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	<title>Accumulator Archives &#171; Classic Jalopy</title>
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		<title>Replacement accumulator fixed heavy steering while parking</title>
		<link>https://www.classicjalopy.com/2015/03/replacement-accumulator-fixed-heavy-steering-while-parking/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=replacement-accumulator-fixed-heavy-steering-while-parking</link>
					<comments>https://www.classicjalopy.com/2015/03/replacement-accumulator-fixed-heavy-steering-while-parking/#comments</comments>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Mon, 16 Mar 2015 21:53:58 +0000</pubDate>
				<category><![CDATA[Citroen]]></category>
		<category><![CDATA[1970 DS21]]></category>
		<category><![CDATA[Accumulator]]></category>
		<category><![CDATA[Steering]]></category>
		<guid isPermaLink="false">http://blog.docmong.com/?p=961</guid>

					<description><![CDATA[<p>Last year I replaced my accumulator sphere on the DS.   The main driver for this was that I was getting short &#8216;cycle&#8217; times.  (i.e. the hydraulic pump would kick in very regularly to maintain system pressure, which puts stress on the system).   At the time, I did get an improvement in cycle time.   Secondarily I was hoping to cure a problem where the power&#46;&#46;&#46;</p>
<p>The post <a href="https://www.classicjalopy.com/2015/03/replacement-accumulator-fixed-heavy-steering-while-parking/">Replacement accumulator fixed heavy steering while parking</a> appeared first on <a href="https://www.classicjalopy.com">Classic Jalopy</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>Last year I replaced my <a title="Changing the DS Accumulator Sphere" href="http://www.classicjalopy.com/2014/10/changing-the-ds-accumulator-sphere/" target="_blank" rel="noopener">accumulator sphere </a>on the DS.   The main driver for this was that I was getting short &#8216;cycle&#8217; times.  (i.e. the hydraulic pump would kick in very regularly to maintain system pressure, which puts stress on the system).   At the time, I did get an improvement in cycle time.   Secondarily I was hoping to cure a problem where the power steering would get very heavy while parking.   My theory was that there was not enough reserve pressure, which meant that the power assist was not working as well as it could.</p>
<p>However, the good news is that the steering is now much better parking.   If you have very heavy steering while parking on your DS, it may be worth looking at your accumulator sphere.  New spheres are not expensive, although a huge pain to change out.</p>
<p>The post <a href="https://www.classicjalopy.com/2015/03/replacement-accumulator-fixed-heavy-steering-while-parking/">Replacement accumulator fixed heavy steering while parking</a> appeared first on <a href="https://www.classicjalopy.com">Classic Jalopy</a>.</p>
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		<title>Changing the DS Accumulator Sphere</title>
		<link>https://www.classicjalopy.com/2014/10/changing-the-ds-accumulator-sphere/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=changing-the-ds-accumulator-sphere</link>
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		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Tue, 14 Oct 2014 06:40:12 +0000</pubDate>
				<category><![CDATA[Citroen]]></category>
		<category><![CDATA[1970 DS21]]></category>
		<category><![CDATA[Accumulator]]></category>
		<guid isPermaLink="false">http://blog.docmong.com/?p=847</guid>

					<description><![CDATA[<p>Previously, I had removed all my suspension spheres to check their pressure.   Their pressure was checked at the Citroen Club tech day, and found to be acceptable.     Given I had the system de-pressurized, I also wanted to change the DS accumulator sphere.     The accumulator acts as a store of system pressure.   This means that the pump does not&#46;&#46;&#46;</p>
<p>The post <a href="https://www.classicjalopy.com/2014/10/changing-the-ds-accumulator-sphere/">Changing the DS Accumulator Sphere</a> appeared first on <a href="https://www.classicjalopy.com">Classic Jalopy</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>Previously, I had <a title="Citroen DS Sphere removal" href="http://www.classicjalopy.com/2014/10/citroen-ds-sphere-removal/" target="_blank" rel="noopener noreferrer">removed</a> all my suspension spheres to check their pressure.   Their pressure was checked at the Citroen Club <a title="CCCNSW Tech Day Oct 2014" href="http://www.classicjalopy.com/2014/10/cccnsw-tech-day-oct-2014/" target="_blank" rel="noopener noreferrer">tech day</a>, and found to be acceptable.     Given I had the system de-pressurized, I also wanted to change the DS accumulator sphere.     The accumulator acts as a store of system pressure.   This means that the pump does not have to run all the time but only when system pressure drops below a threshold.     It is quite easy to hear the pump kick in, run for a few seconds then cut out again with a click.    A faulty accumulator will cause the pump to run very frequently, which is not ideal.</p>
<p>My pump was cutting in every 6-10 seconds, which is very frequent.     Given I was not sure how old the accumulator was, I had purchased a new sphere to put on the car, however I had delayed because despite this being a service item, it is extremely difficult to remove from the car.   (see this <a href="http://www.aussiefrogs.com/forum/citro%EBn-forum/113706-sphere-removal-tips.html" target="_blank" rel="noopener noreferrer">thread</a> on Aussiefrogs).    It is a rather poor design on Citroen’s part, and to remove it took two hours and two people.  Ultimately, I had to use a breaker bar and strap wrench to unscrew the sphere, and then removal from the cavity where it lives is even more difficult.     The regulator is attached to the side of the engine (passengers side on a RHD car), and the DS accumulator sphere screws in to the bottom of the regulator.   The regulator and sphere can be removed as a unit, however you need to unscrew a number of hard lines and attaching points in a tiny space between the engine and wing.   Alternatively, you can jack the engine up a bit, then move the sphere up and to the front of the car slightly, then down in front of the cross member.</p>
<p><a title="Accumulator" href="http://www.flickr.com/photos/97047353@N00/15532733725/"><img fetchpriority="high" decoding="async" class="aligncenter" title="Accumulator" src="http://farm6.staticflickr.com/5602/15532733725_fc65046d6e.jpg" alt="DS Accumulator sphere" width="500" height="281" /></a></p>
<p>In the photo you can just see the green of the sphere and the blue is a hand coming from below the car to try and guide it past all the obstructions to release it.     Re-installation is just as fiddly as the removal!     After closing the bleed screw, and re-attaching all the suspension spheres, my cycle time had more than doubled to about 20 seconds.     Not perfect, but much better.</p>
<p>While the car was on the lift, I also cleaned the stainless steel sill protectors.   I found that sugar soap worked very well.</p>
<p style="text-align: center;">Before:</p>
<p><a title="Before" href="http://www.flickr.com/photos/97047353@N00/14912547803/" rel=""><img decoding="async" class="aligncenter" title="Before" src="http://farm6.staticflickr.com/5613/14912547803_f3833a0f1c_n.jpg" alt="Before" width="320" height="180" /></a></p>
<p style="text-align: center;">After:</p>
<p><a title="After" href="http://www.flickr.com/photos/97047353@N00/14912547343/" rel=""><img decoding="async" class="aligncenter" title="After" src="http://farm4.staticflickr.com/3944/14912547343_854ea7c975_n.jpg" alt="After" width="320" height="180" /></a></p>
<p>The post <a href="https://www.classicjalopy.com/2014/10/changing-the-ds-accumulator-sphere/">Changing the DS Accumulator Sphere</a> appeared first on <a href="https://www.classicjalopy.com">Classic Jalopy</a>.</p>
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