Pinpoint Test C: The Control Linkage Is Binding

C1 CHECK THE SHIFT CONTROL COMPONENTS FOR DAMAGE

Gain access to the shift control components.
Key in ACCESSORY position.
Apply the brake pedal.
Observe all shift control components while attempting to shift the gearshift lever through the ranges.
Are any of the components damaged?

Yes

REPAIR as necessary. REINSTALL all components. TEST the system for normal operation.

GO to C2.

C2 CHECK THE SHIFT CONTROL COMPONENT OPERATION WITH THE SHIFT CABLE DISCONNECTED FROM THE TRANSMISSION

Key in OFF position.
Raise and support the vehicle. REFER to JACKING & LIFTING .
Disconnect the shift cable from the manual control lever (7A256).
Lower the vehicle.
Key in ACCESSORY position.
Apply the brake pedal.
Observe the shift control components while attempting to shift the gearshift lever through the ranges.
Do the components move fluidly through all ranges?

Yes

REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - 5R55E for internal transmission repair.

GO to C3.

C3 CHECK THE SHIFT CONTROL COMPONENT OPERATION WITH THE SHIFT CABLE DISCONNECTED FROM THE STEERING COLUMN

Key in OFF position.
Disconnect the shift cable from the transmission selector lever arm and support.
Key in ACCESSORY position.
Apply the brake pedal.
Observe the shift control components while attempting to shift the gearshift lever through the ranges.
Do the components move fluidly through all ranges?

Yes

INSTALL a new shift cable and bracket. REFER to Selector Lever Cable and Bracket .

REFER to STEERING COLUMN for steering column repair.