xantia droning from rear wheels?.

jimmydod · Unread post by **jimmydod** » 16 Sep 2011, 12:51

Hi all,
Car just passed mot very pleased; have had a droning noise from what I thought was rear N/side bearings. Replaced hub still the same. Checked O/side no discernable rumble turning by hand. Changed front wheels to rear no difference checked all four wheels for out of true flat spots, bulges no evident problems. Droning is speed dependant present with drive train dissengaged engine idleing going down hill, starts at about 25mph lessens at 75mph. Still stranger turn a right hand sweep of road drone lessens, turn l/hand slight increase; with or without drive train engaged. Most definately coming from rear folded down rear seats and sat in back with head in boot you would swear it is coming from N/side. even though changed hub assy.
A real puzzler.
ps. no vibration as you would suspect from out of ballance wheels.

regards

Jim

Gibbo2286 · Unread post by **Gibbo2286** » 16 Sep 2011, 13:47

Check the exhaust alignment, too near the body anywhere and it will give those symptoms.

jimmydod · Unread post by **jimmydod** » 17 Sep 2011, 14:38

Many thanks Gibbo2286,

Took exhaust (tailpipe and remounted as it had been fitted a little close to body) definately alighned correctly took car round block still got the drone.
Anyone else any suggetion. If necessary will have to fit new hub on r/side and maybe fit new disks and pads. Then surely no reason for drone will remain.

Kind Regards

Jim

Unread post by **Peter.N.** » 17 Sep 2011, 20:32

The symptoms point to an o/s wheel bearing, don't be fooled by apparantly hearing it from the n/s - I have

Spinning the wheels with no weight on them won't usually reproduce the symptoms.

Peter

torq · Unread post by **torq** » 18 Sep 2011, 09:24

A friends focus had exactly the same droning sound you describe, a bit like a spitfire chasing a messerschmit. It was the rear bearings, changed them and the noise was gone.

Torq

Xantidote · Unread post by **Xantidote** » 18 Sep 2011, 09:54

Having replaced the nearside rear hub, and proved that wasn't the problem, you could try refitting the original hub to the offside and see if the noise disappears. Assumes you didn't damage the original when taking it off, and that you haven't already thrown it away!

Gibbo2286 · Unread post by **Gibbo2286** » 18 Sep 2011, 11:14

You wouldn't have a wife in the back seat would you?

Xantidote · Unread post by **Xantidote** » 18 Sep 2011, 17:12

jimmydod · Unread post by **jimmydod** » 19 Sep 2011, 07:20

Many thanks all

Xantidote I welcome your suggestion I never damaged the old hub I removed, only trouble is the old nut was in a bit of a state wer I prized out were it had been staked; can you get new nuts on their own without the hub?

Regards to you all and many thanks

Jim

Xantidote · Unread post by **Xantidote** » 19 Sep 2011, 08:45

I'd be very surprised if you couldn't buy individual nut for rear hub, even though quite a large size. No chance finding one on a scrappy? (although scrap Xantia's probably getting fewer)

Someone on the Forum is bound to have a spare, but postage etc probably as much as new from Citroen?

Gibbo2286 · Unread post by **Gibbo2286** » 19 Sep 2011, 09:47

Part number 3739.12 for all the Xantias rear hub nuts also fits early Berlingos.

jimmydod · Unread post by **jimmydod** » 19 Sep 2011, 19:48

Many thanks folks,

Will try and get new nut from Citroen Part No. 3739.12 much appreciated Gibbo 2286.

Regards Jim

wotwot · Unread post by **wotwot** » 21 Sep 2011, 10:43

QUOTE.
Most definately coming from rear folded down rear seats and sat in back with head in boot you would swear it is coming from N/side. even though changed hub assy.

You should know its very dangerous to sit in the back head in the boot whilst driving

Drive shafts maybe and more likely, mine is doing the same sound is more noticeable when braking.Worth a check.

vince · Unread post by **vince** » 21 Sep 2011, 23:44

That was my thought too...inner drive shaft wear....but if its alot louder at the rear then that steers you away from that.

I know it may not be a drone noise but check the rear brake back plate is not corroded to excess, broken off at the bottom and is rubbing against the disc...i had that on mine a while back

Other than the bearings or the above....
Worn bushes (subframe mounts / hub carrier bushes) transferring vibrations to the base of the vehicle? that would explain the increase or decrease in noise when you turn due to the weight transfer. You getting any bangs over speed bumps on the back?

Unread post by **CitroJim** » 22 Sep 2011, 07:07

wotwot wrote: You should know its very dangerous to sit in the back head in the boot whilst driving

Indeed. Quite difficult to see where you're going for one thing...

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