F1 TD4 rear lower engine/gearbox mount/steady

Whistler · Apr 9, 2018

Has anyone had experience of one of these failing ? I had an oil leak on my TD4 that soaked this mount/bush for a while and there seems to be a lot of play in the bush and the engine/gearbox seems pretty free to waggle about, shaking the gearstick under load.
The part number is KKH000070 which is TD4 specific (making it more expensive of course) - but it looks identical to the 2.0Di and 1.8i one - is there really a difference ?

GrumpyGel · Apr 9, 2018

Strange because although the brackets supporting the IRD for the TD4, 1.8 & DI will be different - you would have thought the IRD would be located in exactly the same position relative to wheels and therefore the tie bar would be the same (as in 1.8 & DI). However, when LR "improved" the parts and gave them a new part number, the old one is superseded to the new one, and that's not the case with these parts - so it does indicate that they are incompatible in some way.

I wonder if the M47 is a wider block so the IRD sits a bit further back meaning it needs a shorter tie bar?

Nodge68 · Apr 9, 2018

GrumpyGel said:
Strange because although the brackets supporting the IRD for the TD4, 1.8 & DI will be different - you would have thought the IRD would be located in exactly the same position relative to wheels and therefore the tie bar would be the same (as in 1.8 & DI). However, when LR "improved" the parts and gave them a new part number, the old one is superseded to the new one, and that's not the case with these parts - so it does indicate that they are incompatible in some way.

I wonder if the M47 is a wider block so the IRD sits a bit further back meaning it needs a shorter tie bar?

The K series has an additional mass on it. As far as I know all the lower tie bars have the same physical dimensions but the larger bushes rubber is of a different hardness

Whistler · Apr 10, 2018

Thanks for both replies, I suppose its best to stick with the TD4 one.

Nodge68 · Apr 10, 2018

Whistler said:
Thanks for both replies, I suppose its best to stick with the TD4 one.

Yes. But if the large bush has gone soft (very common) then replace it.

Whistler · Apr 11, 2018

As soon as I can find one at a beggars price I will

Arctic2 · Apr 26, 2018

Maybe to late now as you most likely have sorted the mount out, but you can use these below.
https://www.ebay.co.uk/itm/Powerfle...e=STRK:MEBIDX:IT&_trksid=p2055119.m1438.l2649

They come in three colours yellow, red, & black,
https://www.ebay.co.uk/itm/Rover-20...e=STRK:MEBIDX:IT&_trksid=p2055119.m1438.l2649

Whistler · Apr 26, 2018

No, I don't have one yet, thanks very much for the info !

Nodge68 · Apr 27, 2018

Whistler said:
No, I don't have one yet, thanks very much for the info !

Keep in mind that the polyurethane bushes don't absorb as much engine vibration as the rubber. However they do improve power unit stability by a huge margin.

F1 TD4 rear lower engine/gearbox mount/steady

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