"Tinkerntom" wrote in message
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No Spam wrote:
"Tinkerntom" wrote in message
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I should also know better than to try responding to a sideways
post, in
the middle of the night, after a long day of working on a broken
down
car. I broke a motor mount with collateral damage on the way home
Friday. I had thoughts of even getting to the lake this weekend,
and
that all changed in a loud bang and then some very nasty grinding
sounds.

What kind of car did you break a mount in, that caused other
problems? I had
not broken one in many years after having an early 70s Chrysler that
ate
them for breakfast. Until recently, that is, when my wife's
Bonneville
(since traded for a Jeep) broke the front one. It had the same
problem as
that early Chrysler. There was no limiter to keep the rubber from
over-extending. On many others in between these 2 cars I noticed that
they
had a lip that would prevent over extension and then if the rubber
did break
it would prevent collateral damage by keeping the engine from moving
beyond
the limits of other components. I think the engineers either forget
the
lessons learned or they are so hard pressed to save money, space and
weight
that they make sacrifices. Rubber holding hundreds of ft/lbs of
torque in
place is a poor place to save a few ounces or cents. IMO

Ken

Dodge Grand Caravan, 3.3 L engine, Left side mount. The engine dropped
and moved to the right about 1.5 inches. the left side constant
velocity drive shaft pulled apart and self distructed.

I had a spare shaft that I put on, before I figured out about the motor
mount, and it lasted about 20 ft before coming apart as well. That's
when I began to figure there was something else wrong than a bad CV
joint. I am a fast learner!

When I got it all jacked up you could see the rear mount all dropped
down and pushed to the right. I figure the pop I heard at first, was
the mount breaking, then the grinding was the knuckle joint coming
apart. I hope I did not damage the tranny? TnT

Yeah, if you pulled one apart you were driving the opposite side shaft into
the tranny. Hopefully it has a bearing that can take the side load without
harm. You should know in the next 3k miles or so. Wish you luck. If they had
limiters built into the mount you would have just needed the mount.

Ken