Removing Coolant Pump

Information 

The pictures and graphics shown may differ from the original depending on engine variants, additional equipment and/or country specifications.

However, the technical accuracy of the specifications is guaranteed.

Information 

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

1. Remove air guide at the radiator frame.
   1. 1.1 Remove clips -2-  .
   2. 1.2 Remove air guide -1-  by pulling it upwards.

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   Upper radiator frame air guide (Figure V6 Biturbo)

2. Remove coolant pipe -1-  .
   1. 2.1 Unscrew and remove fastening screws -2-  .
   2. 2.2 Remove coolant pipe -1-  .

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   Coolant pipe coolant pump

3. Remove pulley -1-  .
   1. 3.1 > T10172A - Counter-hold tool  must be fitted on the pulley -1-  , then unscrew fastening screws -2-  .
   2. 3.2 Remove belt pulley -1-  .

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   Coolant pump belt pulley

4. Remove coolant pipe -1-  over the coolant pump.
   1. 4.1 Unscrew and remove fastening screws -2-  .
   2. 4.2 Disconnect coolant pipe -1-  from the cylinder head at the right and from the shut-off valve.

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   Coolant pipe on cylinder head

5. Remove coolant pump -9-  .
   1. 5.1 Pull off vacuum hose -8-  .
   2. 5.2 Unscrew fastening screws -1 to 7-  one after the other in this sequence.
   3. 5.3 Remove coolant pump -9-  . Catch escaping coolant.
   Fig 1: Coolant Pump Screws Loosening Sequence

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   Fastening screws for coolant pump