How to Remove Fuel Filter for ISUZU TF Series 4JA1 Engine

by Dave Jack Auto Car Repair Knowledge

This is a instruction show you guide on how to remove fuel filter for ISUZU TF series 4JA1 engine.

ISUZU G-IDSS 2019 Diagnostic Software

Commonent Views
Fuel filter (Except cold region specifications)
Part name
Pressure switch
Priming pump
Fuel feed hose (Fuel tank side)
Fuel filter
Fuel return hose
Fuel feed hose (Supply pump side)
Fuel filter (Cold region specifications)

Part name

Pressure switch
Priming pump
Fuel feed hose (Fuel tank side)
Recirculation valve
Fuel filter
Fuel return hose
Fuel feed hose (Supply pump side)

Preliminary and Post Procedures
1. Preliminary procedures
1) Open the engine hood.

2) Disconnect the battery cable from the battery negative terminal.

Caution:

If the battery cable has been disconnected, make sure to set the steering angle sensor.
3. Fuel Filter Removal
1. Fuel filter (Except cold region specifications)
1) Disconnect the connector from the fuel sedimenter switch.

2) Disconnect the connector from the pressure switch.

3) Remove the fuel filter from the fuel filter bracket.

4) Disconnect the fuel feed hose from the fuel filter.

Caution:

Insert a plug so that fuel does not spill.

2. Fuel filter (Cold region specifications)
1) Disconnect the connector from the fuel sedimenter switch.

2) Disconnect the connector from the pressure switch.

3) Remove the fuel filter from the fuel filter bracket.

4) Disconnect the fuel feed hose from the fuel filter and recirculation valve.

5) Disconnect the fuel return hose from the recirculation valve.

Caution:

Insert a plug so that fuel does not spill.