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Unjamming a squealer with the GAP tool
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Matty 2332
 


Member Since: 02 Dec 2008
Location: West Yorkshire
Posts: 670

United Kingdom 2006 Discovery 3 TDV6 SE Manual Java BlackDiscovery 3
Unjamming a squealer with the GAP tool

So, did a rear disc and pad replacement last week on my 06 TDV6 D3. Didn't replace park brake shoes as there was very little wear. Adjusted up following the brake bible. Yesterday, parked on a steep grass verge, when I returned and attempted to reverse off, EPB squealed but wouldnt release. I had to pull the emergency cable to get moving.
When I got home, epb still made strange noises, I did the unjam procedure using my BT gap tool. Still makes the same noise. Does it need re latching? Is there anything else on the gap tool I could try before I spend the afternoon under the car pulling the front off the module and doing it manually?
Thanks 😀
  
Post #232367522nd Jan 2023 10:31 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10362

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Regarding shoes. It’s important to ensure the pivot lever on the rear of the shoe (that connects to cable) is free to move.
  
Post #232367822nd Jan 2023 10:50 am
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CDS
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Member Since: 12 Oct 2009
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United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tangiers OrangeDiscovery 3

You’ll need to open up the module to unjam it and wind it back. I’d suggest new shoes and another adjust as well Thumbs Up
 
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Post #232368722nd Jan 2023 11:45 am
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DIY Ace
 


Member Since: 06 Feb 2019
Location: Hampshire
Posts: 879

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

I had something similar, having to pull the release cable. The IID tool relatched it without having the bother of opening up the module. It's been working ever since - a good couple of years ago.
 2022 BMW i4 M50. Bought Oct 2022. 10,200 miles and counting...
2014 BMW 435d convertible. Bought July 2021. 58,000 miles and counting...
2005 Discovery 3 HSE Auto. Bought Feb 2019. 169,000 miles and counting...
2009 Freelander 2 XS Manual. Bought Sep 2013. SOLD Aug 2021 (already regretted!)

https://youtube.com/channel/UCO_u_0D45x9KGfiNstzLJnw 
 
Post #232373622nd Jan 2023 3:18 pm
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DIY Ace
 


Member Since: 06 Feb 2019
Location: Hampshire
Posts: 879

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

I can't quite remember the routine, but if I recall correctly I put it (the EPB) into service mode using the tool, then relatching procedure.
 2022 BMW i4 M50. Bought Oct 2022. 10,200 miles and counting...
2014 BMW 435d convertible. Bought July 2021. 58,000 miles and counting...
2005 Discovery 3 HSE Auto. Bought Feb 2019. 169,000 miles and counting...
2009 Freelander 2 XS Manual. Bought Sep 2013. SOLD Aug 2021 (already regretted!)

https://youtube.com/channel/UCO_u_0D45x9KGfiNstzLJnw 
 
Post #232373722nd Jan 2023 3:22 pm
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Matty 2332
 


Member Since: 02 Dec 2008
Location: West Yorkshire
Posts: 670

United Kingdom 2006 Discovery 3 TDV6 SE Manual Java BlackDiscovery 3

Many thanks for the replies, i'll try again with the GAP tool
  
Post #232374622nd Jan 2023 4:36 pm
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