1995 Saturn Wagon Clutch Slave Cylinder: Service and Repair

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Filed Under (Saturn) by admin on 27-08-2010

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Hydraulic Clutch Control System IMPORTANT: The clutch hydraulic system is to be serviced as a COMPLETE UNIT!!!. It is a sealed unit and has been filled with fluid and bled of air at the factory. Individual components of the system are not available for service, except the slave cylinder actuator pushrod plastic retainer strap. Do not attempt to bleed the clutch hydraulic system. The bleed screw located on the clutch hydraulic slave cylinder is used for the factory fluid fill only. WARNING: Do not attempt to bleed the clutch hydraulic unit. Any observed fittings are there for factory use only. The unit comes as a complete pre-bled unit. REMOVAL 1. 2. 3. 4. 5. 6. 7. Block clutch pedal up to prevent pedal from being depressed with slave cylinder removed from transaxle. Remove air induction system. Disconnect negative battery cable from battery. Disconnect positive battery cable from battery Remove hold-down retaining nut and screw, and lift off battery hold-down retainer. Lift the battery of vehicle, and place in a safe location. Remove battery tray bolts and tray. IMPORTANT: One bolt is located in the fender well. NOTICE: Removal of the hydraulic damper with a power tool prior to removal of the actuator could result in breaking off the hydraulic line. IMPORTANT: Prior to removing the slave cylinder from the clutch housing, make sure that the clutch hydraulic system has sufficient fluid. Refer to the “Clutch Hydraulic Fluid Check” procedures in this manual. (This is not necessary if the clutch hydraulic system is being removed to be replaced.) 8. Rotate actuator 1/4 turn counterclockwise while pushing toward housing in order to disengage the bayonet connector and remove from clutch housing. 9. Remove two hydraulic damper to clutch housing nuts and slide damper and bracket assembly off studs.

1991 Mercedes Benz 500SL Convertible Top Hydraulic Control Unit

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Filed Under (Mercedes-Benz) by admin on 18-08-2010

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The hydraulic unit (pump, motor, supply reservoir) is located in the spare tire recess. If the switch for the roll-over bar convenience feature or the switch for the soft top is actuated, the pump (A7/5) runs as long as the switch is pressed, pumping hydraulic fluid at a pressure of approx. 180 + 20 bar . The pressure is limited to 180 bar by a pressure limitation valve.

1998 Mercedes Benz SL 500 ETP – Electrical Test Program

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Filed Under (Mercedes-Benz) by admin on 09-08-2010

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A22s1 (8) Bow “closed” switch A22s2 (8) Bow “locked” switch A23s2 (8) Bow “locked” switch A25s2 (3) Right soft top compartment cover “locked” switch S21/8 (5) S21/9 (5) S83/1 (7) S84/1 (4) S84/2 (4) S84/3 (2) S84/4 (9) S84/5 (6) S84/6 (1) Right front door “window down” limit switch Left front door “window down” limit switch RB “retracted” switch Left front soft top “locked” switch Right front soft top “locked” switch Soft top “open” switch (soft top in storage compartment) Soft top “closed” switch (reed contact) Soft top compartment “open” switch Soft top fabric bow “raised” switch RST/RB hydraulic unit (power soft top) Relay Soft top/roll bar hydraulic unit connector Left power soft top valve block (4 connections) Right power soft top valve block (3 connections) A7/5 A7/5k1 A7/5m1 Motor A7/5×1 Y55/1 Y55/1y1 Soft top “closed”/fabric bow lock “open” valve Y55/1y2 Fabric bow “closed” valve Y55/1y3 Fabric bow “open”/soft top compartment cover “closed” valve Y55/1y4 Soft top compartment cover “open”/soft top compartment cover lock “open” valve Y56/1 Y56/1y1 Soft top “open”/front lock “open” valve Y56/1y2 RB “lower” valve Y56/1y3 RB “raise” valve

2002 Mercedes Benz ML 320 BRAKES ANTI-LOCK BRAKE SYSTEM (ABS) 4-WHEEL ELECTRONIC TRACTION CONTROL SYSTEM (4-ETS) ELECTRONIC BRAKE PROPORTIONING (EBP)

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Filed Under (Mercedes-Benz) by admin on 08-08-2010

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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

1995 Mazda MX-3 ANTI-LOCK BRAKE SYSTEM DESCRIPTION OVERHAUL

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Filed Under (Mazda) by admin on 22-06-2010

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See ANTI-LOCK BRAKE SAFETY PRECAUTIONS article in GENERAL INFORMATION. The Anti-Lock Brake System (ABS) control module senses reductions in front and rear wheel speed and modulates hydraulic pressure to the brakes to prevent wheel lock-up. The ABS consists of a hydraulic unit, 4 wheel speed sensors and sensor rotors, ABS relay (fail-safe relay and motor relay), pump motor and ABS control module. See Fig. 1. An ABS warning light is located on the instrument cluster. For more information on brake system, see BRAKE SYSTEM article. Fig. 1: Locating ABS Components (Typical) Application ABS Control Module Under Passenger Seat ABS Relay Left Front Of Engine Compartment Data Link Connector Left Side Of Engine Compartment Hydraulic Unit Left Side Of Engine Compartment Pump Motor On Hydraulic Unit