WE RECENTLY bought a 1991 2.6-litre Magna TR Executive auto sedan with 244,000km. Test driven, there was a severe idle vibration, but the mechanic who checked it found the aircon fully on due to a faulty switch. Fixing this lessened the vibration, but the mechanic said early Magnas were well known for their idle vibration. The vibration is still a problem despite a recent service, though putting the trans into neutral reduces it to a negligible level. But, in drive, the idling engine vibration makes the steering wheel oscillate quite savagely. Is this usual, or is there something that needs attention?
I WOULD suspect the engine mounts, which are renowned for degrading and causing vibration on the TR Magna. This tends to be worse in autos. Put the trannie in drive and drive forward, noting the level of vibration. Then put it in reverse and drive backwards. If vibration is less when in reverse, start looking at the engine mounts.
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