GM/Detroit 6.5L ENGINE CONTROLS – Fuel Manager/Filter Replacement

Removal Procedure
1. Remove the fuel tank fil ler cap.
2. Loosen the upper intake manifold cover bolts.
3. Remove the upper intake manifold cover.

4. Open the air bleed valve on top of the fuel manager/filter to release any pressure in the fuel suppl y system.

5. Remove the mounting bolts which attach the fuel manager/filter to the intake manifold.

6. Remove the wiring harnesses and fuel hoses.
7. Remove the fuel manager/filter by lifting straight up.

Installation Procedure
1. Install the fuel hoses and wiring harnesses.
2. Position the fuel manager/filter to the intake manifold.

Notice : Refer to Fastener Notice in Cautions and Notices.
3. Install the fuel manager/filter mounting bolts.
Tighten
Tighten the mounting bolts to 25 N-m (18 lb ft).
4. Bleed the air from the fuel manager/filter. Refer to Fuel Feed and Fuel Return Pipe Purge Procedure.

5. Install the upper intake manifold cover.
6. Install the upper intake manifold cover bolts.
Tighten
Tighten the upper intake manifold cover bolts to 11 N-m (100 lb in).
7. install the fuel tank fill er cap.

Fuel Manager/Filter W ater Draining Procedure
1. Turn OFF the engine and apply the parking brake.
2. Place a suitable container under the filter drain hose.
3. Open the the filter drain valve.
4. Start the engine and allow it to idle for one minute or until clear fuel is observed. A scan tool can also be used to turn the fuel pump on.
5. Close the filter drain valve (3) and stop the engine.
6. Dispose of the drained mixture in a proper manner.
7. If the Water In Fuel lamp comes on again, repeat procedure until all of the water is removed.

 

 

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