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Why do top mounts not come with the locking nut ?

V

VenomX

Active Member
Joined
Sep 10, 2024
Messages
77
Location
England
Car
C240 2002
<div class="bbWrapper">Having a suspension revamp on the C240 at the front. Got all the parts and will be getting the strut assembled by experienced mechanics then fitting myself.<br /> One question is, why do the mounts not come with a nut to lock the top mount in place?<br /> I will have to get two of these separately in order for the mechanics to fit the top mount... I have inspected all the parts I have bought and surprised the febi mounts don't have these locking nuts<br /> The mounts themselves have no threads and use a separate slotted nut as pictured below<br /> <a href="https://forums.mbclub.co.uk/attachments/locknut-jpg.162454/" target="_blank"><img src="https://forums.mbclub.co.uk/data/attachments/136/136061-1518d079f079bc474f138c95804c507f.jpg?hash=D4_au9aWWW" class="bbImage " style="" alt="locknut.jpg" title="locknut.jpg" width="521" height="325" loading="lazy" /></a><br /> <br /> Said slotted nut then requires a &quot; special tool &quot; like this... to tighten<br /> <br /> <a href="https://forums.mbclub.co.uk/attachments/loclkock-jpg.162456/" target="_blank"><img src="https://forums.mbclub.co.uk/data/attachments/136/136063-490ccc3c85e1beccc9b3e2118f9d87b4.jpg?hash=1tEbLyL8_i" class="bbImage " style="" alt="loclkock.jpg" title="loclkock.jpg" width="400" height="515" loading="lazy" /></a><br /> <br /> <br /> I see some old VWs have a similar system</div>
 
<div class="bbWrapper">Possibly because the securing ring is considered to be reusable?</div>
 
<div class="bbWrapper"><blockquote data-attributes="member: 57806" data-quote="DSM10000" data-source="post: 3429479" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/goto/post?id=3429479" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-3429479">DSM10000 said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> Possibly because the securing ring is considered to be reusable? </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote><br /> Yeah I know that, but in my circumstance I am replacing the whole strut, therefore I had to buy the slotted nuts separate</div>
 
<div class="bbWrapper"><blockquote data-attributes="member: 182662" data-quote="VenomX" data-source="post: 3429481" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/goto/post?id=3429481" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-3429481">VenomX said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> Yeah I know that, but in my circumstance I am replacing the whole strut, therefore I had to buy the slotted nuts separate </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote>Why couldn't you reuse the existing nuts?</div>
 
<div class="bbWrapper"><blockquote data-attributes="member: 57806" data-quote="DSM10000" data-source="post: 3429485" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/goto/post?id=3429485" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-3429485">DSM10000 said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> Why couldn't you reuse the existing nuts? </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote><br /> Mechanic is assembling the struts with all new parts. I’ll then be swapping the old unit for the the new unit straight into the car. Saves money and for safety as I don’t want to compress springs myself at home</div>
 
<div class="bbWrapper"><blockquote data-attributes="member: 182662" data-quote="VenomX" data-source="post: 3429487" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/goto/post?id=3429487" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-3429487">VenomX said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> Mechanic is assembling the struts with all new parts. I’ll then be swapping the old unit for the the new unit straight into the car. Saves money and for safety as I don’t want to compress springs myself at home </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote>I have only compressed springs once. <br /> <br /> I didn't enjoy it <img class="smilie smilie--emoji" alt="😂" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f602.png" title="Face with tears of joy :joy:" data-shortname=":joy:" loading="lazy" width="64" height="64" /></div>
 
<div class="bbWrapper">Just need the right tools.....I replaced both rear springs on the A Class last month.....no worries.</div>
 
<div class="bbWrapper">Got a pair of the slotted nuts for £5 at Mercedes dealer, happy with that. <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f60e.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":cool:" title="Cool :cool:" data-smilie="6"data-shortname=":cool:" /></div>
 
<div class="bbWrapper"><blockquote data-attributes="member: 57806" data-quote="DSM10000" data-source="post: 3429489" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/goto/post?id=3429489" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-3429489">DSM10000 said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> I have only compressed springs once. <br /> <br /> I didn't enjoy it <img class="smilie smilie--emoji" alt="😂" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f602.png" title="Face with tears of joy :joy:" data-shortname=":joy:" loading="lazy" width="64" height="64" /> </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote><br /> I did that too, but I had spring compressors to hand, so not a bad job. Also, got a tip at the time from a race driver, fill the gap between the damper and the external tube with engine coolant, it will allow the damper to remain cooler by heat dissipation, I.e. transferring heat to the external tube using convection. I don't race this days.... so this isn't something that I've repeated since.</div>
 
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