1. Attachments are working again! Check out this thread for more details and to report any other bugs.

Does engine flush recommended after head gasket replacement?

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by ttou68, Apr 20, 2020.

  1. ttou68

    ttou68 Active Member

    Joined:
    Sep 9, 2017
    340
    198
    0
    Location:
    40509
    Vehicle:
    2010 Prius
    Model:
    III
    Hi all, for some reason Prius Chat app on my phone doesn't return mush search results as it would with a computer and browser...

    I recently replaced head gasket in a 2010 Prius and I could seem to find any recommendations on if an engine flush is recommended after head gasket replacement...

    Car is currently running smoothly with fresh oil and filter, and I know I probably need to change oil and filter soon just to drain any debris may still in the system out.

    My question is how long do I need to drive it before 2nd oil change and some had mentioned an engine flush is during my search. If so, which brand is recommended?

    Thank you all in advance for replying!






    Posted via the PriusChat mobile app.
     
    #1 ttou68, Apr 20, 2020
    Last edited: Apr 20, 2020
  2. Dxta

    Dxta Senior Member

    Joined:
    Nov 7, 2016
    1,932
    766
    0
    Location:
    Lagos
    Vehicle:
    2008 Prius
    Model:
    II
    I think its dependent on the conditions of the valve train internals, when the gasket was replaced.
     
  3. ttou68

    ttou68 Active Member

    Joined:
    Sep 9, 2017
    340
    198
    0
    Location:
    40509
    Vehicle:
    2010 Prius
    Model:
    III
    It was just replaced, I've driven 5 miles since head gasket replacement..
    I bought this vehicle knowing I'll be replacing the head gasket, and did so. So far everything is running well, and I have OBDII hooked up while I drove and all temperature is good..
    Posted via the PriusChat mobile app.
     
  4. The Critic

    The Critic Resident Critic

    Joined:
    Oct 28, 2005
    3,193
    2,319
    0
    Location:
    CA
    Vehicle:
    2011 Prius
    Model:
    Three
    Just change the oil after 500 miles.
     
    Raytheeagle and ttou68 like this.
  5. ttou68

    ttou68 Active Member

    Joined:
    Sep 9, 2017
    340
    198
    0
    Location:
    40509
    Vehicle:
    2010 Prius
    Model:
    III
    Thank you!
    Posted via the PriusChat mobile app.
     
  6. mypriuscious

    mypriuscious Member

    Joined:
    Nov 25, 2013
    205
    70
    1
    Location:
    Cincinnati, Ohio
    Vehicle:
    2010 Prius
    Model:
    III
    Do you mean change the oil? Or Flush the Radiator fluid? Because the Antifreeze would have been "flushed" with the removal of the head gasket.

    All liquids should have been removed before the head was removed.
     
  7. ttou68

    ttou68 Active Member

    Joined:
    Sep 9, 2017
    340
    198
    0
    Location:
    40509
    Vehicle:
    2010 Prius
    Model:
    III
    Both engine oil and coolant were drained before head gasket replacement, my question was if I should and how soon should I drain or flush engine oil after head gasket replacement...

    Posted via the PriusChat mobile app.
     
  8. Gasket masters

    Gasket masters New Member

    Joined:
    Jul 29, 2020
    3
    4
    0
    Location:
    Manteca ca
    Vehicle:
    2012 Prius
    Model:
    N/A
    It