GM/Detroit 6.5L ENGINE CONTROLS – Injection Line(s) Replacement

Removal Procedure
Tools Required
J 39664 Manifold Cover Set

Important: Clean all the line fittings that will be
loosened or removed.
1. Remove the negative battery cables.
2. Remove the intake manifold. Refer to Intake Manifold Removal.

Important: Before any further service work is to be done, cover the intake ports with the J 39664 manifold cover set.
3. Remove the injection line clips at the loom brackets.
4. Remove the injection lines at the nozzles.
• Cap the lines and the nozzles immediately.
• Do not bend the injection lines.
5. Remove the injection lines at the pump. Refer to Fuel System Description.
• Cap the lines and the pump fittings immediately.
• Tag the lines for installation.

Installation Procedure
1. Install the injection lines at the pump. Refer to Fuel System Description.
• Uncap the lines and pump fittings.
• Refer to the tags for the correct installation.
• Install the injection lines at the nozzles.

Notice : Refer to Fastener Notice in Cautions and Notices.
2. Uncap the lines and the nozzles.
Tighten
Tighten the fittings to 25 N-m (20 lb ft).
3. Install the injection line clips at the loom brackets.
4. Remove the J 39664 manifold cover set.
5. Install the intake manifold. Refer to Intake Manifold Removal.
6. Install the negative battery cables.

 

Leave a Reply

Your email address will not be published. Required fields are marked *