In article <fdjaovki5stg8ehlhdd81qprd2dogf69hn@4ax.com>,
downhill101@comcast.net wrote:

>I have a 1990 Accord 5spd that is vibrating when sitting at an
>idle.When I step on the gas and increase from the idle (750 RPM) to
>about 1000 RPM the vibrating stops. From what I have read, it sounds
>like I might have a broken motor mount. I checked the motor mounts and
>they all look ok Anyone have any Ideas. thanks Jim


Not exactly sure about a 90 with MT, but my 91 with AT supposedly had a
"hydraulic" MM.
At an idle, it "softens" to absorb vibration.
IIRC, It's the one toward the firewall???