1999 ford e 250 rear drum brake schematic
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Filed Under (Ford) by admin on 02-02-2011
Remote release handle Parking brake control Parking brake rear cable and conduit clip (part of 2A635) Parking brake cable bracket Parking brake rear cable and conduit— (LH) Parking brake rear cable and conduit— (RH) Parking brake cable equalizer Front parking brake cable and conduit Front parking brake cable clip The parking brake system is actuated when the parking brake control (2780) is depressed. The parking brake control applies tension to the front parking brake cable and conduit (2853) and parking brake cable equalizer (2A602). The parking brake cable equalizer is coupled to the RH parking brake rear cable and conduit (2A635) and the LH parking brake rear cable and conduit. The respective rear brake assemblies are then applied. The rear wheel brake assembly contains a cable-actuated parking brake assembly. The parking brake releases the rear brakes using a remote release lever incorporated with the parking brake control. If the parking brake control is not fully released, the parking brake signal switch will illuminate the brake warning light. The parking brake signal switch is mounted on the parking brake control. The switch is held in place by a self-tapping screw and aligned with a locater pin. The drum brake parking brake system is self-adjusting, therefore cable tension does not need to be adjusted. Rear Disc Brakes Parking Brake Components, Rear Disc Brakes
Filed Under (Toyota) by admin on 09-05-2011
Introduction Some 2010 Prius vehicles may experience rear brake squeak when backing up or moving forward during the ?rst few brake applications when the brakes are cold. An updated rear brake shim kit is available to reduce the likelihood of this condition occurring. Repair Procedure 1. Test drive the vehicle to con?rm the squeak is coming from the rear brakes. The condition occurs more frequently when backing up during light brake pedal application after cold soak. 2. Remove rear brake shims. Refer to the Technical Information System (TIS) 2010 Prius Repair Manual: Brake – Brake (Rear) Brake: Rear Brake: Removal 3. Clean the rear brake pad backing plates with a clean shop towel and apply a small amount of black disc brake grease to the backing plate of each rear brake pad. NOTE Make sure disc brake grease is not applied to the lining of the rear brake pads. 4. Install the No. 1 Anti-squeal shims. Install the No. 2 Anti-squeal shims. Figure 3. 5. Using the Variable Pin Wrench (SST 09960-10010), slowly rotate the caliper piston until the piston groove is positioned as shown in the illustration below. 6. Install new rear brake anti-squeal shims with brake pads into the rear caliper assemblies brackets. Refer to (TIS), 2010 Prius Repair Manual: Brake – Brake (Rear) Brake: Rear Brake: Installation NOTE • When installing the rear disc brake caliper assembly on the rear disc brake caliper mounting bracket, ensure the protrusion on the brake pad is centered in the caliper piston groove. • It is important to ensure the protrusion is not contacting the outer edges of the caliper piston groove. (both sides) 7. Road test the vehicle to con?rm the condition has been reduced.
Filed Under (Ford) by admin on 18-02-2011
1. NOTE: Make sure the parking brake control is fully released. Relieve the tension on the parking brake system. 1. Pull the front parking brake cable and conduit. 2. Insert a suitable retainer. 2. CAUTION: Do not use heat to loosen a seized lug nut (1012). Heat can damage the wheel and the wheel bearings. Remove the rear wheels and tires; loosen the lug nuts. 1. Remove the center cap. 2. With the weight of the vehicle on the wheels, loosen, but do not remove, the lug nuts. 3. WARNING: THE ELECTRICAL POWER TO THE AIR SUSPENSION SYSTEM MUST BE SHUT OFF PRIOR TO HOISTING, JACKING OR TOWING AN AIR SUSPENSION VEHICLE. THIS CAN BE ACCOMPLISHED BY TURNING OFF THE AIR SUSPENSION SWITCH LOCATED IN REAR JACK STORAGE AREA. FAILURE TO DO SO MAY RESULT IN UNEXPECTED INFLATION OR DEFLATION OF THE AIR SPRINGS WHICH MAY RESULT IN SHIFTING OF THE VEHICLE DURING THESE OPERATIONS. Raise and support the vehicle; refer to Section 100-02 . 4. Remove the tire and wheel assembly. 1. Remove the lug nuts. 2. Remove the tire and wheel assembly. 5. Disconnect the (A) parking brake intermediate cable from the (B) parking brake rear cable and conduit, LH. 6. Separate the (A) RH parking brake rear cable and conduit from the (B) LH parking brake rear cable and conduit at the (C) parking brake cable equalizer. 7. Remove the RH parking brake rear cable and conduit from the parking brake cable bracket (2530). 1. Compress the parking brake cable clip. 2. Remove the RH parking brake rear cable and conduit from the parking brake cable bracket. 8. Remove the RH parking brake rear cable and conduit to LH parking brake rear cable and conduit clip. 9. Remove the (A) RH parking brake rear cable and conduit from the (B) rear parking brake cable retainer (2A709). 10. Remove the RH parking brake rear cable and conduit to the RH hydraulic brake line clip. 11. Remove the parking brake cable retainer clip (2A826). 1. Remove the parking brake cable retainer clip bolt. 2. Remove the parking brake cable retainer clip. 12. Unclip the parking brake rear cable and conduit from the brake line clip on top of the rear axle housing.
Filed Under (Ford) by admin on 08-11-2010
Some vehicles may exhibit a grabbing condition from the rear brakes during the first few brake applications. The condition only occurs after the vehicle has been parked for several hours. ACTION Follow the Service Procedure steps to correct the condition. SERVICE PROCEDURE To service, reduce/minimize moisture intrusion into the rear drum brake assemblies by applying Motorcraft® Silicone Gasket and Sealant to the brake backing plate. 1. Place vehicle on hoist and remove the rear wheels. 2. Remove the rear brake drums and replace the rear linings. Refer to Workshop Manual (WSM), Section 206-02. WARNING Do not breathe dust or use compressed air to blow dust from storage containers or friction components. Remove dust using government-approved techniques. Friction component dust may be a cancer and lung disease hazard. Exposure to potentially hazardous components may occur if dusts are created during repair of friction components, such as brake pads and clutch discs. Exposure may also cause irritation to skin, eyes and respiratory tract, and may cause allergic reactions and/or may lead to other chronic health effects. If irritation persists, seek medical attention or advice. Failure to follow these instructions may result in serious personal injury. 3. Inspect the rear brake assemblies for damaged, missing and/or improperly seated adjuster plug or parking brake cable. 4. Inspect and clean the lining contact area of the brake drum; machine if necessary. 5. Reinstall the rear brake drums and adjust the lining to drum clearance per WSM, Section 206-02. 6. Thoroughly clean the backside of the rear drum brake backing plate to promote proper adhesion of sealant. 7. Apply Motorcraft(R) Silicone Gasket and Sealant to the backside of the rear drum brake backing plate at the following inter[ace areas (Figure 1): ^ Axle Flange ^ Wheel Cylinder ^ Parking Brake Cable ^ Hold Down Pins NOTE AVOID GETTING SEALANT ON THE BRAKE BLEED SCREW AND BRAKE TUBE NUT. 8. Reinstall the rear wheels and torque lug nuts per Workshop Manual, Section 204-04.
Filed Under (Ford) by admin on 08-03-2011
Master Cylinder Priming — In-Vehicle or Bench WARNING: Carefully read cautionary information on product label. For EMERGENCY MEDICAL INFORMATION seek medical advice. In the USA or Canada on Ford/Motorcraft products call: 1-800-959-3673. For additional information, consult the product Material Safety Data Sheet (MSDS) if available. Failure to follow these instructions may result in personal injury. CAUTION: Do not allow the brake master cylinder reservoir to run dry during the bleeding operation. Keep the brake master cylinder reservoir filled with the specified brake fluid. Never reuse the brake fluid that has been drained from the hydraulic system. CAUTION: Brake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water. NOTE: When any part of the hydraulic system has been disconnected for repair or installation of new components, air can enter the system and cause spongy brake pedal (2455) action. This requires bleeding of the hydraulic system after it has been correctly connected. The hydraulic system can be bled manually or with pressure bleeding equipment. NOTE: When a new brake master cylinder (2140) has been installed or the system has been emptied, or partially emptied, it should be primed to prevent air from entering the system. 1. For in-vehicle priming, disconnect the brake lines. 2. For bench priming, mount the brake master cylinder (2140) in a vise. 3. Install short brake tubes with the ends submerged in the brake master cylinder reservoir (2K478), and fill the brake master cylinder reservoir with High Performance DOT 3 Brake Fluid C6AZ-19542-AB or equivalent DOT 3 fluid meeting Ford specification ESA-M6C25-A. 4. Have an assistant pump the brake pedal (2455), or slowly depress the primary piston until clear fluid flows from both brake tubes, without air bubbles. 5. If the brake master cylinder has been primed at the bench, install it in the vehicle. For additional information, refer to Section 206-06. 6. Remove the short brake tubes, and install the brake outlet tubes. 7. Bleed each brake tube at the brake master cylinder as follows: 1. Have an assistant pump the brake pedal, and then hold firm pressure on the brake pedal. 2. Loosen the rear most brake tube fittings until a stream of brake fluid comes out. While the assistant maintains pressure on the brake pedal, tighten the brake tube fitting. 3. Repeat this operation until clear, bubble-free fluid comes out. 4. Refill the brake master cylinder reservoir as necessary. Repeat the bleeding operation at the front brake tube. Master Cylinder Priming — 4.6L 1. CAUTION: Use only bleed screws on the engine side of the brake master cylinder (2140). The hydro-boost bleed screw, located near the dash on the hydro-booster casting, is for the booster cavity filled with power steering fluid, not brake fluid. Connect a clear waste line to the bleed screw closet to the booster first and the other end in a container partially filled with recommended brake fluid.