GM 19371356
Brake Booster

A vehicle technician must begin Brake Booster replacement work by executing both the park brake and wheel block procedure. To perform this task disconnect all pipes from the booster assembly with the exception of the steering gear and inlet hose followed by removing the master cylinder (Master Cylinder Replacement) and the stop lamp switch (Stop Lamp Switch Replacement in Lighting Systems). First remove the four booster to bulkhead nuts before taking out both the booster assembly together with its gasket. Users must begin installation by aligning a new gasket followed by installing the booster assembly. Utilize 33 nm torque to screw in the four booster to bulkhead nuts. The installation process continues with stop lamp switch (Stop Lamp Switch Replacement in Lighting Systems) followed by the master cylinder (Master Cylinder Replacement). Restore connections between the steering gear along with the return hose and the inlet hoses. The hydraulic booster bleeding process ends with the release of the park brake and wheel unblocking procedures. Pay attention to brake fluid irritants and choose the appropriate fluid because power steering fluid serves the hydraulic Brake Booster system yet brake fluid operates through master cylinder and brake pipes.

Begin by engaging the parking brake followed by wheel blocking before you can replace the hydraulic Brake Booster. You must disconnect all hoses between the booster assembly and the steering gear before you remove the stop lamp switch and master cylinder. After removing the 4 booster to bulkhead nuts you can remove the complete booster assembly with its gasket included. Start by placing the gasket before installing the booster assembly. Install the 4 booster to bulkhead nuts, tightening them to 33 nm (24 ft. Lbs.)after securing the stop lamp switch and master cylinder install the 4 booster to bulkhead nuts. To finish the installation process reattach the return hose and steering gear and inlet hoses then implement hydraulic booster system bleeding and release the park brake and unblock the wheels. Pay special attention to brake fluid irritants while ensuring you use correct fluids because power steering fluid runs through the booster but brake fluid runs through the master cylinder and brake pipes of hydraulic brake systems.

Proceed to replace the power Brake Booster outlet hose by creating drain pans under the vehicle while withdrawing as much power steering fluid as possible from the power steering fluid reservoir. The mechanics must disconnect the power Brake Booster outlet hose firstly from the power Brake Booster and then from the power steering fluid reservoir before removing the hose from the vehicle. It is necessary to avoid both twisting and bending or distorting the inlet and outlet hoses while installing to prevent damage to components. Place the power Brake Booster outlet hose on the vehicle while linking it to the power steering fluid reservoir followed by the power Brake Booster . Clean all excess fluid from the vehicle after which you should remove drain pans to finally fill and bleed the power steering system.

Apply the parking brake and safely block all vehicle wheels before starting to replace the vacuum Brake Booster. Pull out the Brake Master Cylinder before connecting the Brake Booster check valve vacuum hose. To remove the brake pedal components step one is to take off the Pushrod retaining clip attached to the brake pedal stud. Then extract the Pushrod switch from its position on this same stud. Remove the four vacuum booster's mounting nuts and retrieve the booster without the gasket. Put a new gasket on the vacuum booster then install it as usual. Fit the 4 vacuum booster mounting nuts and tighten them to 33 nm (24 ft. Lbs.). Reinstall the Pushrod and stop lamp switch to the brake pedal stud before putting the Pushrod retainer clip back. Install the vacuum hose at the Brake Booster check valve and put back the master cylinder into place. Conclude your work by unlocking the wheels and removing the brake stop.

Apply the parking brake and safely block all vehicle wheels before starting to replace the vacuum Brake Booster. Pull out the Brake Master Cylinder before connecting the Brake Booster check valve vacuum hose. To remove the brake pedal components step one is to take off the Pushrod retaining clip attached to the brake pedal stud. Then extract the Pushrod switch from its position on this same stud. Remove the four vacuum booster's mounting nuts and retrieve the booster without the gasket. Put a new gasket on the vacuum booster then install it as usual. Fit the 4 vacuum booster mounting nuts and tighten them to 33 nm (24 ft. Lbs.). Reinstall the Pushrod and stop lamp switch to the brake pedal stud before putting the Pushrod retainer clip back. Install the vacuum hose at the Brake Booster check valve and put back the master cylinder into place. Conclude your work by unlocking the wheels and removing the brake stop.

Begin replacement of the power Brake Booster after parking the vehicle and securing the wheels. Use proper tools to disconnect the booster part hoses without removing the pipes from the master cylinder. You must first move the master cylinder away from the booster when you open the hydraulic booster nuts before placing it in the engine room. Also disconnect the stop lamp switch plus 4 booster to bulkhead nuts and remove the booster assembly with its gasket. Place the new gasket first and then install the booster assembly before tightening the 4 booster to bulkhead nuts to 33 nm (24 ft. Lbs.). Fasten the brake stop lamp and master cylinder back to the booster using 33 nm torque. You must link the return hose, steering gear, and inlet hoses afterward perform the booster bleed procedure and unlock the brakes by releasing the park brake. When using brake fluid pay attention to its potential skin and surface irritation while picking the right type to prevent seal harm.

The replacement process starts by applying the parking brake then blocking the wheels. Unplug the vacuum hose that connects the Brake Booster check valve as you disconnect the Brake Master Cylinder from its position. First remove the Pushrod retaining clip from the brake pedal stud then take off the stop lamp switch and the Pushrod from the same stud. Take out the vacuum booster while discarding its gasket by removing all four booster mounting nuts. Set a new gasket over the booster before installing the vacuum booster unit. Secure the 4 vacuum booster mounting nuts by tightening them to 33 nm (24 ft. Lbs.). Resume connection between Pushrod and the stop lamp switch through their matching point on the brake pedal stud while inserting the Pushrod retaining clip . Join the vacuum hose to the Brake Booster check valve then put back the master cylinder. End your process by letting go of the park brake then free the wheels.

The replacement of a hydraulic Brake Booster requires users to activate the park brake while blocking the wheels. Begin this operation by disconnecting all hoses attached to the booster assembly including the inlet hose as well as the steering gear and return hoses. Afterward you can remove both the master cylinder and stop lamp switch. The booster assembly together with its accompanying gasket can be extracted after removing the four bulkhead bolts. Begin by installing the booster assembly after you position its new gasket. Insert 4 booster to bulkhead nuts into position before tightening them to 33 nm (24 ft. Lbs.). Install the master cylinder and stop lamp switch before connecting the steering gear then the return hose along with the inlet hoses. After bleeding the hydraulic booster system one should release the park brake before finishing with wheel unblocking operations. Be cautious when using brake fluid because it could harm paint and electrical components thus requiring power steering fluid for the hydraulic Brake Booster system and brake fluid for master cylinder and brake pipes.

Proceed to replace the power Brake Booster outlet hose by creating drain pans under the vehicle while withdrawing as much power steering fluid as possible from the power steering fluid reservoir. The mechanics must disconnect the power Brake Booster outlet hose firstly from the power Brake Booster and then from the power steering fluid reservoir before removing the hose from the vehicle. It is necessary to avoid both twisting and bending or distorting the inlet and outlet hoses while installing to prevent damage to components. Place the power Brake Booster outlet hose on the vehicle while linking it to the power steering fluid reservoir followed by the power Brake Booster . Clean all excess fluid from the vehicle after which you should remove drain pans to finally fill and bleed the power steering system.

A vehicle technician must begin Brake Booster replacement work by executing both the park brake and wheel block procedure. To perform this task disconnect all pipes from the booster assembly with the exception of the steering gear and inlet hose followed by removing the master cylinder (Master Cylinder Replacement) and the stop lamp switch (Stop Lamp Switch Replacement in Lighting Systems). First remove the four booster to bulkhead nuts before taking out both the booster assembly together with its gasket. Users must begin installation by aligning a new gasket followed by installing the booster assembly. Utilize 33 nm torque to screw in the four booster to bulkhead nuts. The installation process continues with stop lamp switch (Stop Lamp Switch Replacement in Lighting Systems) followed by the master cylinder (Master Cylinder Replacement). Restore connections between the steering gear along with the return hose and the inlet hoses. The hydraulic booster bleeding process ends with the release of the park brake and wheel unblocking procedures. Pay attention to brake fluid irritants and choose the appropriate fluid because power steering fluid serves the hydraulic Brake Booster system yet brake fluid operates through master cylinder and brake pipes.

Before starting the process of replacing the hydraulic Brake Booster apply the park brake and block the wheels. A technician should disconnect all hoses from the booster assembly starting with the inlet hose and steering gear and return hoses before master cylinder and stop lamp switch removal (part number 123456). Start by taking out the booster assembly combined with its gasket after stripping the four booster to bulkhead nuts. New gaskets should be placed before you install the booster assembly and tighten its four booster to bulkhead nuts to 33 nm (24 ft. Lbs.). After installing the stop lamp switch (part number 123456) and master cylinder users should connect the return hose to the steering gear and inlet hoses in succession. Close the hydraulic booster system for bleeding then take off the park brake and clear up the vehicle wheels. Protect your vehicle from brake fluid exposure by utilizing proper precautions because the substance can harm paint surfaces along with electrical parts while power steering fluid serves the hydraulic Brake Booster system and brake fluid functions with the master cylinder and brake pipes.

Install the 4 vacuum booster mounting nuts, tightening them to 33 Nm (24 ft. lbs.).