Accelerator Cable Adjustment

Start the engine.
Run the engine to normal operating temperature.
Inspect that the engine idle speed is 625-725 RPM. If the idle speed is not 625-725 RPM, refer to Minimum Idle Speed Inspection/Adjustment .
With the throttle valve closed, measure the accelerator pedal free play (1). The accelerator pedal free play clearance is 2-7 mm (0.08-0.27 in). If the pedal free play is 2-7 mm (0.08-0.27 in), go to Step 9.

Fig 1: View Of Accelerator Pedal Free Play

Courtesy of GENERAL MOTORS CORP.

Loosen the accelerator cable locknut (3).
Turn the accelerator cable adjusting nut (2) in order to obtain 2-7 mm (0.08-0.27 in) of accelerator pedal free play.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Tighten the accelerator cable locknut (3).
Tighten: Tighten the locknut to 23 N.m (17 lb ft).
Repeat Step 4 through Step 8 until the accelerator pedal free play is 2-7 mm (0.08-0.27 in).

Fig 2: View Of Accelerator Control Cable, Locknut & Adjusting Nut

Courtesy of GENERAL MOTORS CORP.

With the accelerator pedal fully depressed, measure the clearance (2) between the throttle lever (3) and the throttle stop (1). The accelerator cable end play clearance is 0.5-2.0 mm (0.02-0.07 in).

Fig 3: Measuring Clearance Between Throttle Lever & Throttle Stop

Courtesy of GENERAL MOTORS CORP.

Adjust the height of the accelerator pedal stop (1) in order to obtain 0.5-2.0 mm (0.02-0.07 in) of accelerator cable end play.

Fig 4: View Of Accelerator Pedal Stop

Courtesy of GENERAL MOTORS CORP.