Replace rear engine mount

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Christian G., Jun 9, 2021.

  1. Christian G.

    Christian G. New Member

    Joined:
    Jun 9, 2021
    2
    0
    0
    Location:
    Stuttgart, Germany
    Vehicle:
    2012 Prius
    Model:
    N/A
    Hi there,
    I've been trying to replace the rear engine mount on my 2012 Prius.
    Loosened all the nuts and bolts. Had to use a really long extension for the bolt that goes sideways through the mount.
    However, I was unable to remove the mount since there just wasn't enough clearance in any direction to get it out.
    In the Toyota repair manual, removing the mount is only mentioned in the process of removing the whole engine, so that wasn't really helpful.
    I found this TSB 0204-11 https://priuschat.com/attachments/t-sb-0204-11-pdf.33889/ that states you basically just have to unscrew the old mount and put in the new one... no extra steps mentioned. So I'm a bit confused why that didn't work.
    If anybody has replaced their rear engine mount, any hints on how you did it would be greatly appreciated.

    Christian
     
  2. JC91006

    JC91006 Senior Member

    Joined:
    Nov 10, 2013
    15,114
    7,759
    0
    Location:
    Los Angeles, CA
    Vehicle:
    2010 Prius
    Model:
    V
    Getting it out is a lot easier than getting it back in (without removing engine). I remember having to take apart the engine mount (I think it's in 2 pieces) and then wiggling it through the gaps. It was a royal pain
     
    #2 JC91006, Jun 9, 2021
    Last edited: Jun 9, 2021
  3. The Critic

    The Critic Resident Critic

    Joined:
    Oct 28, 2005
    3,147
    2,258
    0
    Location:
    CA
    Vehicle:
    2011 Prius
    Model:
    Three
    I did this job recently, it was a pain - but only because I was trying too hard. ;)

    In summary, the TSB is correct.

    The trick is to assemble the rear mount and bracket together on the bench, install the center bolt, but leave the center bolt loose. DO NOT remove the side engine mount; leaving this on is critical for the powertrain to be angled properly. Wrestle the rear engine mount in. If needed, remove the three fasteners for the front engine mount to give the powertrain more play.
     
    Mendel Leisk, JC91006 and Raytheeagle like this.
  4. Christian G.

    Christian G. New Member

    Joined:
    Jun 9, 2021
    2
    0
    0
    Location:
    Stuttgart, Germany
    Vehicle:
    2012 Prius
    Model:
    N/A
    Glad to hear that it can be done without removing the engine.
    But how did you access the bolts that hold the bracket to the transmission? Aren't they blocked when the engine mount and center bolt is installed?
     
Loading...