Certain components within the ABS system are not intended to be serviced or repaired. Only those components with service procedures should be repaired.Do not use rubber hoses or other parts not specifically specified for the ABS system. When using repair kits, install all parts included in the kit. Partial or incorrect repair may lead to functional problems and require the replacement of components.Lubricate rubber parts with clean, fresh brake fluid to ease assembly. Do not use lubricated shop air to clean parts; damage to rubber components may result.Use only DOT 3 brake fluid from an unopened container.If any hydraulic component or line is removed or replaced, it may be necessary to bleed the entire system.A clean repair area is essential. Always clean the reservoir and cap thoroughly before removing the cap. The slightest amount of dirt in the fluid may plug an orifice and impair the system function. Use denatured alcohol to clean components.Do not allow ABS components to come into contact with any substance containing mineral oil; this includes used shop rags.The anti-lock brake controller is a microprocessor similar to other computer units in the vehicle. Ensure that the ignition switch is OFF before removing or installing controller harnesses. Avoid static electricity discharge at or near the controller.If any arc welding is to be done on the vehicle, the ABS controller should be disconnected before welding operations begin.If the vehicle is to be baked after painting, disconnect and remove the ABS controller from the vehicle.