Dodge diesel injector installation

Before assembly, examine each part for dirt, grease or other contaminants and clean if necessary. When installing new parts, lubricate them with clean engine oil or clean diesel fuel only.

Cover and isolate ends of both cables. Remove 5 ECM mount. Do not disconnect wiring connectors from ECM. Also clean the opposite ends of these same 3 lines at their attachment points. Plate is threaded to timing gear cover Fig. Leave drive gear hanging loose within timing gear cover. Inspect o-ring surfaces for nicks, cuts or damage.

Do not attempt a final tightening at this time. Do not attempt to tighten pull pump to gear cover using mounting nuts. The pump must be positioned flat to its mounting flange before attempting to tighten 3 mounting nuts. The Dodge Cummins 5. That hard-working engine can experience failures.

Here are some of the most frequently asked questions we receive about these engines:. March 16, A Diesel Particulate Filter is a trap, not a filter. Visible particles cannot get through this 'filter'. If you see black smoke on a modern diesel, it's either been illegally modified, or this 'filter' is physically damaged. March 12, Duramax LB7 injectors are among the top diesel engine parts we get questions about.

We thought we'd share some of those answers with you. February 22, How to replace Duramax fuel injectors. This is a complicated question with many variables. How to replace Duramax injectors instructions change from model year to model year and is complex enough job that we recommend purchasing a service manual if you are attempting this job yourself. Blow out bore hole with compressed air.

A new shim with a correct thickness must always be reinstalled after removing injector. Shim Thickness: 1. Apply light coating of clean engine oil to washer. This will keep washer in place during installation.

Apply small amount of clean engine oil to o-ring. Push down on fuel injector mounting flange to engage o-ring and seat injector. Do a preliminary tightening of these bolts to 44 in. This preliminary tightening insures the fuel injector is seated and centered. Do a preliminary tightening to 11 ft. Tighten to 44 ft. Tighten connector nuts to 11 in. Be very careful not to over tighten these nuts as damage to fuel injector will occur.