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slobberingant

1.9 Rear Caliper Handbrake Adjuster Mechanism

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slobberingant

I've made the mistake of deciding to rebuild my rear calipers. I've made the further mistake of forgetting how they go together.

The piston part is similar to the front and easy to understand.

Can I get some help understanding the handbrake adjusting mechanism on the back of the caliper?

 

20200801_123641_resized.jpg.51c1855e90d05cbb6845fdad9887053c.jpg

 

I understand that the belleville washers go on the screw. They are then compressed as per this post:

Once the belleville washers are compressed.

What is the correct orientation for the clip?

In what way does the clip and arm secure to the screw?

Are there any diagrams that can help?

 

20200801_123602_resized.jpg.51558a256cc04f32edfc93fbdbad1f57.jpg

 

I would appreciate any assistance.

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welshpug

you're missing the small wedge that goes between the cam and the screw, the spring hooks into the groove and a circlip for the end of the cam shaft.

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slobberingant

Thank you. Found the wedge.

I think I understand how it works now.

Can you please confirm that the the screw and wedge are in the correct orientation in the photo below?

 

20200801_193806_resized.jpg.91672add095c854a7c3a789b791d0bd5.jpg

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slobberingant

Ok so thicker end of the wedge goes in the screw as per this thread on the gti6 forum. Had a lol reading that one.

screw.thumb.png.423969b86454f8962bde4a8ac2fecff1.png

Last question (please excuse the drawing), which direction is the high side of the screw?

With the high side on the left side it looks like there is less chance of the wedge falling out. With the high side on the right the wedge looks like it sits better in the corner of the cam profile.

 

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slobberingant

Nevermind. Past slobberingant had the insight to take photos prior to dismantling.

Wedge and screw go as per photo below for future reference.

 

IMG_20181026_184856.jpg.750eb4ac4e3e744fe7f9444ec9b0c25f.jpg

 

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