Thread: Weird vibration

Assuming it's a Td5.
Have you replaced the centrifugal oil filter? It will continue spinning briefly after you turn off. If it's really old (as in someone doesn't know it's there), the bearing may be shot in it which may cause the vibration, although I've never heard anyone else talk about this.
The filter is in a cast aluminium housing on the RHS (looking from the front) of the engine not far from the turbo. It's quite cheap and an easy DIY replacement.... just DON'T over-tighten the bolts as they are VERY easily stripped.

Yes, sorry TD5 Auto. Cant believe I didnt post that info. I am aware of that filter. That is probably a good starting point. Ill give it a try in the near future.

Have you got air bag suspension?? It could be the air pump cycling.

Cheers,

Jason

No air suspension.

I happened again a couple of days ago and this time I noticed when I was beside another car I could hear a buzzing reflecting back at me. I quickly had a listen at my destination and i could barely hear it coming from right at the front of the car. Unfortunately I was working and had to stop and car. And 20 minutes later its fine and hasn't played up since.

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Originally Posted by singlecell

No air suspension.

I happened again a couple of days ago and this time I noticed when I was beside another car I could hear a buzzing reflecting back at me. I quickly had a listen at my destination and i could barely hear it coming from right at the front of the car. Unfortunately I was working and had to stop and car. And 20 minutes later its fine and hasn't played up since.

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A Bee trapped in your radiator?

Have you checked the electric radiator fan by hot wiring it?

Sometimes old fans get a dry bearing and sometimes can work properly but other times get up a chatter whine or squeak.
Regards Philip A

Originally Posted by e3j

A Bee trapped in your radiator?

Ill flush the system next weekend and let you know.

Originally Posted by PhilipA

Have you checked the electric radiator fan by hot wiring it?

Sometimes old fans get a dry bearing and sometimes can work properly but other times get up a chatter whine or squeak.
Regards Philip A

Well, I had thought it could be that fan. I assumed it would come on all the time when the aircon was switched on so I wrote that idea off earlier. Maybe it doesn't though. So I will try your suggestion. With any luck the nanocom can switch it on without me having to hot wire it. (I hope that doesn't sounds as lazy as it does to me....)

If it's a similar vibration to what I've had only once or twice in my year of ownership (and only hot days), the vibration came from engine bay. Somewhere near the master cylinder and back of the engine.
Still have no idea!

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