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Craig_R

Omega Knight

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Watford
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Long Trip
17. Aug 2006 at 12:17

Hiya People

Well I just returned back to the south after going back to my home town of Middlesbrough.

Its a 500 mile round trip so i wanted to check some things out when driving.

On the way home to the north after about 10 mins or so i was getting a vibration through the car very anoying but it seam to only happen at about 80 MPH once 80 was broken it did the same vibration at most speeds.

On the way back down south I decided to try and not break the 80 MPH limit and crused at 70 to 75 most of the way and it was smooth all the way so much nicer to drive i had acouple of points with the vibration but they passed and vanished.

Driving at 70 MPH all the way back gave me great MPG by the computer an avarge of 44 MPG
But I was on LPG all the way back so i am guessing i was not getting 88 MPG but more like 70 odd as i know you get less MPG on LPG than Petrol but looking at the price of LPG to petrol was 40.9 For LPG and 99.9 for Petrol.

So all in all i am happy apart from the slight vibration for time to time was wondering if the Front discs are warped which i think they are cud cause vibration

Craig

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evanh Newbie Offline Posts: 31 N.Ireland Gender:	Re: Long Trip Reply #1 - 17. Aug 2006 at 12:38 Probably a buckle in one of the wheels or else they just need balanced
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markrl Intermediate Member Offline Posts: 263 London Drives: Omega Elite 1998	Re: Long Trip Reply #2 - 17. Aug 2006 at 12:44 Probably a slightly out of balance wheel. To confirm this swap the front pair over with the rears and see if the problem moves or disappears.
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: Long Trip Reply #3 - 17. Aug 2006 at 13:10 Agreed, I would go for balance first. Use a good balancing place, as Omega does seem to be fussy wrt balancing...
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: Long Trip Reply #4 - 17. Aug 2006 at 13:11 Propshaft problems can also cause this sort of vibration, but less likely...
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Marks DTM Calib

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Posts: 25671
Northern Hemisphere
Gender: male

Drives: Astra J, Mum Bus, Dexta Tractor, 108 DMU wip

Re: Long Trip
Reply #5 - 17. Aug 2006 at 14:19

Wheel balancing I would say.

Its not Omega wheels being hard to balance, it seems to be more to do with how the balancing machines are used and if they are any good. Some simply take a central reading and try to balance it out with two or even one weight. Reality is on wide(ish) wheels you need a balance reading at two speeds and on both edges and correct it with two weights.

Its short cuts by the fitters mainly.

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TheBoy

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TBE has an MOT!

Posts: 64817
Brackley, Northants
Gender: male

Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10

Re: Long Trip
Reply #6 - 17. Aug 2006 at 14:23

Marks DTM Calib wrote on 17. Aug 2006 at 14:19:

Wheel balancing I would say.

Its not Omega wheels being hard to balance, it seems to be more to do with how the balancing machines are used and if they are any good. Some simply take a central reading and try to balance it out with two or even one weight. Reality is on wide(ish) wheels you need a balance reading at two speeds and on both edges and correct it with two weights.

Its short cuts by the fitters mainly.

Additionally, it seems, some fitters don't use small enough weights (or the machines aren't good enough)...

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If you are going to kick a car, remember to wear appropriate footwear
Any posts are the result of my own views as a member of OOF, which may or may not be the same as my views as part of the Admin Team.

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Marks DTM Calib Administrator Offline Ex Member Posts: 25671 Northern Hemisphere Gender: Drives: Astra J, Mum Bus, Dexta Tractor, 108 DMU wip	Re: Long Trip Reply #7 - 17. Aug 2006 at 15:11 I suspect the machines are not upto the job.....
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Taxi Driver

Omega Lord

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Posts: 8413
Swindon
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Drives: Fiat Scudo 90 Multijet (whatever that means!)

Re: Long Trip
Reply #8 - 17. Aug 2006 at 17:52

If you do go for the wheel balancing.....its worth making sure they take all the old weights off first!

Seems logical thing to do.....but i had my fronts rebalanced due to steering wheel wobble at 50mph.
It improved but not entirely gone.
So I took it back a few weeks later and asked them to have another go....different fitter this time...and he was shocked as one wheel had 90g of weights on it!
So it seems some fitters just keep adding weights to get it right and others remove them all and start again.

Been fine since

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Salty Ex Member	Re: Long Trip Reply #9 - 17. Aug 2006 at 18:03 I check after to make sure they have removed the old weights for that very reason TD
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Craig_R Omega Knight Offline Posts: 1306 Watford Gender:	Re: Long Trip Reply #10 - 18. Aug 2006 at 11:04 Thankyou Very Much Everyone Ill get it checked Does STS in Watford Do Wheel Balance ? Craig
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: Long Trip Reply #11 - 18. Aug 2006 at 11:38 STS, being a tyre fit company, can do balancing...
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nigsey1600e Junior Member Offline Posts: 101 leicsester Gender:	Re: Long Trip Reply #12 - 18. Aug 2006 at 21:18 i am now on my second omega and both have had a wheel balance/vibration problem at 80/90mph only i was wondering if this was perhaps a design fault as no amount of wheel balancing would/will cure it
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Martin Imber Over Active Poster Offline LPG Omega V6 - Keyfobs Rebuilt Posts: 20110 Worcester Gender: Drives: 2001 Omega 2.6CD LPG & 3.0 cams	Re: Long Trip Reply #13 - 19. Aug 2006 at 10:11 nigsey1600e wrote on 18. Aug 2006 at 21:18: i am now on my second omega and both have had a wheel balance/vibration problem at 80/90mph only i was wondering if this was perhaps a design fault as no amount of wheel balancing would/will cure it No - none of mine did that so check your front suspension components
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tunnie Over Active Poster Offline Posts: 22520 London, W3 Gender: Drives: 2.2 CD (LPG'd) & BMW R1200 GS	Re: Long Trip Reply #14 - 19. Aug 2006 at 11:07 If the vibration is though the steering wheel = front wheels Vibration though your bum (the seat) = rear wheels
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