Curb Idle Speed

CURB IDLE SPEED ADJUSTMENT
- Set parking brake, block wheels and place the transmission in Neutral (manual) or Park (automatic).
- Bring engine to normal operating temperature (upper radiator hose hot).
- Place A/C Heat selector to "OFF" (if equipped).
- Disconnect and plug manifold vacuum source from the air cleaner thermal vacuum switch (large port) and air cleaner bimetallic switch.
- Place the transmission in the specified gear. Specifications
- Check curb idle rpm. Adjust to specification. Specifications
- Place the transmission in Neutral (manual) or Park (automatic). Rev the engine momentarily. Place the transmission in specified position, and recheck curb idle rpm. Readjust if required.
- Connect an external vacuum source providing a minimum of 33.7 kPA (10 in-Hg) to the Vacuum Operated Throttle Modulator (VOTM) kicker.
- Place the transmission selector in specified position. Specifications
- Check/adjust VOTM kicker speed. If adjustment is required, loosen kicker locknut and turn kicker to required speed, tighten locknut.
- Remove plugs and reconnect vacuum hoses.