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<!--edited 04 18 2022 SCH-->

<manual>
  <header>
  	
  	<!-- Auto manual = 0
  		Motorcycle manual = 1 -->
  	<manualtype>0</manualtype>   
    
    <partNumber>AS-3523</partNumber>
    <partName>Arnott New Front Left Air Strut</partName>
    <partFit>Mercedes-Benz GLC-Class (X253, Incl. 4MATIC, Incl. AMG)</partFit>
    <partPhoto><image file="..//AS-3523/AS-3523_001.jpg" alt="AS-3523 Arnott New Front Left Air Strut" title="AS-3523 Arnott New Front Left Air Strut" /></partPhoto>
    
    <!--Uncomment MC TUV if part is TUV approved-->
    <!--<mc_tuv></mc_tuv>-->
    
    <!--For MC kits, check Warning under "General Information" to add the proper PSI-->
    <mc-partPSI>150</mc-partPSI>
  </header>

<section>
    <headline_large_left>Air Strut Removal</headline_large_left>
 </section>

<section>
	<steps>
		<stepNum>
			1
		</stepNum>
		<text>
			Set steering to straight ahead. 
		</text>
	</steps>
</section>

<section>
	<steps>
		<stepNum>
			2
		</stepNum>
		<text>
			Raise vehicle.
		</text>
	</steps>
</section>

<section>
	<steps>
		<stepNum>
			3
		</stepNum>
		<text>
			Remove the applicable front wheel. (Figure 1)
		</text>
	</steps>
</section>

<section>    
    <image_single file="..//AS-3523/AS-3523_002.jpg" caption="1" alt="1" title="1" />
  </section>

<section>
	<steps>
		<stepNum>
			4
		</stepNum>
		<text>
			Open the hood and remove any applicable trim covering the strut’s top mount. (Figure 2)
		</text>
	</steps>
</section>

<section>    
    <image_single file="..//AS-3523/AS-3523_003.jpg" caption="2" alt="2" title="2" />
  </section>

<section>
	<steps>
		<stepNum>
			5
		</stepNum>
		<text>
			Disconnect the air line from the strut. (Figures 3, 4)
		</text>
	</steps>
</section>

<section>    
    <image_double file1="..//AS-3523/AS-3523_004.jpg" alt1="3" title1="3" caption1="3" file2="..//AS-3523/AS-3523_005.jpg" alt2="4" title2="4" caption2="4" />
  </section>

<section>
	<steps>
		<stepNum>
			6
		</stepNum>
		<text>
			Remove the three (3) top mount nuts. (Figure 5)
		</text>
	</steps>
</section>

<section>    
    <image_single file="..//AS-3523/AS-3523_006.jpg" caption="5" alt="5" title="5" />
  </section>

<section>
	<steps>
		<stepNum>
			7
		</stepNum>
		<text>
			Disconnect the two (2) top mount electrical connections. (Figures 6, 7)
		</text>
	</steps>
</section>

<section>    
    <image_double file1="..//AS-3523/AS-3523_007.jpg" alt1="6" title1="6" caption1="6" file2="..//AS-3523/AS-3523_008.jpg" alt2="7" title2="7" caption2="7" />
  </section>

<section>
	<steps>
		<stepNum>
			8
		</stepNum>
		<text>
			Disconnect the ride height sensor electrical connection. (Figure 8)
		</text>
	</steps>
</section>

<section>    
    <image_single file="..//AS-3523/AS-3523_009.jpg" caption="8" alt="8" title="8" />
  </section>

<section>
	<steps>
		<stepNum>
			9
		</stepNum>
		<text>
			Disconnect the sway arm linkage. (Figures 9, 10)
		</text>
	</steps>
</section>

<section>    
    <image_double file1="..//AS-3523/AS-3523_010.jpg" alt1="9" title1="9" caption1="9" file2="..//AS-3523/AS-3523_011.jpg" alt2="10" title2="10" caption2="10" />
  </section>

<section>
	<steps>
		<stepNum>
			10
		</stepNum>
		<text>
			Unclip and unroute all brake/air lines surrounding the strut for removal. (Figures 11, 12)
		</text>
	</steps>
</section>

<section>    
    <image_double file1="..//AS-3523/AS-3523_012.jpg" alt1="11" title1="11" caption1="11" file2="..//AS-3523/AS-3523_013.jpg" alt2="12" title2="12" caption2="12" />
  </section>

<section>
	<steps>
		<stepNum>
			11
		</stepNum>
		<text>
			Disconnect the electrical harness from the strut’s lower solenoids. (Figures 13, 14)
		</text>
	</steps>
</section>

<section>    
    <image_double file1="..//AS-3523/AS-3523_014.jpg" alt1="13" title1="13" caption1="13" file2="..//AS-3523/AS-3523_015.jpg" alt2="14" title2="14" caption2="14" />
  </section>

<section>
	<steps>
		<stepNum>
			12
		</stepNum>
		<text>
			Loosen and remove the bottom mount bolt from the strut. (Figures 15, 16)
		</text>
	</steps>
</section>

<section>    
    <image_double file1="..//AS-3523/AS-3523_016.jpg" alt1="15" title1="15" caption1="15" file2="..//AS-3523/AS-3523_017.jpg" alt2="16" title2="16" caption2="16" />
  </section>

<section>
	<steps>
		<stepNum>
			13
		</stepNum>
		<text>
			Carefully remove the strut assembly. (Figure 17)
		</text>
	</steps>
</section>

<section>    
    <image_single file="..//AS-3523/AS-3523_018.jpg" caption="17" alt="17" title="17" />
  </section>

<section>
	<steps>
		<stepNum>
			14
		</stepNum>
		<text>
			Save and reuse the wire retainer below. (Figure 18) 
Use the two (2) Arnott provided cable ties to reattach retainer on new strut during installation.
		</text>
	</steps>
</section>

<section>    
    <image_single file="..//AS-3523/AS-3523_019.jpg" caption="18" alt="18" title="18" />
  </section>

<section>
	<steps>
		<stepNum>
			15
		</stepNum>
		<text>
			Removal complete.
		</text>
	</steps>
</section>

<section>
    <headline_large_left>Air Strut Installation</headline_large_left>
 </section>

<section>
    <warning>
    	Tighten all nuts and bolts to manufacturer’s specifications during the installation process.
    </warning>
  </section>

<section>
	<steps>
		<stepNum>
			1
		</stepNum>
		<text>
			Remove shipping plug from check valve and dispose. Install Arnott provided air fitting and tighten snugly. Remove the shipping pin from the air fitting and dispose. Use the figures below as an example. (Figures 19, 20, 21, 22)
		</text>
	</steps>
</section>

<section>    
    <image_quad file1="..//AS-3523/AS-3523_020.jpg" alt1="19" title1="19" caption1="19" file2="..//AS-3523/AS-3523_021.jpg" alt2="20" title2="20" caption2="20" file3="..//AS-3523/AS-3523_022.jpg" alt3="21" title3="21" caption3="21" file4="..//AS-3523/AS-3523_023.jpg" alt4="22" title4="22" caption4="22"/>
  </section>

<section>
	<steps>
		<stepNum>
			2
		</stepNum>
		<text>
			Install the Arnott strut into the vehicle. (Figure 23)
		</text>
	</steps>
</section>

<section>    
    <image_single file="..//AS-3523/AS-3523_024.jpg" caption="23" alt="23" title="23" />
  </section>

<section>
	<steps>
		<stepNum>
			3
		</stepNum>
		<text>
			Connect the electrical harness to the strut’s lower solenoids. (Figures 24, 25)
		</text>
	</steps>
</section>

<section>    
    <image_double file1="..//AS-3523/AS-3523_025.jpg" alt1="24" title1="24" caption1="24" file2="..//AS-3523/AS-3523_026.jpg" alt2="25" title2="25" caption2="25" />
  </section>

<section>
	<steps>
		<stepNum>
			4
		</stepNum>
		<text>
			Connect the electrical harness to the strut’s lower solenoids. (Figures 26, 27)
		</text>
	</steps>
</section>

<section>    
    <image_double file1="..//AS-3523/AS-3523_027.jpg" alt1="26" title1="26" caption1="26" file2="..//AS-3523/AS-3523_028.jpg" alt2="27" title2="27" caption2="27" />
  </section>

<section>
	<steps>
		<stepNum>
			5
		</stepNum>
		<text>
			Reroute and clip all brake/air lines back into place on the wire retainer. (Figures 28, 29)
		</text>
	</steps>
</section>

<section>    
    <image_double file1="..//AS-3523/AS-3523_029.jpg" alt1="28" title1="28" caption1="28" file2="..//AS-3523/AS-3523_030.jpg" alt2="29" title2="29" caption2="29" />
  </section>

<section>
	<steps>
		<stepNum>
			6
		</stepNum>
		<text>
			Reconnect the sway arm linkage. (Figures 30, 31)
		</text>
	</steps>
</section>

<section>    
    <image_double file1="..//AS-3523/AS-3523_031.jpg" alt1="30" title1="30" caption1="30" file2="..//AS-3523/AS-3523_032.jpg" alt2="31" title2="31" caption2="31" />
  </section>

<section>
	<steps>
		<stepNum>
			7
		</stepNum>
		<text>
			Reconnect the ride height sensor electrical connection. (Figure 32)
		</text>
	</steps>
</section>

<section>    
    <image_single file="..//AS-3523/AS-3523_033.jpg" caption="32" alt="32" title="32" />
  </section>

<section>
	<steps>
		<stepNum>
			8
		</stepNum>
		<text>
			Reconnect the two (2) top mount electrical connections. (Figures 33, 34)
		</text>
	</steps>
</section>

<section>    
    <image_double file1="..//AS-3523/AS-3523_034.jpg" alt1="33" title1="33" caption1="33" file2="..//AS-3523/AS-3523_035.jpg" alt2="34" title2="34" caption2="34" />
  </section>

<section>
	<steps>
		<stepNum>
			9
		</stepNum>
		<text>
			Reinstall the three (3) top mount nuts and tighten to manufacturer’s specifications. (Figure 35)
		</text>
	</steps>
</section>

<section>    
    <image_single file="..//AS-3523/AS-3523_036.jpg" caption="35" alt="35" title="35" />
  </section>

<section>
	<headline_medium_left>REMOVAL</headline_medium_left>
</section>

<section>
    <warning>
    	Prior to inserting the existing air line into the new air strut you will need to remove the old original equipment air line fitting and discard.
    </warning>
  </section>
  
  <section>
  	<note>
  		SCRATCHES AND/OR DEEP CUTS IN THE AIR LINE CAN RESULT IN POSSIBLE LEAKS. INSPECT THE AIR LINE BEFORE INSERTION. AIR LINE NEEDS TO BE REPLACED IF DAMAGED.
  	</note>
  </section>
  
  <section>    
    <image_quad file1="..//AS-3523/AS-3523_037.jpg" alt1="4-1: OE AIR LINE FITTING" title1="4-1: OE AIR LINE FITTING" caption1="4-1: OE AIR LINE FITTING" file2="..//AS-3523/AS-3523_038.jpg" alt2="4-2: SLIDE THE THREADED PORTION UP THE LINE AND SPREAD THE COLLET OPEN TO REMOVE" title2="4-2: SLIDE THE THREADED PORTION UP THE LINE AND SPREAD THE COLLET OPEN TO REMOVE" caption2="4-2: SLIDE THE THREADED PORTION UP THE LINE AND SPREAD THE COLLET OPEN TO REMOVE" file3="..//AS-3523/AS-3523_039.jpg" alt3="4-3: SLIDE THE AIR FITTING OFF OF THE AIR LINE" title3="4-3: SLIDE THE AIR FITTING OFF OF THE AIR LINE" caption3="4-3: SLIDE THE AIR FITTING OFF OF THE AIR LINE" file4="..//AS-3523/AS-3523_040.jpg" alt4="4-4: DISCARD OE AIR LINE FITTING" title4="4-4: DISCARD OE AIR LINE FITTING" caption4="4-4: DISCARD OE AIR LINE FITTING"/>
  </section>

<section>
	<steps>
		<stepNum>
			10
		</stepNum>
		<text>
			Reinstall the air line. Push the air line into the new air fitting until it is seated completely. Pull gently on the air line to ensure it is fully seated in the air fitting. (Figure 36)
		</text>
	</steps>
</section>

<section>    
    <image_single file="..//AS-3523/AS-3523_041.jpg" caption="36" alt="36" title="36" />
  </section>

<section>
	<steps>
		<stepNum>
			11
		</stepNum>
		<text>
			Reinstall any applicable trim or panels under the hood. Close the hood.
		</text>
	</steps>
</section>

<section>
	<steps>
		<stepNum>
			12
		</stepNum>
		<text>
			Reinstall the wheel.
		</text>
	</steps>
</section>

<section>
	<steps>
		<stepNum>
			13
		</stepNum>
		<text>
			Installation complete.
		</text>
	</steps>
</section>  
  <footer>
  	<!-- Auto manual = 0
  		Motorcycle manual = 1 -->
  	<manualtype>0</manualtype>
  	
  	<partNumber>AS-3523</partNumber>
  	<revision>REV 01</revision>
  	<date>August 27, 2024</date>
  </footer>
    
</manual>
