gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Transmission Vacuum Regulator Valve <--> [Shift Modulator] > < 3L30 (180C) Transmission|Page 3460
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Shift Cable: Adjustments

Fig. 4  Detent Downshift Cable Adjustment

1.

Depress and hold readjust tab on cable, Fig. 4.

2.

Move slider back through fitting, in direction away from throttle lever, until slider contacts fitting.

3.

Release readjust tab, then move throttle to wide open position. Slider will ratchet automatically to correct position.

Transmission Vacuum Regulator Valve <--> [Shift Modulator] > < 3L30 (180C) Transmission|Page 3460