Injection Pump: Installation
- Install NEW injection pump gasket. Align locating pin on injection pump hub with slot in injection pump driven gear. At the same time, align injection pump timing marks. Ensure cylinder No. 1 is set at TDC.
- Attach injection pump to front cover. Ensure alignment marks made during removal are aligned. Tighten nuts. Attach pump to drive gear and tighten bolts. To complete installation, reverse removal procedure. Check injection pump timing. See appropriate ON-VEHICLE ADJUSTMENTS article.
Courtesy of GENERAL MOTORS CORP.