Thread: The ultimate solution to Td5 vibration / knocking

Originally Posted by crossy999

...sounds too easy, or should I say cheap !
Any pointers where I can get one of these Phil ?

cheers anthony

Crossy

I have one here that I purchased in case my flex join was the same when I pulled the turbo.

Turns out mine us full diameter, so the new one isn't needed.

So PM me if interested.

Originally Posted by Franz

Phil, could you post up a pic of the stainless steel wire flex - thanks.

Franz

I have the harmonica looking one but am going to change just is case it is contributing to the slight vibration I have....

been looking at this thread with interest. as my TD5 with less than 20k on a new engine has the vibration at 2200 rpm
engine was replaced due to oil pump failure .

Originally Posted by dutchviking

OK - checking Microcat it is called a flywheel but also a GEAR CARRIER. So no dual mass flywheel in an autobox. That's cool. It means one thing less to worry about, correct? Still the vibration issue. The cause is the engine. You can soften it's effects by changing to new mounts. But it was not vibrating that much in the beginning (5 years ago), it worsened over time. Is that just caused by internal wear of the components like bearings and the like?

Check your transmission brake drum/shoes for rattle - they contribute a lot and the parking brake lever works as an antenna. See if it helps pulling the lever 1 or 2 clicks. I also found one of the oil cooler pipes being loose - tha clamp that holds both pipes in place was loose. Helped as well.

Martin

I recently did a bit of an overhaul of my TD5.
As part of it, I changed the front engine mounts, and a custom exhaust on. I had the down pipe solid, and then the flex put in just after the "bend" as it starts to travel rearward.

I also changed to a VNT turbo.

The vibration is now gone. I cant feel it. In fact, it had been a while off the road, and I was driving it around for a week until i noticed there was no vibration. I dont know which of the above was the major contributor, but, my engine mounts were collapsed, and the flex was bound to have contributed as well.

Following Urban Panzer's advice: www.discovery2.co.uk / Crankshaft pulley* / TV damper replacement as mine too does squeek as the engine stops, will replace the TV damper at the next occasion. Also found play on the rear propshaft UJ, so will replace that too. I can imagine the UJ wears out so soon having to cope with the vibes all of the time!

What I would love to hear is feedback from other readers about the actual vibration that can be felt around 2500 with gear in neutral on either propshaft. Ask the wife or a friend to sit in the D2 with autobox and have her/him revv the Td5 up to around 2500 rpm. I held the rear propshaft right after the parking brake. It buzzez/vibrates like hell. Had a friend with a 300Tdi Defender visiting yesterday, compared his propshaft vibes with mine - in the 300TDI occasion it is totally motionless with the friendly TDi tap that can be felt. Nothing like humming and buzzing like an angry wasp!

Martin, I seriously think you should sell and buy a V8. No vibe issues with the 8. I really do not think one can remove what is an inherent trait of the motor.