bleeding air from audi clutch
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Filed Under (Toyota) by admin on 04-06-2011
Some customers may complain about a “squeak” or “creak” noise when depressing or releasing the clutch pedal. The clutch master cylinder clevis assembly has been improved to eliminate this condition. Repair Procedure 1. Record all radio presets before starting. 2. Disconnect the negative (–) battery terminal cable. 3. Remove the clutch pedal sub–assembly. A. Remove the front door opening trim LH (scuff plate). B. Remove the cowl side trim board. C. Remove the instrument panel finish panel lower No. 1. D. Remove the driver’s side Junction Block. E. Remove the turnover (compression) spring. F. Remove the bolt attached to the instrument panel reinforcement assembly. G. Remove the clutch pedal sub–assembly. a. Remove the bolt and nut. b. Remove the clutch pedal from the clutch pedal support. 4. Remove the clutch pedal spring holder from the clutch pedal support. 5. Remove the clutch pedal pad. 6. Remove the two (2) clutch pedal bushes from the clutch pedal. 7. Remove the clutch pedal shaft collar. 8. Using needle–nose pliers, remove the No. 1 cushion from the clutch pedal. 9. Install the clutch pedal No. 1 cushion on the NEW clutch pedal sub–assembly. NOTE: Install parts on the NEW clutch pedal sub–assembly BEFORE installing in the vehicle. 10. Install the clutch pedal shaft collar. A. Apply MP grease to the clutch pedal shaft collar. B. Install the clutch pedal shaft collar onto the clutch pedal. 11. Install the clutch pedal bushes. A. Apply MP grease to the two (2) NEW bushes. B. Install the two (2) bushes onto the clutch pedal. 12. Install the clutch pedal pad. 13. Install the clutch pedal spring holder. A. Apply MP grease to the contact surface of the clutch pedal spring holder. B. Install the clutch pedal spring holder. 14. Remove the clevis sub–assembly. A. Measure length “A” of the clutch master cylinder. a. Measure length “A” between the lock nut and the thread end with a ruler. b. Record length “A”. B. Remove the clevis sub–assembly from the master cylinder. a. Loosen the lock nut. b. Rotate and remove the clevis sub–assembly. 15. Install the NEW clevis sub–assembly. A. Rotate the lock nut to match length “A”. B. Rotate and install the NEW clevis sub–assembly to contact the lock nut. C. Tighten the lock nut and torque to specification. Torque: 11.8 NSm (120 kgfScm, 8.7 ftSlbf) D. Apply MP grease to the ball end of the clevis sub–assembly where it will contact the clutch pedal. 16. Install the NEW clutch pedal sub–assembly. A. Install the clutch pedal onto the clutch support with the bolt and nut. Torque: 34 NSm (347 kgfScm, 25 ftSlbf) HINT: Install the bolt from the left side of the vehicle. B. Apply MP grease to the clutch pedal sub–assembly where the clevis sub–assembly contacts the clutch pedal. NOTE: Failure to apply grease to the clevis and clutch pedal sub–assemblies could cause the noise to return. C. Tighten the bolt to the instrument panel reinforcement assembly. Torque: 8 NSm (82 kgfScm, 6 ftSlbf) 17. Install the turnover (compression) spring. A. Apply MP grease to the contact surface of the spring holder, clutch pedal, and spring. B. Install the spring onto the clutch pedal and spring holder.
Filed Under (Oldsmobile) by admin on 10-04-2011
Refer to Engine Controls Schematics MAF, Secondary Air Injection Pump Bypass Solenoid, IAC and Secondary AIR Pump . Circuit Description The AIR pump is used on this vehicle to lower tail pipe emissions on start-up. The powertrain control module (PCM) grounds the AIR pump relay control circuit, which energizes the AIR pump. The PCM also grounds the AIR solenoid valve control circuit, which energizes the AIR solenoid valve. The AIR solenoid valve opens allowing manifold vacuum to open the AIR control valves. The PCM enables both control circuits when AIR system operation is desired. When the AIR system is active, the AIR pump forces fresh air into the exhaust stream in order to accelerate catalyst operation. The AIR control valves replace the conventional check valves. When the AIR system is inactive, the AIR control valves prevent air flow in either direction. DTC P0412 applies to the AIR solenoid control circuit. DTC P0418 applies to the AIR pump relay control circuit. DTC P0410 sets if an air flow problem is detected. The PCM will run two tests using the heated oxygen sensor (HO2S) voltage to diagnose the AIR system. Both tests have two parts. The passive test is performed during regular AIR pump operation. The passive test consists of the following: Passive Test Part 1 When the AIR system is enabled, the PCM monitors the HO2S voltage. If the HO2S voltage goes below a threshold, the PCM interprets this as an indication that the AIR system is operational. Passive Test Part 2 When the AIR system is disabled, the PCM monitors the HO2S voltage. The HO2S voltage should increase above a threshold and switch normally. If both of these tests indicate a pass, no further action is taken. If one of the above tests failed or is inconclusive, the diagnostic will proceed to test two. The active test is performed specifically for diagnostic purposes. Test two consists of the following: Active Test Part 1 During this test the PCM turns the AIR system on during closed loop operation. When the AIR system is activated, the PCM monitors the HO2S voltage. If the AIR system is operating properly, the HO2S voltage should go below a predetermined threshold. Active Test Part 2 The PCM turns the AIR system off. The HO2S voltage should return to above a rich threshold.
Filed Under (Ford) by admin on 08-03-2011
Removal CAUTION: Remove the entire clutch hydraulic system from the vehicle as an assembly when installing a new clutch master cylinder assembly (7C522). 1. Disconnect the clutch hydraulic tube from the dash clip. 2. Raise and support the vehicle. For additional information, refer to Section 100-02. 3. Unlock and remove the slave cylinder (7A564) from the transmission. Compress and twist the slave cylinder to unlock it from the transmission. 4. Disconnect the clutch hydraulic tube from the floor pan clip. Position the slave cylinder and hydraulic tube forward below the left engine bank. This will make it easier to unlock the clutch master cylinder from the clutch pedal and support bracket (7B633) by reducing tension on the hydraulic tube. 5. Lower the vehicle. 6. WARNING: The clutch pedal is under spring tension. Unlock the push rod bushing retaining clips and separate the clutch master cylinder push rod from the clutch pedal. 7. Remove and discard the push rod bushing (7526). 8. Remove the switch cover, and remove the clutch pedal position switch (7C534) from the clutch master cylinder push rod. 9. Separate the power distribution box from the bracket to gain access to the clutch master cylinder. 10. Unlock and remove the clutch master cylinder from the clutch pedal and support bracket. Compress and twist the clutch master cylinder clockwise 45 degrees to unlock it from the clutch pedal and support bracket. 11. Remove the clutch hydraulic reservoir from the wiring tray and separate the clutch hydraulic tube from the brake master cylinder assembly. Position the clutch hydraulic reservoir aside. 12. CAUTION: Brake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, wash the surface with water immediately. Remove the clutch hydraulic system from the vehicle. 13. Clean the clutch hydraulic system components to prevent contaminants from entering the hydraulic system. 14. CAUTION: Place a suitable container under the clutch master cylinder. Disconnect the hydraulic tube from the clutch master cylinder. 1. Using a 3/32-inch punch and a hammer, drive out the roll pin, and discard it. 2. Disconnect the hydraulic tube from the clutch master cylinder.
Filed Under (Subaru) by admin on 02-01-2011
Removal of Factory Intake 1. 2. Turn the ignition OFF and disconnect the vehicle’s negative battery cable. Loosen and remove the two bolts that secure the air inlet duct to the radiator core support, then remove the air inlet duct. Loosen the clamps at the air cleaner assembly and turbo inlet tube, then remove the stock intake tube. Loosen and remove the two bolts that secure the air cleaner assembly. Pull upwards to remove the air cleaner assembly. Using the bolt removed to secure the ABS control bracket. Loosen and remove the two screws that secure the mass air sensor to the air cleaner assembly, then remove the mass air sensor. Raise the vehicle and support with the jack stands, then remove the front passenger side tire. Remove the five plastic push/screw clips that secure the inner wheel house valance. Remove the 6 screw in push clips that secure the air duct to the lower valance, then remove the air duct. Remove the two remaining push clips that secure the lower valance, then pull the valance down. From inside the apron, remove the push clip that secures the apron to the upper fender. Remove the hex nut that secures the air intake resonator to the inner fender. Loosen and remove the second hex nut that secures the air intake resonator from underneath the vehicle. Remove the air intake resonator. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. Install of Intake 16. Install the reducer and clamps onto the turbo and secure. 17. Loosen and remove the hex bolt on the cam cover. 18. Using the provided allen bolts, secure the mass air sensor into the adapter on the intake tube. 19. Using the allen bolts, secure the mass air sensor into the adapter on the intake tube. 20. Slide the intake tube into the reducer and secure the mass air sensor into the adapter on the intake tube. 21. Tighten the clamp on the intake tube. 22. Install the reducer and clamps onto the intake tube. 23. From underneath the vehicle loosen and remove the hex nut that secures the ABS pump to the inner fender. 24. Slide the cold air tube intake tube from underneath the vehicle into the hole in the inner fender, then line up the bracket with the ABS bolts, and tighten with the nut remove. 25. Slide the reducer onto the cold air intake tube. 26. Install the Bomz Filtercharger onto the cold air intake tube and secure with clamp. 27. Reverse the removal process for the plastic wheelhouse valance and air duct with the stock push clips. 28. Reconnect the mass air sensor electrical connection. 29. Reconnect the negative battery cable and double check to make sure everything is tight before starting the vehicle. Resetting the ECU This is to be completed at your own risk. This procedure will reset the computer so that it may “learn” of your new intake. We are not to be held liable for any mishaps that you may occur while completing this process. • • Disconnect the Negative battery cable for 5 minutes. Reconnect the battery cable and false panel cover.
Filed Under (volkswagen) by admin on 30-06-2011
SYSTEM OPERATION CHECK An air bag light is located on left side of instrument cluster. Air bag light is used to indicate readiness of system. Light glows when ignition switch is on or engine is started. Light should stay on about 3 seconds while air bag control unit performs an electronic test of system. If air bag light does not glow when ignition is on or does not go out after 3 seconds, a fault probably exists in system. If a fault occurs while ignition is on, it is stored in fault memory. Warning light will then glow and air bag system will be switched off. If warning light glows or flickers while driving, air bag system should be tested. See DIAGNOSIS & TESTING in appropriate AIR BAG RESTRAINT SYSTEM article in ACCESSORIES/SAFETY EQUIPMENT section. * * ADJUSTMENTS AIR BAG SPIRAL SPRING To center spiral spring assembly, turn spring assembly 3 turns from stop in either direction. REMOVAL & INSTALLATION WARNING: Failure to follow air bag service precautions may result in air bag deployment and personal injury. See SERVICE PRECAUTIONS. After component replacement, perform a system operational check to ensure proper system operation. See SYSTEM OPERATION CHECK. AIR BAG MODULE Removal 1) Before proceeding, follow air bag service precautions. See SERVICE PRECAUTIONS. Disable air bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM. 2) Air bag module is located in steering wheel. See Fig. 1. Remove air bag module Torx head screws from rear of steering wheel. Lift off air bag module from steering wheel, and tilt air bag module downward. Disconnect air bag module connector. AIR BAG RESTRAINT SYSTEM – 1995 AIR BAG RESTRAINT SYSTEM – 1996