Click sound when ever I touch the brakes

Hi:
Replacing the vacuum brake booster isn't too hard to replace. However, you will have to remove the brake master cylinder and disconnect the brake pedal from the push rod in the vehicle.
Here are the directions specific to removal and replacement.

NOTICE:

Make sure to release the vacuum from the brake booster before removing the master cylinder from the brake booster.

Slide the clip and disconnect the vacuum hose.

REMOVE BRAKE VACUUM CHECK VALVE ASSEMBLY
Remove the vacuum check valve assembly from the brake booster assembly.
REMOVE CHECK VALVE GROMMET
Remove the check valve grommet from the brake booster assembly.
REMOVE NO. 5 FRONT BRAKE TUBE
Using a union nut wrench (10 mm), disconnect the No. 5 front brake tube from the front brake flexible hose LH.

Remove the grommet and No. 5 front brake tube from the body.

REMOVE BRAKE BOOSTER ASSEMBLY
Disengage the 2 clamps and separate the brake lines from the body.

Remove the 4 nuts and brake booster assembly from the body.

NOTICE:

Do not damage the brake lines or fuel lines.

Install

HINT:

Fully tighten the lock nut after adjusting the brake pedal height.

INSTALL BRAKE BOOSTER GASKET
Install a new brake booster gasket to the brake booster assembly.
INSTALL BRAKE BOOSTER ASSEMBLY
Install the brake booster assembly to the body with the 4 nuts.

Torque : 13 Nm (132 kgf-cm, 10 ft-lbf)

NOTICE:

Do not damage the brake lines or fuel lines.

Engage the 2 clamps to install the brake lines to the body.

INSTALL NO. 5 FRONT BRAKE TUBE
Install the No. 5 front brake tube to the body and engage the grommet.

Using a union nut wrench (10 mm), connect the No. 5 front brake tube to the front brake flexible hose LH.

Torque : 15 Nm (155 kgf-cm, 11 ft-lbf)

Torque : 14 Nm (143 kgf-cm, 10 ft-lbf)

NOTICE:

Use a torque wrench with a fulcrum length of 250 mm (9.84 in.).
This torque value is effective when the union nut wrench is parallel to the torque wrench.
INSTALL CHECK VALVE GROMMET
Install a new check valve grommet to the brake booster assembly.
INSTALL BRAKE VACUUM CHECK VALVE ASSEMBLY
Install the vacuum check valve assembly to the brake booster assembly.
CONNECT VACUUM HOSE
Connect the vacuum hose and slide the clip.

CONNECT BRAKE MASTER CYLINDER PUSH ROD CLEVIS [ BRAKE SYSTEM (OTHER): BRAKE PEDAL: INSTALLATION+ ]
INSTALL BRAKE PEDAL RETURN SPRING [ BRAKE SYSTEM (OTHER): BRAKE PEDAL: INSTALLATION+ ]
INSTALL FRONT WHEEL LH
Torque : 103 Nm (1050 kgf-cm, 76 ft-lbf)

Check out the diagrams (Below). Let us know what happens and please upload pictures or videos of the problem.