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Author Topic: Rear Shocks - Top Mount  (Read 10489 times)

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steve6367

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Re: Rear Shocks - Top Mount
« Reply #15 on: 26 October 2015, 09:04:25 »

I'm no expert on this, but could it be that if fitted without the bush before the rubber is now compressed?
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tunnie

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Re: Rear Shocks - Top Mount
« Reply #16 on: 26 October 2015, 09:04:35 »

Should add I inspected the condition of the lower bush, looked and felt same as day I took it out of the bag. Somehow the top threaded part must be banging against the spacer sleeve.  :-\

Tempted to wrap the threaded part in something, to cushion it in the sleeve as a test.  :-\
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tunnie

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Re: Rear Shocks - Top Mount
« Reply #17 on: 26 October 2015, 09:19:23 »

I'm no expert on this, but could it be that if fitted without the bush before the rubber is now compressed?

It always had the bush on both ends, but as per the current Saloon guide states, no mention was made of the lower disc. So that was not fitted before, nor was the spacer. When inspecting it when re-fitting, it felt/looked no different that before.

It's not the upward compression that makes the noise, over a speed bump it's silent.  :-\

It's only rough bouncy roads it does it.  :-\ -  Even on a rough surface on the motorway I can hear it's not right
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05omegav6

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Re: Rear Shocks - Top Mount
« Reply #18 on: 26 October 2015, 10:08:15 »

Summat in your top pick looks wrong... But basically you tighten it down so that the spacer is almost squashed between the two washers... If both top and bottom washer are indeed present tighten it down solid ;)
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tunnie

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Re: Rear Shocks - Top Mount
« Reply #19 on: 26 October 2015, 10:57:26 »

Summat in your top pick looks wrong... But basically you tighten it down so that the spacer is almost squashed between the two washers... If both top and bottom washer are indeed present tighten it down solid ;)

That's what I did.  :-\

It sounds almost like the door pin type noise, but on a bigger scale.

Sounds to me as if the shaft at the top of the shock is moving around, inside the spacer?

But you say "almost squashed" between the spacers, I popped the spacer inside the bush first, so the spacer is resting on the bottom washer. Should that not be the case?
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05omegav6

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Re: Rear Shocks - Top Mount
« Reply #20 on: 26 October 2015, 11:03:29 »

Spacer should be jammed between the washers so no movement at all... Unless the lower rubber is fooked... This is moulded with a plastic collar in it... Spacer should be an interference fit within both the rubbers... Also the lower washer is in addition to the washer at the top of the dust cover.

Difficult to see what you have done, or not without physically seeing it, but fitted correctly there should be limited give and certainly no play :-\
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tunnie

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Re: Rear Shocks - Top Mount
« Reply #21 on: 26 October 2015, 12:40:49 »

Popped out to the car park, put the top nut as tight as it would go. Feels spongey, but guess that's cause I'm tightening it against the bush and it's 'bouncing back'

Also grabbed the shock from underneath, right at the top before it goes into the boot. Giving it a wiggle, getting whole car to wobble, no sounds, no noises, all good.

Bounce the rear of the car up and down, again all smooth and good. No noises. Made sure both top nuts are super tight, will see what it's like on the drive home.

Otherwise I'll re-fit them again and take a picture, bit by bit as I go.  :-\
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EMD

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Re: Rear Shocks - Top Mount
« Reply #22 on: 26 October 2015, 12:46:40 »

I fear this is what ill be doing to mine soon  :( Please make the noise go away , watching with anticipation  :)
Although i fear mine sounds like a spring  :(
« Last Edit: 26 October 2015, 12:48:16 by EMD »
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05omegav6

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Re: Rear Shocks - Top Mount
« Reply #23 on: 26 October 2015, 13:07:48 »

Popped out to the car park, put the top nut as tight as it would go. Feels spongey, but guess that's cause I'm tightening it against the bush and it's 'bouncing back'

Also grabbed the shock from underneath, right at the top before it goes into the boot. Giving it a wiggle, getting whole car to wobble, no sounds, no noises, all good.

Bounce the rear of the car up and down, again all smooth and good. No noises. Made sure both top nuts are super tight, will see what it's like on the drive home.

Otherwise I'll re-fit them again and take a picture, bit by bit as I go.  :-\
I know what you mean... Spongy sensation is, I think, where the torque is trying to twist against the lower bolt rubber...

Basically you're aiming to tightening it as much as you can without actually shearing the thread :D

Sounds like you might have licked it though so fingers crossed for the trip home :y
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tunnie

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Re: Rear Shocks - Top Mount
« Reply #24 on: 26 October 2015, 13:11:40 »

Well the top 6mm spanner was slipping off, so about as tight as I can get it.  ;D - Thing is it was like that before, maybe it's a tad tighter, but not much.  :-\

Indeed, fingers crossed for the drive home! Have a guest staying tonight, so no work tonight if it is still playing up.
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05omegav6

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Re: Rear Shocks - Top Mount
« Reply #25 on: 26 October 2015, 14:17:54 »

Figured out what was visually wrong... The washers are inverted. Both are upside down by the look of it... :y
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tunnie

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Re: Rear Shocks - Top Mount
« Reply #26 on: 26 October 2015, 14:25:54 »

The kit from MaxTrac does have different looking discs. Note that there is no "recess' or dip in the middle, you can see an old GM one in the background...



The discs bottom left, I've fitted them same way for the upper mount. Giving flat surface down on the bush, rounded up top. (same way as shown in picture)

For the lower mount, I put that smoother, rounded side facing down. That gives a flatter surface for the larger lower bush. (not way shown in picture, other way up)

I thought that made sense as best way?
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tunnie

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Re: Rear Shocks - Top Mount
« Reply #27 on: 26 October 2015, 14:29:21 »

As using them other way, leaves a rather sharp edge on the top mount.  :-\
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05omegav6

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Re: Rear Shocks - Top Mount
« Reply #28 on: 26 October 2015, 14:38:22 »

Ah ok, that kit looks like a decent impression of the genuine parts, but does explain the visual difference :y

As long as the spacer is the same lenght, or a smidgen less than the original then you should be ok :y
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tunnie

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Re: Rear Shocks - Top Mount
« Reply #29 on: 26 October 2015, 14:43:18 »

My issue is the last shocks which came off, did not have the kit. No spacer, no disc on lower mount.

So I can't compare the spacer length  :(
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