Diesel Engines
WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 1987 GMC Vandura Special, 1987 GMC Vandura, 1987 GMC Value Van, 1987 GMC Suburban, and 1987 GMC Safari. However, it is still accessible from the selected car via links, so may be relevant.
- Remove cruise control rod (if equipped). Disconnect detent cable terminal from throttle assembly. Loosen lock nut on pump rod and back off several turns. Rotate throttle lever assembly (at valve body) to full open position and hold.
- Lengthen pump rod until injection pump lever contacts full throttle stop. Release throttle lever and tighten pump rod lock nut.
- Remove pump rod from lever assembly. Reconnect detent cable terminal to throttle assembly. Depress and hold metal adjusting tab on cable adjuster. Move slider through fitting, away from throttle lever, until slider stops against fitting. Release tab.
- Rotate lever assembly to full throttle position and release. Reconnect pump rod. If equipped with cruise control, reconnect rod and adjust servo throttle rod to minimum slack with engine off. Install clip in free hole nearest to bellcrank and within servo bail.