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Following on from my earlier post about loud creaking noises from the rear suspension on my 2009 X250 Peugeot Boxer based m/home, I took it in to the local dealer (Budgens in Shrewsbury) for the third time, but they just won't get interested or involved as apparently noises are not covered by warranty, and they don't want to get involved in work that they won't get paid for - sort of understandable from their point of view, but ridiculous and annoying for the owner of a new and expensive motorhome who doesn't want to have to pay for putting right a fault that has existed from delivery day.
Anyway, by means of lying on the floor with my head hanging out and looking under the vehicle while my wife drove the van back and fore over a hump, I found that the creaking is definitely coming from the rear leaf spring bushes, as previously expected.
I took the pins out, applied copper grease to pins and hangers, and reassembled - still creaking. However, I discovered that if the nuts on the pins are left slightly loose, the creaking completely disappears, so obviously I'm on the right track. But obviously leaving these nuts loose is not an acceptable solution to the problem, so where do I go from here?
From my experience I would agree with the above post regards tightening the bushes. The part of the bush that's meant to move is the flexible rubber/urethane part. The outer & inner sleeve are fixed to the vehicle. Try tightening everything up to the correct torque & see what happens.
Is the hanger actually meant to nip up tight against the inner sleeve of the bush (which the mounting bolt slides through)? I would have thought the movement should be inside the sleeve on the bolt? I wouldnt have thought the rubber itself would last too long being 'torn' about inside the bush? Theres obviously some friction in the hangers somewhere that plainly shouldnt be there.
Its the rubber bushs rubbing the shackle plates, when the bolts are loose the bush is not rubbed, apply brake fluid to the bushes and let seep in, you may have to do it once a year
Loddy
______________________________________________________________ We are put on this earth not to weather the storm
but to learn to dance in the rain
I have recently had my front leaf springs replaced ( due to upplating ) on my merc apache 207d, 1985
Since then they too have made the most awful creaking sound.
I too would be pleased to recieve advice on this.
Is the hanger actually meant to nip up tight against the inner sleeve of the bush (which the mounting bolt slides through)? I would have thought the movement should be inside the sleeve on the bolt?
I'm of the opinion that the movement takes place in the rubber part of the bush. The inside inside of the bolt or bush sleeve won't last long if they're moving independently. If you consider the way in which the bushes are positioned, if the rotational movements of the outer part of the bush are allowed to rotate the inner sleeve it will be creating a wear point between the inner sleeve & the bolt. And also between the ends of the inner bush & the adjacent mounts on the drop links/chassis cheek plates.
Copper grease (Coppaslip) is not a lubricant. It's an anti-seize compound. I personally would'nt put any hydrocarbon based products on the rubber part of the bush.
Please don't take any of this at face value as it is only my own opinion & I'm in no way qualified to offer defacto advice.
Do yuo know what the torque settings are for the bolts that go through the bushes. Therein may lie a clue.
Its the rubber bushs rubbing the shackle plates, when the bolts are loose the bush is not rubbed, apply brake fluid to the bushes and let seep in, you may have to do it once a year
Loddy
If thats whats happening here, surely the bushes must be too wide, as you wouldnt expect them to be in contact as described above, requiring lubing? Maybe theres a spacer missing somewhere?
Of course they touch, the rubber or neoprean bush is their to stop the metal spring rubbing the shackles or chassis, they are shaped like a cotton reel and the flages keep the metal apart, they only flex rotationaly a couple of degrees and can be noisy when dry, bet it goes when it rains.
In the motor trade they are called silent rubber bushes
Loddy
______________________________________________________________ We are put on this earth not to weather the storm
but to learn to dance in the rain
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