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Thread: Motor mount to Timing cover question

  1. #1
    Registered Member

    Mazda, 3 2.0l

    Join Date
    Feb 2017
    New Mexico

    Motor mount to Timing cover question

    My significant other called me and said her car was sounding funny....
    I checked under the hood, and sure enough, the Passenger Side motor mount had gone south.
    The thing is, The bolts (studs) are still in the mount but the mount has pulled away from the motor.
    ...looks like the timing cover failed between the threaded mounting holes and some of the casting has gone away with the fasteners.
    Is my guess correct? Does Mazda's 2.0 use the timing cover as a mounting point for the passenger side engine mount?

    The bigger question, I think, is... can I replace the part in the backyard? (I have some reasonable skills and a bit of shelter)

    Thanks to the community, for any help you folks can give.

  2. #2
    Mazda5 the Anti-Van thaxman's Avatar

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    Apr 2009
    06 Mazda5 Touring 5MT
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  3. #3
    Registered Member


    Join Date
    Jul 2015
    Golden, CO
    Any update on this?

  4. #4
    Registered Member

    Mazda3 Sport GS-Sky 2012

    Join Date
    Sep 2014
    I had an engine mount failure in my 2012. It was replaced by the dealer under warranty, but that was a couple of years ago.

    What year is this car? There are lots of detail differences - including a completely different 2.0 L engine - depending on the year.

    For any engine, in any model, of any year, I would be very surprised if anyone attached an engine mount to a valve cover - or even to a cylinder head - in a production car. The valve cover is not strong enough, and maintenance would be unreasonable if the mount had to be removed for access to the valvetrain. The mount can be very high, and although bolted to the engine block it might look like it is attached to the valve cover.
    Last edited by BrianM3GS; 04-16-2017 at 02:04 AM.

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