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Author Topic: Silver Bullet rear doughnuts  (Read 2180 times)

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TheBoy

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Silver Bullet rear doughnuts
« on: 22 September 2012, 13:28:30 »

Driver


Pass


Sent from my iPhone
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feeutfo

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Re: Silver Bullet rear doughnuts
« Reply #1 on: 22 September 2012, 13:41:43 »

Gap is too narrow on drivers. Might be the bush failed, collapsed, allowing sub frame arm to drop nearer the triangular plate. Hence gap is narrower.

As the drivers side also sits low, check spring first. If ok the plate needs to come off for a butchers. Jack on the subframe arm and it shouldn't move from the chassis.
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TheBoy

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Re: Silver Bullet rear doughnuts
« Reply #2 on: 22 September 2012, 14:39:54 »

Gap is too narrow on drivers. Might be the bush failed, collapsed, allowing sub frame arm to drop nearer the triangular plate. Hence gap is narrower.

As the drivers side also sits low, check spring first. If ok the plate needs to come off for a butchers. Jack on the subframe arm and it shouldn't move from the chassis.
Think tthats the way its jacked? Only drivers side jacked
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feeutfo

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Re: Silver Bullet rear doughnuts
« Reply #3 on: 22 September 2012, 14:46:25 »

Lazy arse. ;D jack both sides. ;)

...but I don't think it is, iirc that's how it was parked up, going by feel.
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TheBoy

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Re: Silver Bullet rear doughnuts
« Reply #4 on: 22 September 2012, 14:58:23 »

If I remove plate, how much trouble am I in if it moves? Thinking about the hassle we had before...
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feeutfo

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Re: Silver Bullet rear doughnuts
« Reply #5 on: 22 September 2012, 15:12:21 »

If it moves you'll need a hand, but if you place the jack on the four holes in the subframe arm it won't.

Jack both sides to check the gap, (or let the jacked side down) so the car sits evenly.

But if removing the plate only jack one side. Saddle on the four holes of subframe arm.
Then loosen The centre (18?) bolt. If it spins freely, remove all the bolts and the plate. If the bolt us nipped, don't remove the plate.
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TheBoy

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Re: Silver Bullet rear doughnuts
« Reply #6 on: 22 September 2012, 15:30:08 »

Unjacked, and rear bounced to settle.

Drivers:


Passenger:



Both sides, I can get index and middle finger in between plate and arm, with a bit of wiggle room.
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TheBoy

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Re: Silver Bullet rear doughnuts
« Reply #7 on: 22 September 2012, 15:30:46 »

First time I've seen the pics, drivers does look lower?
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feeutfo

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Re: Silver Bullet rear doughnuts
« Reply #8 on: 22 September 2012, 16:02:24 »

Yep...

Checked spring?
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TheBoy

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Re: Silver Bullet rear doughnuts
« Reply #9 on: 22 September 2012, 16:26:06 »

Yep...

Checked spring?
You did when you noticed bush :P
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omega3000

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Re: Silver Bullet rear doughnuts
« Reply #10 on: 22 September 2012, 16:57:54 »

Needs some waxoil on those metal bits  ;)
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feeutfo

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Re: Silver Bullet rear doughnuts
« Reply #11 on: 22 September 2012, 17:31:27 »

Yep...

Checked spring?
You did when you noticed bush :P
bush breaked then
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TheBoy

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Re: Silver Bullet rear doughnuts
« Reply #12 on: 22 September 2012, 18:25:30 »

Bush with triangle plate removed...


(High Res version)


(High Res version)


(High Res version)

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TheBoy

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Re: Silver Bullet rear doughnuts
« Reply #13 on: 22 September 2012, 18:28:13 »

Thats not a tear, BTW, its just clean. Presumably where it compresses when under load?

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05omegav6

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Re: Silver Bullet rear doughnuts
« Reply #14 on: 22 September 2012, 18:38:02 »

With a lever in them, how much do they move? That compression rub could be a sign that the top is already split :-\ it is an assumption that these only fail from underneath.
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