Filed Under (Suzuki) by admin on 19-04-2010
This bulletin is to provide information about some brake noise characteristics heard during normal operation. Please utilize this bulletin when explaining brake noises to eliminate concerns and reduce unnecessary component replacement. It should be considered normal for the brake system to have some noise during normal operation. This is most common with disk brake systems and will happen from time to time. It is caused by friction when the pads are stopping the brake disc from rotating. The definition of brake noise can be different case by case, driver to driver and situation to situation. Noise can be defined as an unpleasant sound and the severity is usually affected by the sensitivity of the
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.
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Filed Under (Suzuki) by admin on 16-06-2010
Manual locking hubs engage and disengage front wheels from axle shafts on 4WD vehicles. These hubs are are optional. When hubs are engaged in LOCK position, wheels and axle shafts rotate together. When hubs are disengaged or unlocked in FREE position, front wheels free-wheel on hub bearings. REMOVAL & INSTALLATION MANUAL LOCKING HUB Removal 1) Position locking hub in FREE position. Remove cover-to- body retaining bolts. Remove cover assembly and gasket. 2) Remove snap ring from drive axle. Remove body-to-hub retaining bolts. Remove body and gasket. See Fig. 1. CAUTION: Lubricate sliding surfaces with multipurpose grease, but DO NOT pack hub with grease.
Filed Under (Mercedes-Benz) by admin on 08-08-2010
The hydraulic pressure from the dual master cylinder is split diagonally between the right front/left rear and left front/right rear wheel brake circuits, providing a balanced braking response should a malfunction occur in a brake line. The proportioning valve function is produced by the Electronic Brake Proportioning System (EBP). EBP dynamically adjusts the application of hydraulic pressure to the rear brakes. Both front and rear brakes are disc type with single piston floating calipers. The front discs are internally ventilated while the rear discs are solid. To ensure better ventilation of the brakes, additional openings for cooling air have been integrated into the bumper. The parking brakes are drum type with the drum located in the hub area of the rear disc. The self adjusting brake mechanism is like the W140 and is located under the passenger compartment second seat row. Component Location 4-ETS/ABS Hydraulic Unit
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Filed Under (Mercury) by admin on 23-10-2010
BRAKES – REAR BRAKE NOISE- “MOANING/GROANING” FROM REAR BRAKES WHEN COLD ^ NOISE – “MOANING/GROANING” FROM REAR BRAKES WHEN COLD MERCURY: 1999-2001 COUGAR ISSUE Some vehicles equipped with rear disc brakes may exhibit a “moaning/groaning” noise on initial brake application (cold soak). This may be caused by the rear brake pads vibrating in the caliper. Braking performance is not affected by this condition. ACTION Install revised Rear Disc Brake Service kit. Refer to the following Service Procedure for details. SERVICE PROCEDURE 1. Lift and support vehicle. Refer to the appropriate Workshop Manual, Section 100-01. 2. Remove both rear tire assemblies. 3. Remove rear brake pads per instructions in the Workshop Manual, Section 206- 04.4. Remove U-spring from the top of the caliper and replace with L-spring supplied in kit (Figure 1). NOTE THE LEG OF THE L-SPRING FACES THE OUTSIDE OF VEHICLE.5. Remove adhesive backing protection from new pads with C-springs (Figure 2) and install new pads into caliper. Use Pads XS7Z-2200-M for vehicles without