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Changing water pump --- pulleys as well ?

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Hello everyone,
I'm going to change the water pump and auxillary v-belt on my Gen 2. Should I change the water pump pulley? And/or the tensioner idler pulley as well? I'm thinking it would be a good idea, but is it necessary? Thanks, Mark.

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It's good practise to change idlers, tensioners etc. if the water pump is driven by the cam belt, so it's not necessary on the Prius, as it isn't. I would only change them if they have excessive play or are noisy.

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  • Club Hybrid Poll

  • 318 Hybrid Reliability

    1. 1. If you were to consider buying a Hybrid model over 5 years old, would you be worried about the reliability of the Hybrid system?

      • Not really as Hybrid systems are always reliable
      • Not if it had a Manufacturers Warranty on the Hybrid system
      • I would not buy a Hybrid model over 5 years old