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2008 GRB 20th anniversary 6 MT
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Discussion Starter #1 (Edited)
After having the brake pads changed I noticed that there is a clunk when:

- going forward, stopping, reversing and braking => clunk
- reversing, stop, move forward brake => clunk

I doesn't happen all the time though.

Would that indicate wrong pads are fitted and there is a slack somewhere or something is missing?!

The pads fitted were the Pagid RS 4-2-1 for Brembo calipers.

Cheers!
 

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JDM Foz [sold]
2016 Mercedes E220 AMG Auto
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4,385 Posts
sounds like the pads havent got the retaining clip in.

My merc used to do this and when the brakes needed changing last time I did them and on pulling everything apart there was a spring clip missing on one side which keeps pressure on the pads.

Never did the brakes any harm but it is bloody annoying!
 

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2008 GRB 20th anniversary 6 MT
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Discussion Starter #3
sounds like the pads havent got the retaining clip in.

My merc used to do this and when the brakes needed changing last time I did them and on pulling everything apart there was a spring clip missing on one side which keeps pressure on the pads.

Never did the brakes any harm but it is bloody annoying!
Thanks. Id it possible to remove the retaining clips from the old pads and fit them to the new ones or is this something that should be included to the new pads from factory?
Is there any danger in running like this?

I have also noticed that when crusing on motorway, if I haven't stepped on the brakes for quite sometime, the first time I will touch the brakes the will be a small squeek. Is this normal?

I want to make sure everything is OK as I am planning to take the car to the Ring for a couple of laps over the weekend!

Cheers again :)
 

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Premium Member
98 JDM Stb Manual
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3,787 Posts
If you look at the calipers (assuming 4 pot) there is a metal piece that locates under the retaining pins that maintains pressure on the pads

This might be the wrong way round

Advise you give them a visual check

Squeeking is a lack of copper grease on the back of the pads
 

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Premium Member
98 JDM Stb Manual
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3,787 Posts
So long as the pads are securely located by the pins and that the pins have their locking wire in place

your fine

you might have a sticky piston, as they have been pushed back for the new pads

clunking is the pads moving, check previous post
 

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2008 GRB 20th anniversary 6 MT
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Discussion Starter #6
Cheers, yes, brembo calipers. I will get them checked tomorrow when I fit my summer tyres/wheels. Pads moving in the caliper is worrying...
And the pad change was done at a reputable subaru specialist. Will report tomorrow, any more ideas keep them coming.
 

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Don, King of the parts diagram
MY11 WRX STi Sedan 6MT
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5,795 Posts
Fivos,

An interesting photo, in a couple of respects.....

1) Its of the "old" style Red/Black Lotus Brembo as used in various upgrade kits including Godspeed's and the original Scoobysport's.

2) Not sure how he's going to be able to use the steering if that is the final brake pipe - don't think the copper will survive for long.

3)CV joint boot doesn't look in very good condition.........



Attached are the parts diags for the Gold Brembos...........

The retaining clips are similar.
 

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2008 GRB 20th anniversary 6 MT
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Discussion Starter #11
Thanks Don! I assume Impreza Sti and FSTI brembo calipers/pads are the same?

I don't see how bedding in the pads will make the noise disappear (I have already done more than 1500 miles since being fitted but mostly motorway mileage so not much hard braking) and I don't feel confident going round with the noise so will have it checked tomorrow and hopefully something can be done.
 

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1999 (UKDM) S-Turbo (LT) 4EAT
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I have the same clunking on all 4 wheels when I apply the brakes after my garage changed all the discs and pads recently. Is the retaining clip for OEM brakes the same across all subarus or are they chassis specific? Has anyone got a part number so I can go back to the garage armed with the relevant info?
 

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Guys, if it's of any reassurance mine have been doing the same thing since I changed the pads last October. Some 10,000 miles later they're still doing it. I know I re-assembled correctly. Having said that, in one of those moments of self doubt had them checked by a Subaru specialist. He confirmed all ok; also commented it was by no means the first he'd seen/heard....
 

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Don, King of the parts diagram
MY11 WRX STi Sedan 6MT
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AFAIK STi and FSTi gold Brembos the same.

Well, nobody spotted my "blonde moment" last night. :biggrin:

Now't wrong with the brake pipe in the picture, I was seeing more in that picture than was actually there, although if the joint on the strut is not unclippable then you have to bleed the system if you want to change the disk, instead of just hanging the caliper up.

More used to seeing this setup....... with the flexible all the way to the caliper.






Mateybass,
I have the same clunking on all 4 wheels when I apply the brakes after my garage changed all the discs and pads recently. Is the retaining clip for OEM brakes the same across all subarus or are they chassis specific? Has anyone got a part number so I can go back to the garage armed with the relevant info?
Different system with the standard OEM brakes compared to the Brembos.

If they rattle its can be due to the "pad clips" having lost their spring and allowing the pad to move.

Item 9 on following for front........

http://opposedforces.com/parts/forester/en_s10/type_11/brake_system/front_brake/illustration_1/


and again item 9 for rear........

http://opposedforces.com/parts/forester/en_s10/type_11/brake_system/rear_brake/illustration_2/
 

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2008 GRB 20th anniversary 6 MT
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Discussion Starter #15
Don, I had them checked at my local Subaru dealer today and everything is OK he confirmed. I have taken a couple of pics and they look identical to the ones you posted.
I was told by the dealer that some pads do this and him and his collegue had this on their own Sti's and is nothing to worry about.

Rich from Powerstation got back to me and said "You will get a bit of play in the pagid pads as they have an allowance for temperature. This is because of the increase in friction causes much greater temperatures than standard"

Since the clunk happens only once when I change direction it looks "normal" what they say about the play.
I will post up the pics when I get home and appreciate if you could let me know what you think.

Tentenths, that's good to hear and matches to what my dealer and Powerstation have said above.
 

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Discussion Starter #16
Here are the pics of the brakes, the retaining clips and everything looks in place, can you confirm?
Cheers! :)
 

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Don, King of the parts diagram
MY11 WRX STi Sedan 6MT
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They look OK and have the shims fitted as well so as Rich says, an allowance for heat expansion.

When I think about it my ferodo pads do move slightly when cold.
 

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98 JDM Stb Manual
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look fine

just give them time to cool after the RING
 

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1999 (UKDM) S-Turbo (LT) 4EAT
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Mateybass,


Different system with the standard OEM brakes compared to the Brembos.

If they rattle its can be due to the "pad clips" having lost their spring and allowing the pad to move.

Item 9 on following for front........

http://opposedforces.com/parts/forester/en_s10/type_11/brake_system/front_brake/illustration_1/


and again item 9 for rear........

http://opposedforces.com/parts/forester/en_s10/type_11/brake_system/rear_brake/illustration_2/
Cheers Don, just what I needed :biggrin:
 

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Mr. November 2008
2015 BMW 335d xDrive GT Auto
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969 Posts
Mine have been doing the clunk thing on each change of direction. These are Tar-Ox pads, as fitted by Powerstation, and nothing looks out of place.

Perhaps the higher-rated pads have more expansion room, so it is noticeable as soon as they are upgraded from the OEM ones.
 
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