Impossible to balance wheel ... two shops already failed ..., New tyres didn't help ... |
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Impossible to balance wheel ... two shops already failed ..., New tyres didn't help ... |
johannes |
May 28 2009, 07:31 AM
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#1
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Club Porsche 914 France President Group: Members Posts: 3,084 Joined: 13-January 06 From: France Member No.: 5,409 Region Association: France |
I bought a set of Mahle with tyres.
I brought them to a shop to have them balanced. When I put them on the car it started to vibrate at 90 to 120 kmh (55 to 75 Mph) Brought it back to the shop, redid the balance, didn't help. They say, the tyres may be warped. I bought them a new set of tyres, let it balance ... didn't help. They sent me to another shop that has a better machine. They put (a lot of)weigths inside and outside the rim (ugly), but it didn't helped. The problem occured when I bought these rims I figure they may be bent ... Could this old and wise guy be right ? http://www.youtube.com/watch?v=PeclYZQCyso Any advices ... |
Katmanken |
May 28 2009, 01:52 PM
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#2
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You haven't seen me if anybody asks... Group: Members Posts: 4,738 Joined: 14-June 03 From: USA Member No.: 819 Region Association: Upper MidWest |
At least you still have the finger. Ken |
johannes |
May 28 2009, 01:57 PM
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#3
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Club Porsche 914 France President Group: Members Posts: 3,084 Joined: 13-January 06 From: France Member No.: 5,409 Region Association: France |
At least you still have the finger. Ken Yes ! ... it helps, I am comics artist ! ... QUOTE I've found that having the tires balanced on the car gets rid of the shaking. this is especially true with the low profile tires Tires balanced on the car ? How can you do that ? (IMG:style_emoticons/default/blink.gif) |
jaxdream |
May 28 2009, 06:01 PM
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#4
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Senior Member Group: Members Posts: 974 Joined: 8-July 08 From: North Central Tennessee Member No.: 9,270 Region Association: South East States |
At least you still have the finger. Ken Yes ! ... it helps, I am comics artist ! ... QUOTE I've found that having the tires balanced on the car gets rid of the shaking. this is especially true with the low profile tires Tires balanced on the car ? How can you do that ? (IMG:style_emoticons/default/blink.gif) Years ago that's how you got tires balanced , they ( tire shops ) would jack car up , bring a machine designed to spin the wheel , tire , brake drum ( then ) and the whole rotating assembley up to certain speed , shoot with strobe gun , determine where the weights would go , recheck , do all four corners like this , you wound up with a very good balaned set of wheels and tires , the bus comp I worked for took the buses with new tire to these type shops and had it done , this was in the mid to late 70's when I was a bit younger ( ha ha ha ) , there may be some of these type shops around , check for shops that balance big vehicle's wheels and tire , they might fit you in. Jaxdream |
1970 Neun vierzehn |
May 28 2009, 06:45 PM
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#5
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Advanced Member Group: Members Posts: 3,199 Joined: 16-March 06 From: cincinnati, ohio Member No.: 5,727 |
[quote]I've found that having the tires balanced on the car gets rid of the shaking. this is especially true with the low profile tires[/quote] Tires balanced on the car ? How can you do that ? (IMG:style_emoticons/default/blink.gif) [/quote] Years ago that's how you got tires balanced , they ( tire shops ) would jack car up , bring a machine designed to spin the wheel , tire , brake drum ( then ) and the whole rotating assembley up to certain speed , shoot with strobe gun , determine where the weights would go , recheck , do all four corners like this , you wound up with a very good balaned set of wheels and tires ...... Jaxdream [/quote] (IMG:style_emoticons/default/agree.gif) That is how I've had my 914 wheels (Pedrinis) and tires (195/60 15) balanced. 90% of the time, everything is smooth and stable. The other 10%, the small amount of wheel shake that is noticable I attribute to the fact that the car is lowered (w/ a bump steer kit) and the road surface. Since no adverse tire wear is apparent, I am fairly confident that the wheel/tire combination is properly balanced. Paul |
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