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Old 11-09-2006, 09:52 PM   #31
beaky41
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Quote == Are your tyres going ok BTW?

Fine so far bought them off DDarby but I'm grandpa driver ( 16 so far 3 more on way)
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Old 13-09-2006, 10:16 AM   #32
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GK
I have had similar issues on many occasions on several different cars always just after fitting new tyres and have managed to solve every problem by getting either a fine balance or on a couple of occasions on car balancing
A specialist alignment & balance shop like the Dynamic alignment center in nunawading do on car wheel balancing or Beaurepaires in Doncaster or Bob Jane in Box Hill do fine or finger balancing and tighten the wheel nuts by hand with a torque stick which all helps
These 3 places have solved all my vibration problems in recent years even when it was suggested that I had buckled rims and warped discs by other tyre shops
Also try posting searching in tyre technical
Turbo Nick and a couple of others are wizards at all tyre & balance issues

Good Luck
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Old 13-09-2006, 12:55 PM   #33
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oops
Repost with correction meant Donellans Box Hill not Bob Jane
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Old 18-09-2006, 10:20 AM   #34
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Got the discs machined this morning and all is good. The front left was particularly bad, needed a couple of goes on the lathe! At least 1mm was taken off.

Here's the thing I've been thinking about though!

The instructions with the Bendix pads said to do a number of hardish brake applications, which IMO isn't very compatible with the gentle process of bedding in recommended on the last lot of rotors (the ones I installed yesterday).

I asked the Brakes Plus guy about it and he said to always go the gentle approach to bed them in.

I wonder if the harder approach I used (as per pad instructions) actually was the beginning of warping the fronts?

What are your thoughts everyone?

GK
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Old 18-09-2006, 11:19 AM   #35
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Quote:
Originally Posted by GK
Got the discs machined this morning and all is good. The front left was particularly bad, needed a couple of goes on the lathe! At least 1mm was taken off.

Here's the thing I've been thinking about though!

The instructions with the Bendix pads said to do a number of hardish brake applications, which IMO isn't very compatible with the gentle process of bedding in recommended on the last lot of rotors (the ones I installed yesterday).

I asked the Brakes Plus guy about it and he said to always go the gentle approach to bed them in.

I wonder if the harder approach I used (as per pad instructions) actually was the beginning of warping the fronts?

What are your thoughts everyone?

GK
Could of been the problem ... But new wheels / pads / and rotors all installed around the same time , it could of been just a matter of everything been a tadd out of balance with each other too / combined.

Strange the bendix say bed them in hard ?, i've never heard of bedding brake pads in hard ... although if they're a heavy duty pad , then their reason being could be to stop the pad glazing and causing squeels....

It's Strange instructions, i usually bed harder material brakes ( brake hard ) to get rid of any squeel after bedding them in soft ( if these is any squeel ).

Does it say anywhere on the brake pad packaging not to bed them in hard on 'new' rotors/discs ?
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Old 18-09-2006, 12:55 PM   #36
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Quote:
Originally Posted by GK
Got the discs machined this morning and all is good. The front left was particularly bad, needed a couple of goes on the lathe! At least 1mm was taken off.

Here's the thing I've been thinking about though!

The instructions with the Bendix pads said to do a number of hardish brake applications, which IMO isn't very compatible with the gentle process of bedding in recommended on the last lot of rotors (the ones I installed yesterday).

I asked the Brakes Plus guy about it and he said to always go the gentle approach to bed them in.

I wonder if the harder approach I used (as per pad instructions) actually was the beginning of warping the fronts?

What are your thoughts everyone?

GK
Good to hear. It is odd that they needed machining when you only fitted them in May - mine at least lasted 12 months. I reckon you could be onto something with the bedding in hard procedure - it may have created hot spots on the disc that they never really recovered from???
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Old 18-09-2006, 03:35 PM   #37
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Originally Posted by JC
Good to hear. It is odd that they needed machining when you only fitted them in May - mine at least lasted 12 months. I reckon you could be onto something with the bedding in hard procedure - it may have created hot spots on the disc that they never really recovered from???
I suspect so. Never mind, I'll just be gentle on the new rda rotors for the SR.

GK
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