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Showing content with the highest reputation since 12/06/2019 in Tutorials

  1. 1 point
    Removing and installing drive belt - Cayenne Turbo Removal 1. Remove the front engine compartment cover. 2. Pull the cover of the throttle body vertically upwards. 3. Pull off the electrical plugs on the throttle adjuster 1 and unclip the cable. Then pull off the plug on the boost pressure sensor 2. Twist the two fastening bolts 3 through approx. ca. 45° in an counter-clockwise direction and pull out the bolts. 4. Loosen the hose clamps to the left and right on the bellows and pull off the bellows. 5. Pull off the Y pipe from the throttle body and pull off the hose on the Y pipe. To do this, press the button and pull off the hose. 6. Unclip lines underneath the Y pipe and remove the middle section. 7.Undo intake manifold on the air cleaner cover. To do this, turn the two fastening bolts through 180° and pull the bolts out in an upward direction. Then pull out the intake manifolds. 8. Remove the air line on the right air cleaner cover. To do this, unclip the green cap. Insert a screwdriver into the notch of the cap and lever the cap off. 9. Push the snap ring into the flange 1 and then pull it off together with the flange 2. 10. Clip the green cap on again after disassembly. 11. The coolant bleeder hose on the coolant expansion tank should be unclipped from the air cleaner housing cover of the cylinder bank 1 − 4. 12. Remove the air cleaner covers. To do so, loosen each of the two fastening clips on the top side and remove the cover from the engine compartment in an upward direction.<br> 13. Loosen the two fastening screws of the pressure pipes on the lock support. Note: Depending on the routing, the electrical cable belonging to the fans may have to be disconnected on the left side and laid to one side in order to access the fastening screws of the Y pipe. 14. Disconnect the electrical plug of the electric fan. 15. To do so, loosen the hose clamp on the bottom of the left hot film mass air flow meter and remove the component from the engine compartment. 16. To do this, loosen the two hexagon socket head bolts (a/f 5) of the pressure pipes. 17. Remove the two pressure pipes from the vehicle. 18. Disconnect the positive crankcase ventilation line 1 and the control lead 2 of the bypass valves on the disconnection point under the left deflection roller. 19. Mark the direction of movement of the drive belt with chalk. 20. Relieve and remove drive belt. To do this, use an open−ended wrench (a/f 30) to turn the belt tensioner clockwise and remove the drive belt from the tensioning roller. Relieve the belt tensioner slowly. 21. Remove the drive belt from all pulleys. Installation Note: The following diagram illustrates the complete belt threading course. The pulleys are numbered according to the sequence of fitting. 1. Make the belt into a loop and place over the crankshaft belt pulley behind the dipstick. 2. Place the top part of the belt loop over the coolant pump pulley 1. 3. Place the lower part of the belt loop around the crankshaft belt pulley at the bottom 2. 4. Guide the belt section from the coolant pump around the deflector wheel 3 on cylinder bank 5 − 8. 5. Then guide the section of the belt around the air conditioning compressor belt pulley 4 at the bottom. 6. Then lay a loop around the power pump 5. 7. Lay the loose end of the drive belt from the coolant pump downwards and around the generator belt pulley 6 and deflector roller 7 of cylinder bank 1 − 4. 8. Gather the belt section between the deflector roller of cylinder bank 1 − 4 and the crankshaft belt pulley to form a loop and guide it upwards to the tensioning roller 8. Use a wrench (a/f 30) to turn the tensioning roller 8 clockwise at the hexagon clockwise and put on the drive belt. Slowly relieve the tensioning roller. Fitting the drive belt 9. Check that the drive belt is positioned correctly on the pulleys. 10. Join the positive crankcase ventilation line 1 and the control lead 2 of the bypass valves on the disconnection point under the left deflection roller. 11. Insert the pressure pipe parts of the Y pipe into the charge air cooler to the left and right and tighten the two fastening screws to 10 Nm (7.5 ftlb.). 12. Install the left hot film mass air flow meter. Position the lower hose clamp and tighten it. Then connect the electrical plug. 13. Press the control lead on the bottom of the tubular pieces into the two fastening clips. 14. Connect the cables for the electric fans and clip into the holders. 15. Tighten the holders of the tubular pieces on the lock support. 16. Install the air cleaner covers. To do this, close the two fastening clips on the top side. 17. The coolant bleeder hose and the coolant overflow hose must be clipped back onto the cylinder bank 1 − 4 on the air cleaner housing. 18. Push the air suspension line onto the right air cleaner cover. 19. Press in the intake manifold on the air cleaner in the air cleaner cover. Then insert the two fastening bolts and turn them through 180°. 20. Press the rubber T-piece into the plastic clip on the underside of the Y pipe. Then fit the hose at the bottom. 21. Attach the line to the underside of the Y pipe. 22. Slide the Y pipe onto the throttle body. Insert the two fastening bolts 3 and turn them clockwise through 45°. Fit the electrical plug for the boost pressure sensor 2 and the electrical plug for the throttle adjuster 3. 23. Slide the bellows onto the tubular pieces to the left and right and tighten the hose clamps. 24. Press the four rubber elements in the cover onto the four ball socket holders. The fastening elements must be felt to engage. 25. Install front engine compartment cover.
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