittings" in this
section when performing any repairs.