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Old 06-08-2016, 07:28 PM   #659
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Good to know Peter

The vibration doesn't feel like normal tire balancing, more like consent chatter; imagine driving over a very corrugated concrete surface - actually feels harmonic rather than out of balance!
Martin, just a wild guess here:
Did it sound like this
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Old 06-08-2016, 08:55 PM   #660
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Martin, just a wild guess here:
Did it sound like this
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Old 06-08-2016, 09:00 PM   #661
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I will check it out Peter, but a better description would be it is like driving on a rubble strip!
As in sound or actually feeling it?
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Old 06-08-2016, 09:47 PM   #662
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As in sound or actually feeling it?
Both Peter, but not just feel through the steering wheel actual vibration through the floor/seats. Not as loud/heavy as a rubble strip and at a higher frequency; then about 35mph it disappears.
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Old 06-09-2016, 05:50 AM   #663
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Both Peter, but not just feel through the steering wheel actual vibration through the floor/seats. Not as loud/heavy as a rubble strip and at a higher frequency; then about 35mph it disappears.
The sound and transfer through the frame of severely loose pads can easily be mistaken as a more severe issue.
You did not mention that applying pressure to the brake changes it. With loose pads it will go away momentarily.
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Old 06-09-2016, 05:58 AM   #664
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The sound and transfer through the frame of severely loose pads can easily be mistaken as a more severe issue.
You did not mention that applying pressure to the brake changes it. With loose pads it will go away momentarily.
Touching the brakes makes no difference to the vibration Peter. Fingers crossed that when I pick up Bella later the issue is resolved as the shop is reporting, and it was just that the tires weren't holding pressure.
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Old 06-09-2016, 07:10 PM   #665
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Touching the brakes makes no difference to the vibration Peter. Fingers crossed that when I pick up Bella later the issue is resolved as the shop is reporting, and it was just that the tires weren't holding pressure.
Seems like crossing my fingers made a difference (or I suspect having tires that hold pressure!) because the vibration was not noticeable on the drive back from AS NE this evening. Let's see how it holds up over the weekend.
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Old 06-09-2016, 07:36 PM   #666
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Did they find a resolution to the high idle problem?
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Old 06-09-2016, 07:53 PM   #667
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Did they find a resolution to the high idle problem?
Often, I report an issue, drop Bella off, the guys report they tried loads of things but can't find anything wrong, except "hey presto" when I pick Bella up the issue has gone away. Tonight she seemed to start much easier (literally immediately) and to be idling fine - doesn't mean she won't tomorrow but I have just learnt to appreciate when issues just disappear!
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Old 06-09-2016, 08:21 PM   #668
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You can't complain about results like that
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Old 06-09-2016, 09:35 PM   #669
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You can't complain about results like that
Have you ever heard the saying, "calm before the storm"? When my drive belt started coming apart last summer, while disconcerting, the tick-tick-tick of the belt hitting something was comforting, as I knew it was at least still turning.........when the silence came, I knew what was to follow, wasn't good. I prefer to find out what's causing a noise or condition, before the condition stops, which would tell me the something causing the condition, finally broke off.

Just a thought, and it's just a thought as I have to replace mine.....could a badly worn steering damper cause this condition. If there is no oil at all in the shock and it's just freely allowing steering judder to resonate at lower speeds? Once the tires are at higher speeds the gyroscopic effect takes charge and the any inbalance wouldn't transfer as well through the damper.

Don't be afraid to tell me to take my damper and get stuffed.

Cheers
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Old 06-09-2016, 09:50 PM   #670
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snip....

Just a thought, and it's just a thought as I have to replace mine.....could a badly worn steering damper cause this condition. If there is no oil at all in the shock and it's just freely allowing steering judder to resonate at lower speeds? Once the tires are at higher speeds the gyroscopic effect takes charge and the any inbalance wouldn't transfer as well through the damper.

Don't be afraid to tell me to take my damper and get stuffed.

Cheers
Tony
The damper is new Tony (a HD Bilstein unit), but along the lines of 'something too tight, transmitting normal road vibration somewhere it shouldn't', the steering box was adjusted to take out slack - maybe too much? Or maybe the rag joint is got old and the rubber too rigid?
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Old 06-12-2016, 09:40 AM   #671
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Martin

Got me mate, but maybe your mechanic could rig up a suspension sensor net to figure it out. They attach microphones in various points on the suspension, you test drive it to the troubles and the mechanic can listen to each microphone separately to pinpoint the cause, as what usually makes a juddering feeling will also make a corresponding sound; but the engine noise is in-between the sound and your ear.

Cheers
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Old 06-12-2016, 12:45 PM   #672
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Martin - so glad to FINALLY see Bella live!!! What a great great motor home! Best to you and Diane and thanks for sharing the rig tour!!
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