The tilt shoe grooves have burrs or the shoe siezes on the pivot pin.

Clean the grooves. If cleaning does not alleviate the looseness, replace the assembly.

Refer to Steering Column Tilt Head Housing - Disassemble - Off Vehicle and Steering Column Tilt Head Housing - Assemble - Off Vehicle ; and Steering Shaft, Lower Bearing, and Jacket - Disassemble - Off Vehicle and Steering Shaft, Lower Bearing, and Jacket - Assemble - Off Vehicle .

The tilt spring is weak or broken.

Replace the spring.

Refer to Tilt Spring - Disassemble - Off Vehicle and Tilt Spring - Assemble - Off Vehicle .