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11

Motor mounts should last longer than that. They normally break when you put a lot of stress on them, such as hitting a raised railroad crossing going too fast. Sometimes they'll break if there is a lot of vibration in the engine, but you would notice that. Since they went out that fast, a couple of possibilities are (1) the new mounts didn't get put on ...


7

Most likely, one of the engine mounts are 'torqued'. You can try and neutralize the mounts. Loosen the through bolts of all mounts several (4-5) turns. Then start the car, and drive back and forth several feet (using quick taps on the gas and not just idling) over and over, and let it rest at idle a few seconds before turning off the engine. Now tighten all ...


5

Were all of the engine mounts replaced or just the broken ones? It's possible that you're replacing engine mounts whilst not replacing other engine mounts which could be making your motor slightly vibrate which will further stress the other mounts and break them. It takes just one bad mount to break the rest of them. Are you thrashing your car by any ...


4

If "injector cleaning" products helped but only lasted for one tank, I would try spraying Seafoam directly in at the throttle plate rather than putting an additive in your fuel. This should be a lot more effective at cleaning the injectors. If that doesn't help, my best guess would be that the vibration is from unequal power from one or more of the ...


4

It'd be worth looking for additional items that need to be addressed that could be causing extra strain on your motor mounts. For example on my vehicle, there are the two front motor mounts underneath the engine. Then there is a third one that depending on who you talk to will call it a rear motor mount, transmission mount or transmission isolator. Since ...


3

Make sure the squeaking is coming from the motor mounts. I had an issue that I thought was the motor mounts and so I replaced them. The rattling was gone. However over time it came back and got worse. Then the balance shaft broke into pieces and it was clear that the shaft was the problem from the beginning.


2

Sounds like the Idle Air Control Valve and the Intake Manifold must be removed and cleaned. The vibration is worse when in gear than in neutral In gear there is a much greater load on the engine. Power is being transfered to the transmission and then to the wheels. This is going to cause the idle to drop a bit and this is where you'd feel the most ...


2

You replaced the engine mounts? I would guess that since you had to change the engine mounts that there is a good chance that the tranny mounts may need to be changed as well...what is the drivetrain assembly like in that car since it is fwd, sometimes if the driveshaft in a rwd car is unbalanced it will cause the car to shake


1

The usual things to look at are: are they using factory parts, or aftermarket? what type of warranty are they offering? what qualifications or experience do their mechanics have? These can make a great deal of difference. Personally, I always go with factory parts, and factory trained mechanics - it is more expensive, but the warranty on parts and ...



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