Hummer 88983905 Pipe,Brake

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About every six months, it is important to inspect the flexible hoses that connect the steel brake lines with the front and rear brake assemblies for any cracks, chafing, leaks, blisters, or other damage. This inspection should be done with the vehicle raised and securely placed on jackstands, using a light and mirror for a thorough check. If any of the hoses exhibit any of the mentioned defects, they should be replaced with new ones. To remove a brake hose, clean all dirt away from the ends of the hose and unscrew the tube nut with a flare-nut wrench. Remove the bolts or clips securing the hose to the body and disconnect the hose from the caliper, discarding the sealing washers. Attach the new brake hose to the caliper using new sealing washers and tighten the banjo fitting bolt to the proper torque specifications. Make sure the hose isn't twisted during installation and check for any contact with suspension or steering components. Bleed the brake system after installation. When replacing metal brake lines, use the correct parts and avoid using copper tubing. Prefabricated brake lines with flared tube ends and fittings installed are available and can be bent to the proper shapes using a tubing bender. Ensure the new line is well supported in the brackets and has enough clearance from moving or hot components. After installation, check the master cylinder fluid level, add fluid if necessary, bleed the brake system, and test the brakes carefully before normal operation.

Clean all dirt away from the ends of the hose and unscrew the tube nut with a flare-nut wrench. Remove the bolts or clips securing the hose to the body and disconnect the hose from the caliper, discarding the sealing washers.

About every six months.

The flexible hoses should be inspected every six months.

At the caliper end of the hose, remove the bolt from the fitting block and take off the hose and copper gaskets on either side of the fitting block. When installing the hose, always use new copper gaskets and lubricate all bolt threads with clean brake fluid. Attach the hose to the caliper with the fitting flange engaged with the caliper locating ledge.

To install the new brake hose, follow these steps: Route the hose exactly as the original one was. Mount any hose brackets that secure the hose to other components, as equipped. Pass the female fitting through the frame or frame bracket and install it in position with the least amount of twist in the hose. Install the U-clip in the female fitting at the frame bracket. Attach the brake line to the hose fitting using a backup wrench on the fitting. Tighten the tube nut securely.

To install the hose, connect the fitting to the caliper with the inlet fitting bolt and new sealing washers.

Disconnect the hose from the caliper, discarding the sealing washers, and attach the new hose using new sealing washers.

Cracks, chafing, leaks, blisters, or any other damage should be checked for.

It is important to check that the suspension or steering components do not make contact with the hose. This can be done by having an assistant push down on the vehicle and turn the steering wheel lock-to-lock during the inspection.

The inspection should be done with the vehicle raised and securely placed on jackstands. Use a light and mirror for a thorough check. If any defects are found, the hose should be replaced with a new one.

Using a tubing bender.

To install the new brake hose, follow these steps:Route the hose exactly as the original one was.

A light and mechanics mirror.

To install the new brake hose, follow these steps: Route the hose exactly as the original one was. Mount any hose brackets that secure the hose to other components, as equipped. Pass the female fitting through the frame or frame bracket and install it in position with the least amount of twist in the hose. Install the U-clip in the female fitting at the frame bracket. Attach the brake line to the hose fitting using a backup wrench on the fitting. Tighten the tube nut securely.

During the inspection, check for any cracks, chafing, leaks, blisters, or other damage in the rubber hoses. Use a light and mirror if necessary for a thorough inspection.

To install the new brake hose, follow these steps: Route the hose exactly as the original one was. Mount any hose brackets that secure the hose to other components, as equipped. Pass the female fitting through the frame or frame bracket and install it in position with the least amount of twist in the hose. Install the U-clip in the female fitting at the frame bracket. Attach the brake line to the hose fitting using a backup wrench on the fitting. Tighten the tube nut securely.

The master cylinder fluid level should be checked, fluid should be added if necessary, the brake system should be bled, and the brakes should be tested carefully before normal operation.

Clean all dirt away from the ends of the hose and unscrew the tube nut with a flare-nut wrench. Remove the bolts or clips securing the hose to the body and disconnect the hose from the caliper, discarding the sealing washers.

To install the new brake hose, follow these steps: Route the hose exactly as the original one was. Mount any hose brackets that secure the hose to other components, as equipped. Pass the female fitting through the frame or frame bracket and install it in position with the least amount of twist in the hose. Install the U-clip in the female fitting at the frame bracket. Attach the brake line to the hose fitting using a backup wrench on the fitting. Tighten the tube nut securely.

Disconnect the hose from the caliper, discarding the sealing washers, and attach the new hose to the caliper or wheel cylinder using new sealing washers.

The inspection should be done with the vehicle raised and securely placed on jackstands. Use a light and mirror for a thorough check. If any defects are found, the hose should be replaced with a new one.

To install the new brake hose, follow these steps: Route the hose exactly as the original one was. Mount any hose brackets that secure the hose to other components, as equipped. Pass the female fitting through the frame or frame bracket and install it in position with the least amount of twist in the hose. Install the U-clip in the female fitting at the frame bracket. Attach the brake line to the hose fitting using a backup wrench on the fitting. Tighten the tube nut securely.