Removing Coolant Pump

Information 

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

1. Loosen the three fastening screws -arrows-  on the coolant pump pulley. Block the pulley with counter-hold tool Nr.38  or counter-hold tool Nr.193  if necessary or if the belt drive is removed.
   Fig 1: Identifying Coolant Pump Pulley Fastening Screws

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2. Loosen drive belt around the coolant pump. For details, see → 137819 REMOVING AND INSTALLING DRIVE BELT
3. Unscrew the three loosened fastening screws -arrows-  on the pulley and remove the pulley.
   NOTE: Incorrect handling of pulley

   • Risk of damage to pulley

   → The pulley is sensitive to impact. Do not pry off the pulley with a screwdriver.

   → Do not re-use a damaged pulley.

4. Loosen and unscrew the fastening screws -2-  on coolant pump -1-  .
   Fig 2: Locating Coolant Pump Fastening Screws

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5. Remove coolant pump -1-  (-arrow-  ).
   Fig 3: Removing Coolant Pump

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6. If the coolant pump is stuck, loosen it by gently tapping with a plastic hammer. → Loosening coolant pump with a plastic hammer 
   Fig 4: Loosening Coolant Pump Using Plastic Hammer

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