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Hi, I have a 2002 civic LX and ive had a vibration problem since i bought it 3 months ago. It gets worse when operating the windows and also pulses to timing of the signal light when turned on. I have replaced all the engine mounts and spark plugs, cleaned the throttle body and IAC valve, replaced the PCV valve, replaced the air intake system with a short ram intake, replaced the exhaust manifold/catalytic converter/ muffler, replaced a couple bad grounds, and replaced fuel pump & fuel filter. nothing has helped. can anybody help me? i have no clue what it could be.

 
Rep Power: 222

Checked engine mounts? alternator and belt

 
Rep Power: 518

Maybe it's normal for the car. The previous owner didn't have an issue with it (apparently)
It's a 4 cylinder and it DOES vibrate.....and loading an engine at low RPM causes even more vibration.

Compare to a similar car that has no complaints, see if your car is comparable or not. Aftermarket mounts are usually crap, they usually aren't as soft as factory mounts and tend to transmit much more of the engine vibration into the body.

 
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Thanks everybody, I think I must've just bought shitty motor mounts. I went economy. Can anybody recommend a good brand for ride quality? I couldn't care less about performance, I just want a smooth ride.

 
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Strange post.

 
Rep Power: 518

Price a set of mounts from HONDA
The vibration issue probably won't seem all that bad once you know how much good mounts cost


Also, look up how to neutralize your mounts and see if doing that helps any

 
Rep Power: 229

You did all four mounts right? Two engine mounts and two torque mounts?

There's also the shifter linkage bushings and shifter base bushings, on manual transmission, which can vibrate.

As well , window seals can go and you'll hear a higher pitched rattle, unlike a mount sound, but similar. (My car rattles bad in the rear window in winter)