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[cem_devecioglu]

and also next time when balancing check/ask how much grams of weight they use.. if more than 30 grams/tyre  there is something wrong ..

Why is that cem?? I had my back wheels balanced a while back......to sort out a backend vibration at about 65-70mph.......they used 50grams of weight on one wheel and 75g on the other......it sorted the vibration out 

Al, in all those years I have changed probably more than 20 tyre fitters excluding the urgency cases..  any brand new tyre esp the premiums can easily be balanced under 30 grams if tyre fitted correctly..  (sometimes the tyre walls dont stick properly because of old crap on the wheel- so every time either I or tyre fitter sands the walls  )


on any occasion it required more,  I asked the tyre fitter to deflate and turn the tyre around the wheel and also check for any buckles


it was either solved by turning the tyre or correcting the buckle or very very rarely tyre or wheel was faulty (only one time with a chineese brand wheel 40 grams)..


honestly no other case.. 

[05omegav6]

That man, he called Dave

Could it be a brake disc or wheel bearing issue

[cem_devecioglu]

That man, he called Dave

Could it be a brake disc or wheel bearing issue

you may not believe what I did say.. but if I were you , I would query about the weight used.. end of

[05omegav6]

Taxi Al is called, oddly enough, Al.

Taxi Driver is called Dave. Believe it or not...

 

[cem_devecioglu]

Taxi Al is called, oddly enough, Al.

Taxi Driver is called Dave. Believe it or not...

 

opps     taxi XXXX all mixed up

[dbug]

Seems to last about 500/600 miles, and they go out of balance again, around 70 mph.

....and no, I don't kerb them, and haven't lost any weights.

Omega seemed to last forever.

Balanced off the car I presume.  May be worth getting them balanced on the car - solved a problem on my old TR6 of recurring "out of balance" over 100mph and up to 115mph - was ok below/above that range

[chrisgixer]

Tyre slipping on the rim?

And or, 5 stud balancer as suggested.

[Auto Addict]

The question is, why do they keep going out of balance?

Each time I've had them balanced, they've been OK for 500/600 miles.

I've jacked it up and can find no play anywhere, car has only done 26k.

I don't want to have an expensive 5 stud balance if the same thing happens again.

If as Chris suggested, tyre is slipping on the rim, that would mean all four are slipping, as I've swopped fronts to rears.

Rears do not go out of balance.

[05omegav6]

That might point to a drivetrain issue guessing the full fat 160 slushbox?

Proper handbrake or an electric one if that is binding slightly, then the torque could cause a slight slip on the front tyres as the transmission loads against the brake... have noticed that with mine, that if you get the revs slightly off then it strains a bit then releases all of a sudden.

The threshold is about 1000rpm on the manual. Might be worth having them rebalanced, then only move off in the following way...

1. Selector in Park.
2. Foot Brake on.
3. Handbrake off.
4. Into gear, (forward or reverse).
5. Release foot brake and drive off.

When you stop, reverse the process.

Only use the hand brake once the car is stopped and in Park, and only put the car in gear with the Hand Brake off.
Should eliminate the problem if the wheels are indeed slipping within the tyres

[chrisgixer]

Lat paragraph needs clarifying there AA

Do you mean all 4 slipping at once? In which case that would mean it's occurring on the brakes. As yours is gay wheel drive.

Or do you mean all for have slipped, having been on the front at some point?

Guessing the latter?

Tyres slipping on the rim is quite rare for road cars these days. Ususlly reserved for high power vehicles. ...unless of course your towing a small planet behind the car.

Rare as bit may be, struggling to think if any other cause. A tyre can't go out of balance in such a short distance without an equal amount if weight added on re balance falling off or being scrubbed off the tread.


On re balancing, was the weight the same on both occasions? If so, I'd have to say the tyre has slipped round the wheel. As the weight .....

No, that's bollards as I'm thinking they'd have to re seat the tyre in the original position. Which they wouldn't do on re balancing. Sorry ignore above.

Is the red dot (or yellow dot forget which) still in line with the valve?

Might be worth a small dot with a marker pen on the wheel so you can see if it still lines up with a distinguishing mark on the tyre after a few miles.

[05omegav6]

Surely the Pikey Palace would cause the front to become lighter, so if anything, the tyres would slip on the road surface rather than in the rim

Of those 6-700 miles, how many are whilst towing

[Auto Addict]

Had them set up on a Hunter machine this morning, will see how it goes from here.

They said bring it back if it occurs again, and they will investigate further.

Difficult to say how much towing, as the van's been laid up for the winter, although we did go off in it about 3 weeks ago, about 190 mile round trip, comes in ever so slightly at around 60 mph with the van on the back

Off again next week for a long weekend.

Got a good solo motorway trip next Tues or Weds.

[cem_devecioglu]

are the wheels new or how much miles you have used them ?


also the center bore play cant be felt by hand ..


one of my friends had a similiar problem and after trying/visiting several places I brought him to a friend and all 4 wheels had very slight buckles and need to be corrected..

[Auto Addict]

are the wheels new or how much miles you have used them ?


also the center bore play cant be felt by hand ..


one of my friends had a similiar problem and after trying/visiting several places I brought him to a friend and all 4 wheels had very slight buckles and need to be corrected..

Tyres have done 26k, still well within the legal limit.

Hunter machine didn't pick up any defects in tyres or rims.

[05omegav6]

Such defects would surely be apparent from the get go