Removing and Installing Coolant Pump

Removing and installing coolant pump

Preliminary work





1. Drain cooling system.





2. Remove the radiator frame.

Information

Component overview for coolant pump











Removing coolant pump





1. Separate the electric connection from the throttle adjuster. To do this, press on the plug at the top and bottom and, at the same time, pull it off. Unclip the cable from the sheetmetal holder.





2. Remove the throttle adjuster.





Note: To ease removal, spray the pulley from the rear side with an anti-corrosion agent.

3. Unscrew the three fastening screws on the coolant pump pulley. Wrench size is T 40.





4. Remove the drive belt from the coolant pump pulley. Mark the direction of running of the drive belt with chalk.





5. Use an open-ended wrench (a/f 30) to turn the belt tensioner clockwise and, at the same time, remove the drive belt from the tensioning roller. Relieve the belt tensioner carefully. Remove the drive belt from the coolant pump.





ATTENTION Risk of damaging pulley!
^ The pulleys of the engine accessories are made of plastic. Do not use damaged pulleys.
^ The pulley is sensitive to impacts.
^ Do not prise off the pulley with a screwdriver.

6. Remove the 3 loosened fastening screws on the pulley and remove the pulley.








7. Remove the eight fastening screws on the coolant pump and remove the pump. If the pump is stuck, loosen it by gently tapping with a plastic hammer.

Installing coolant pump

ATTENTION Risk of damaging pulley!
^ The pulleys of the engine accessories are made of plastic. Do not use damaged pulleys.
^ The pulley is sensitive to impacts.
^ Do not prise off the pulley with a screwdriver.





1. Clean sealing surfaces. Mount new sheetmetal seal on the coolant pump. Slide the new sheetmetal seal over the dowel pins.





2. Tighten the 8 fastening screws. Tightening torque: 7.5 ft-lb. Mount the sheetmetal holder for the cable duct using the two upper fastening screws.
3. Fit the pulley on the coolant pump. Screw in the three fastening screws by hand.
4. Mount drive belt -as shown in the following-. To do this, turn the belt tensioner clockwise and thread the drive belt around all the pulleys. Then carefully relieve the tensioning roller.





5. Check whether the drive belt is correctly installed.





6. Tighten the three fastening screws of the coolant pump pulley. Tightening torque: 17 ft-lb.





7. Tighten the throttle adjuster with new seal. Tightening torque: 17 ft-lb.





8. Connect the throttle adjuster. The connector must engage audibly. Clip the connecting cable into the sheetmetal holder.

Subsequent work

1. Install the radiator frame.
2. Fill and bleed the cooling system according to instructions.