MANGUERA DE DIRECCIÓN ASISTIDA

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Operating Principle</div> <div class="b-chevron open" id="qf-chevron-b1">&#9650;</div> </div> <div class="b-body open" id="qf-body-b1"> <p class="qf-intro-lead">The <strong>Ford 1469170</strong> is the <strong>Power Steering High-Pressure Hose Assembly (Feed Line) &#8212; Pump to Rack</strong> fitted to <strong>Ford Focus Mk2 (DA/HCP/DP)</strong> and <strong>Ford C-MAX Mk1 (DM2)</strong> built 2004-2012. The component is identified in Ford EU service documentation as "Hydraulic Hose, steering system from hydraulic pump to steering gear, without box nut." It is a high-pressure hydraulic hose assembly conveying pressurised power steering fluid between the engine-driven vane pump and the steering rack's rotary valve input port, operating at 80-160 bar continuous working pressure (200 bar peak transient at full-lock manoeuvres). The hose has pre-crimped steel end fittings for leak-free connection at both pump outlet and rack inlet positions.</p> <div class="qf-info-box"><strong>Specific Ford C1 platform application.</strong> The 1469170 / 1704088 / 1743276 / 1477817 supersession chain covers Ford C1 platform hydraulic power steering applications &#8212; specifically Focus Mk2 and C-MAX Mk1 vehicles with conventional hydraulic power steering (NOT electric power steering). Ford EU long-format references "4M51-3A212-CE" and "4M51-3691-AA" confirm "4M51" = Focus Mk2 / C-MAX chassis platform code. Ford progressively transitioned to Electric Power Assisted Steering (EPAS) from 2010 onwards; vehicles with EPAS do NOT use hydraulic high-pressure hoses.</div> <div class="qf-spec-row"> <div class="qf-spec-item"><div class="qf-spec-label">Brand part number</div><div class="qf-spec-value">Ford 1469170</div></div> <div class="qf-spec-item"><div class="qf-spec-label">Component type</div><div class="qf-spec-value">Power Steering High-Pressure Hose (Pump to Rack)</div></div> <div class="qf-spec-item"><div class="qf-spec-label">Working pressure</div><div class="qf-spec-value">80&#8211;160 bar continuous, 200 bar peak</div></div> <div class="qf-spec-item"><div class="qf-spec-label">Construction</div><div class="qf-spec-value">Wire-braid reinforced synthetic rubber + steel end fittings (pre-crimped)</div></div> <div class="qf-spec-item"><div class="qf-spec-label">Vehicle application</div><div class="qf-spec-value">Ford Focus Mk2 (2004-2012), Ford C-MAX Mk1 (2003-2010)</div></div> <div class="qf-spec-item"><div class="qf-spec-label">Fluid spec</div><div class="qf-spec-value">Ford-approved power steering fluid (typically ATF Mercon-V or Ford WSS-M2C204-A2)</div></div> </div> <div class="qf-sub-head">OEM Cross-References</div> <div class="qf-cross-grid"> <div class="qf-cross-card"><div class="qf-cross-brand">Ford Genuine (current)</div><div class="qf-cross-num">1469170</div><div class="qf-cross-status">&#10003; Ford EU primary reference</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Ford Genuine (supersession)</div><div class="qf-cross-num">1704088</div><div class="qf-cross-status">&#10003; Ford supersession reference</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Ford Genuine (supersession)</div><div class="qf-cross-num">1743276</div><div class="qf-cross-status">&#10003; Most commonly listed supersession reference</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Ford Genuine (early)</div><div class="qf-cross-num">1477817</div><div class="qf-cross-status">&#10003; Early supersession reference</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Ford Genuine (alternate)</div><div class="qf-cross-num">1488112 / 1094672 / 1150745</div><div class="qf-cross-note">Additional Ford alternates documented in EU aftermarket catalogues</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Ford EU (long format)</div><div class="qf-cross-num">4M51-3A212-CE</div><div class="qf-cross-status">&#10003; Ford EU long format; "4M51" = Focus Mk2 / C-MAX chassis platform</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Ford EU (long format)</div><div class="qf-cross-num">4M51-3691-AA</div><div class="qf-cross-note">Ford EU long-format alternate</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Ford EU (alternate format)</div><div class="qf-cross-num">1S41-3A719-JD</div><div class="qf-cross-note">Ford EU long-format Focus / Mondeo-era reference</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Aftermarket (Vaico)</div><div class="qf-cross-num">V25-1890</div><div class="qf-cross-status">&#10003; Vaico aftermarket equivalent</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Aftermarket (Metzger)</div><div class="qf-cross-num">2361013 / 2361062</div><div class="qf-cross-status">&#10003; Metzger aftermarket equivalents</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Aftermarket (Triscan)</div><div class="qf-cross-num">8516 16038</div><div class="qf-cross-status">&#10003; Triscan aftermarket equivalent</div></div> </div> <div class="qf-sub-head">Operating Principle</div> <p class="qf-para">The Focus Mk2 / C-MAX hydraulic power steering system has 4 components: <strong>(1) Engine-driven vane pump</strong> belt-driven, 80-160 bar working pressure; <strong>(2) High-pressure feed hose (1469170)</strong> routing pressurised fluid pump to rack; <strong>(3) Steering rack with integrated rotary valve</strong> directing fluid to hydraulic piston sides depending on steering input; <strong>(4) Low-pressure return hose</strong> returning spent fluid to reservoir.</p> <p class="qf-para">3-layer construction: <strong>inner tube</strong> (synthetic rubber, ATF/PS-fluid compatible); <strong>reinforcement layer</strong> (steel wire braid, 200+ bar burst capability); <strong>outer jacket</strong> (synthetic rubber, heat/ozone/fluid resistant). End fittings are swaged steel assemblies providing leak-free unions. Routing has specific bend radii and clearances from exhaust and accessories.</p> <p class="qf-para">Three failure mechanisms: <strong>(1) internal rubber tube delamination</strong> = flow restriction, heavy steering at sustained lock without leak; <strong>(2) external jacket cracking</strong> from heat / ozone exposes wire braid to corrosion; <strong>(3) fitting-to-hose joint weeping</strong> from pressure fatigue &#8212; oily residue progressing to active drip under full lock.</p> </div> </div> </div> <div class="qf-block"> <div class="b-section"> <div class="b-header" onclick="qfToggle('b2')"> <div class="b-title">Symptoms &amp; Diagnostics</div> <div class="b-chevron open" id="qf-chevron-b2">&#9650;</div> </div> <div class="b-body open" id="qf-body-b2"> <div class="qf-symptom"><strong>Power steering fluid leak with oily residue at hose fittings or along hose body</strong> &#8212; Most common failure symptom. Visible as wet staining on adjacent engine bay components. <strong>Diagnostic procedure</strong>: degrease entire power steering circuit, run engine 5 minutes with full-lock inputs in both directions, then inspect every fitting and hose surface for fresh fluid &#8212; leak point becomes immediately visible against clean background.</div> <div class="qf-symptom"><strong>Heavy steering at sustained full-lock conditions</strong> &#8212; Steering becomes progressively harder to hold at full lock after 5-10 seconds despite pump running. Internal hose delamination has partially collapsed bore, restricting fluid flow to rack at maximum demand. Symptom most apparent at full lock where flow demand is highest; partial steering angles show no perceptible heaviness.</div> <div class="qf-symptom"><strong>Whining noise from pump under full-lock combined with reduced assistance</strong> &#8212; Restricted hose causes pump to cavitate as it attempts to push rated flow through reduced bore. Cavitation noise increases with steering demand. <strong>Common on Ford Focus Mk2 with 2.0L Duratec applications</strong> where power steering pump operates at high duty cycle.</div> <div class="qf-symptom"><strong>Power steering fluid level dropping progressively without visible puddle</strong> &#8212; Slow weeping leak at hose fitting evaporating or being consumed by engine heat before forming visible puddle. <strong>Diagnostic</strong>: add UV dye to fluid, inspect with UV lamp after period of driving to locate slow leak source.</div> <div class="qf-symptom"><strong>Oily residue on accessory belt or engine bay components below hose routing path</strong> &#8212; Leak at pump outlet fitting or along hose body spraying fluid onto adjacent components. <strong>Critical</strong>: fluid on accessory belt causes belt glazing and slipping (audible squeal under electrical and steering load). <strong>Replace BOTH hose and belt</strong> if belt fluid contamination confirmed.</div> <div class="qf-symptom"><strong>Visible external cracking, chafing damage, or exposed wire braid along hose body</strong> &#8212; Hose with visible reinforcement layer damage is at risk of pressure rupture. <strong>Safety critical</strong>: identify and correct underlying contact point causing chafe damage before fitting replacement hose &#8212; otherwise repeat failure within a short period.</div> <div class="qf-info-box"><strong>Diagnosis sequence:</strong> (1) <strong>Visual inspection</strong> entire hose length and both end fittings for leak / chafe / cracking signs. (2) <strong>Degrease and test cycle</strong> &#8212; clean circuit, run engine 5 min full-lock both ways, identify fresh fluid. (3) <strong>UV dye test</strong> for slow weeping leaks not visible by direct inspection. (4) <strong>System pressure test</strong> &#8212; install Ford pressure gauge at rack inlet; healthy system reads 80-160 bar; low pressure at rack with correct pump output = hose restriction (internal delamination). (5) <strong>Inspect accessory belt</strong> for fluid contamination indicators (glazing, oil streak); replace if confirmed. (6) <strong>Inspect hose routing</strong> for evidence of chafe contact with exhaust manifold, accessory pulleys, or steering column &#8212; address underlying contact before fitting new hose.</div> </div> </div> </div> <div class="qf-block"> <div class="b-section"> <div class="b-header" onclick="qfToggle('b3')"> <div class="b-title">Logistics &amp; Customs</div> <div class="b-chevron open" id="qf-chevron-b3">&#9650;</div> </div> <div class="b-body open" id="qf-body-b3"> <table class="qf-logistics-table"> <tr><td>International HS Code</td><td>4009.32</td></tr> <tr><td>EAEU Customs Code (TN VED)</td><td>4009 32 000 0</td></tr> <tr><td>Country of Manufacture</td><td>China</td></tr> <tr><td>Quality standard</td><td>IATF 16949</td></tr> <tr><td>Hazardous goods</td><td>No</td></tr> <tr><td>Shipping weight per piece</td><td>1.2 kg (1200 grams)</td></tr> <tr><td>Packaging</td><td>Individual carton with part label, fitting protective caps, and protective foam; bulk packaging available for wholesale orders</td></tr> </table> <p style="font-size:12px;color:#888;margin-top:12px;font-style:italic">Tubes, pipes and hoses of vulcanised rubber other than hard rubber, reinforced or otherwise combined only with textile materials, with fittings, are classified under <strong>HS 4009.32</strong>. Confirm exact 10-digit subheading with your customs broker. Commercial invoice description: hydraulic high-pressure hose assembly (power steering system feed line, pump to steering rack), wire-braid reinforced synthetic rubber inner tube with pre-crimped steel end fittings, rated 80-160 bar continuous working pressure / 200 bar peak transient pressure, for passenger vehicle hydraulic power steering system.</p> </div> </div> </div> <div class="qf-block"> <div class="b-section"> <div class="b-header" onclick="qfToggle('b4')"> <div class="b-title">Vehicle Compatibility</div> <div class="b-chevron open" id="qf-chevron-b4">&#9650;</div> </div> <div class="b-body open" id="qf-body-b4"> <div class="qf-info-box"><strong>Ford C1 platform vehicles with hydraulic power steering, 2003-2012 production.</strong> The 1469170 / 1704088 / 1743276 / 1477817 supersession chain covers Ford C1 platform applications during the hydraulic power steering era. Verified compatibility:</div> <table class="qf-compat-table"> <thead><tr><th>Vehicle</th><th>Years &amp; engine variants</th></tr></thead> <tbody> <tr><td>Ford Focus Mk2 Hatchback (DA / HCP)</td><td>2004-2012, 1.4L / 1.6L / 1.8L / 2.0L Duratec petrol; 1.4L / 1.6L / 1.8L / 2.0L TDCi diesel</td></tr> <tr><td>Ford Focus Mk2 Saloon (DA / FCH)</td><td>2004-2012, same engine variants as hatchback</td></tr> <tr><td>Ford Focus Mk2 Estate (DA / FFS / DS)</td><td>2004-2012, same engine variants</td></tr> <tr><td>Ford Focus Cabriolet (DA / DB)</td><td>2007-2010 convertible, 1.6L / 2.0L petrol; 2.0L TDCi diesel</td></tr> <tr><td>Ford C-MAX (DM2) Mk1 first generation</td><td>2003-2007 MPV, 1.6L / 1.8L / 2.0L Duratec petrol; 1.6L / 1.8L / 2.0L TDCi diesel</td></tr> <tr><td>Ford C-MAX (DM2) Mk1 facelift</td><td>2007-2010 MPV (facelift), same engine variants</td></tr> </tbody> </table> <p style="font-size:12px;color:#888;margin-top:10px;font-style:italic">Does NOT fit: <strong>Ford Focus Mk1 (1998-2004 previous generation)</strong> &#8212; different platform, different hose references; <strong>Ford Focus Mk3 (2010-2018) and Focus Mk4 (2018+)</strong> &#8212; predominantly equipped with Electric Power Assisted Steering (EPAS) eliminating the hydraulic hose entirely; <strong>Ford C-MAX Mk2 (2010-2019, post-DM2 generation)</strong> &#8212; uses EPAS, no hydraulic hose; <strong>Ford Fiesta (any generation)</strong> &#8212; different platform with different power steering hose references; <strong>Ford Mondeo / Galaxy / S-MAX (CD platform)</strong> &#8212; different chassis with different hose references; <strong>Ford Focus Mk2 with EPAS option (selected later 2009-2012 model years)</strong> &#8212; EPAS-equipped vehicles do NOT use this hydraulic hose; verify by inspecting under-bonnet for steering hydraulic system presence; <strong>Ford USA-market vehicles outside C1 platform applications</strong> &#8212; verify by Ford USA catalogue for your specific vehicle and trim. Always verify by reading the OEM number stamped on existing hose, or confirming with Ford parts catalogue by VIN, before ordering.</p> </div> </div> </div> <div class="qf-block"> <div class="b-section"> <div class="b-header" onclick="qfToggle('b5')"> <div class="b-title">Installation Tips</div> <div class="b-chevron open" id="qf-chevron-b5">&#9650;</div> </div> <div class="b-body open" id="qf-body-b5"> <p class="qf-para" style="margin-bottom:14px">Difficulty: <strong>Moderate.</strong> Estimated time: 60&#8211;120 minutes. <strong>Access constraints</strong> &#8212; pump end fitting requires accessory belt removal on most Focus Mk2 / C-MAX applications; rack end fitting requires lower radiator air deflector removal.</p> <ol class="qf-steps"> <li><div class="qf-step-num">1</div><div class="qf-step-text"><strong>Allow engine to cool fully</strong> before disconnecting any power steering hose fitting. Hydraulic fluid reaches 80-100&deg;C at operating temperature and system retains residual pressure after shutdown. Disconnect reservoir cap to release system pressure before opening any fitting.</div></li> <li><div class="qf-step-num">2</div><div class="qf-step-text"><strong>Position drain container</strong> below hose routing path &#8212; residual fluid in hose will drain when fittings loosened. Have absorbent cloths ready at both fitting positions.</div></li> <li><div class="qf-step-num">3</div><div class="qf-step-text"><strong>Remove accessory belt</strong> (Focus Mk2 / C-MAX-specific procedure) for pump pulley clearance to pump fitting. Note belt routing for refitting.</div></li> <li><div class="qf-step-num">4</div><div class="qf-step-text"><strong>Remove lower radiator air deflector</strong> for steering rack fitting access. Some applications require removing battery and battery tray for engine bay access.</div></li> <li><div class="qf-step-num">5</div><div class="qf-step-text"><strong>Detach pressure line from line retainer clip</strong> and note routing through engine bay clip positions. On vehicles with automatic transmission, disconnect Turbine Shaft Speed (TSS) sensor connector at transmission and position away from pressure line.</div></li> <li><div class="qf-step-num">6</div><div class="qf-step-text"><strong>Use correct open-ended spanners or flare nut crow-foot wrenches</strong> for both fittings. Power steering high-pressure fittings use flare connections with specific hex sizes. Using adjustable spanners rounds the fitting hex and makes future removal impossible. Apply second spanner to adapter / union at pump or rack to prevent adapter rotation with fitting.</div></li> <li><div class="qf-step-num">7</div><div class="qf-step-text"><strong>Disconnect both end fittings</strong> and remove old hose from engine bay routing path. Photograph routing details before removal &#8212; new hose must follow exactly same path for clearance from hot exhaust components, rotating accessory pulleys, and steering column.</div></li> <li><div class="qf-step-num">8</div><div class="qf-step-text"><strong>Compare new hose to old</strong> &#8212; verify length, curvature profile, end fitting threads / sealing geometry, and intermediate clip positions match exactly. Confirm OEM 1469170 or supersession 1704088 / 1743276 / 1477817 / 1488112.</div></li> <li><div class="qf-step-num">9</div><div class="qf-step-text"><strong>Replace sealing O-rings</strong> at fittings &#8212; on Focus Mk2 applications, some fittings use O-ring seals (single-use components that must be replaced at each disturbance). Lubricate new O-rings with power steering fluid before installation.</div></li> <li><div class="qf-step-num">10</div><div class="qf-step-text"><strong>Install new hose in engine bay routing path</strong> following photographed routing exactly. Reattach pressure line to retainer clips. Verify clearance from hot exhaust components and rotating pulleys.</div></li> <li><div class="qf-step-num">11</div><div class="qf-step-text"><strong>Torque both end fittings to OEM specification</strong> using torque wrench. Focus Mk2 / C-MAX power steering high-pressure fittings typically torqued to 25-55 Nm depending on fitting size. <strong>Critical</strong>: undertightening at 160 bar produces immediate leak; overtightening strips rack or pump housing thread.</div></li> <li><div class="qf-step-num">12</div><div class="qf-step-text"><strong>Refill reservoir with correct power steering fluid</strong>, bleed system by turning steering slowly lock-to-lock 5 times with front wheels off ground. Top up reservoir as level drops. Start engine and repeat lock-to-lock bleeding. <strong>Inspect all fittings under pressure for weeping</strong>; confirm steering assistance is light and consistent at all angles; verify no leaks after 10-minute test drive.</div></li> </ol> <div class="qf-tool-row"><strong>Tools required:</strong> Vehicle lift or axle stands rated for vehicle weight; flare nut crow-foot wrenches (16mm / 18mm / 22mm); torque wrench (25-60 Nm range); accessory belt removal tools (varies by Focus Mk2 / C-MAX application); drain container (2+ L capacity); absorbent cloths; new sealing O-rings (if required); power steering fluid (Ford WSS-M2C204-A2 or specified ATF type); UV dye kit for post-repair leak verification; jack and axle stands for front wheel lifting during bleeding.</div> </div> </div> </div> <div class="qf-block"> <div class="b-section"> <div class="b-header" onclick="qfToggle('b6')"> <div class="b-title">Frequently Asked Questions</div> <div class="b-chevron open" id="qf-chevron-b6">&#9650;</div> </div> <div class="b-body open" id="qf-body-b6"> <div class="qf-faq-item"> <div class="qf-faq-q"><span class="qf-faq-q-icon">Q</span>Can a leaking power steering fitting be sealed with thread sealant rather than replacing the hose assembly?</div> <div class="qf-faq-a"><strong>No.</strong> Thread sealant is not an acceptable repair for leaking power steering high-pressure fittings. The fitting seals on metal-to-metal face or O-ring contact under defined clamp load &#8212; applying thread sealant changes the friction coefficient of the thread, altering the relationship between torque and clamping force, potentially producing undertightening of the sealing face. Standard thread sealants are also not rated for sustained operation at 160 bar and will wash out rapidly under fluid velocity. <strong>Correct repair</strong>: new O-rings (or new banjo washers if applicable), correct torque, and hose replacement if fitting face is damaged.</div> </div> <div class="qf-faq-item"> <div class="qf-faq-q"><span class="qf-faq-q-icon">Q</span>What power steering fluid specification must be used on Ford Focus Mk2 / C-MAX?</div> <div class="qf-faq-a">Ford Focus Mk2 / C-MAX hydraulic power steering systems typically specify <strong>Ford WSS-M2C204-A2 power steering fluid</strong> or a compatible ATF Mercon-V type fluid depending on production year. Always confirm specification from reservoir cap label or Ford service handbook before filling. <strong>Critical</strong>: ATF and dedicated PS fluid are NOT universally interchangeable &#8212; their additive packages, viscosity grades, and seal compatibility differ significantly. Mixing incompatible fluids generates deposits that block pump flow control valve and accelerates seal degradation throughout the hydraulic circuit, including the new hose's inner tube compound.</div> </div> <div class="qf-faq-item"> <div class="qf-faq-q"><span class="qf-faq-q-icon">Q</span>Does the 1469170 supersession chain (1704088 / 1743276 / 1477817) cover variant Ford Focus Mk2 applications with different engines?</div> <div class="qf-faq-a">The 1469170 / 1704088 / 1743276 / 1477817 / 1488112 supersession chain covers <strong>Ford Focus Mk2 and C-MAX Mk1 applications with hydraulic power steering across the full engine range</strong> &#8212; 1.4L / 1.6L / 1.8L / 2.0L Duratec petrol and 1.4L / 1.6L / 1.8L / 2.0L TDCi diesel. The hose routing and end fittings are common across the C1 platform; engine-specific variations primarily affect pump pulley orientation rather than hose specification. <strong>Verify by reading the OEM number stamped on existing hose</strong> before ordering &#8212; some specific engine / trim combinations may use alternate references not in this primary chain (consult Ford parts catalogue by VIN).</div> </div> <div class="qf-faq-item"> <div class="qf-faq-q"><span class="qf-faq-q-icon">Q</span>Should the low-pressure return hose be replaced simultaneously with the high-pressure hose?</div> <div class="qf-faq-a"><strong>Strongly recommended.</strong> The low-pressure return hose shares same age, fluid exposure, and thermal cycling as the high-pressure feed hose. Although return hose operates at near-atmospheric pressure and uses simpler construction, its rubber compound degrades at same rate from ozone and heat &#8212; a return hose that is cracked or swollen at high mileage will fail within short interval of high-pressure hose replacement, requiring complete drainage and refill procedure to be repeated. <strong>Cost-effective approach</strong>: replace both hoses simultaneously during single fluid draining and refilling operation. Inexpensive return hose investment compared to labour cost of repeat service visit.</div> </div> <div class="qf-faq-item"> <div class="qf-faq-q"><span class="qf-faq-q-icon">Q</span>Is white-label or custom packaging available for Ford specialist distributors?</div> <div class="qf-faq-a">Yes. ok.parts sources directly from manufacturing facility. White-label packaging with vehicle application label (Ford Focus Mk2 / C-MAX Mk1 power steering high-pressure hose 2003-2012) available for wholesale. Mixed SKU consolidation with return hoses, power steering pumps, ATF, and rack components supported. Use Send Inquiry form.</div> </div> </div> </div> </div> <div class="qf-block"> <div class="b-section"> <div class="b-header" onclick="qfToggle('b7')"> <div class="b-title">Frequently Replaced Together</div> <div class="b-chevron open" id="qf-chevron-b7">&#9650;</div> </div> <div class="b-body open" id="qf-body-b7"> <table class="qf-frt-table"> <thead><tr><th>Part</th><th>Reference</th><th>Reason for Combined Replacement</th></tr></thead> <tbody> <tr> <td>Power Steering Return Hose (low-pressure)</td> <td>Ford-specific return hose for Focus Mk2 / C-MAX application</td> <td>Shares same age, fluid exposure, and thermal cycling as high-pressure feed hose. Return hose rubber compound degrades at same rate from ozone / heat. Replace simultaneously during fluid draining and refilling operation to avoid repeat service visit.</td> </tr> <tr> <td>Power Steering Pump</td> <td>Ford Focus Mk2 / C-MAX vane pump assembly</td> <td>A high-pressure hose that has failed from internal delamination producing flow restriction has been causing the pump to cavitate and overpressure on every full-lock manoeuvre. Pump operating in cavitation accelerates vane wear and reduces output pressure. <strong>If</strong> hose replacement does not restore full steering assistance and pump output pressure remains below specification, pump requires simultaneous replacement.</td> </tr> <tr> <td>Power Steering Fluid (correct spec)</td> <td>Ford WSS-M2C204-A2 or ATF Mercon-V (verify by reservoir cap label)</td> <td><strong>Mandatory.</strong> Hose replacement requires draining and refilling circuit &#8212; this is mandatory time to renew fluid if overdue. Degraded power steering fluid with oxidised additive package accelerates hose inner tube degradation and rack seal wear. Always refill with fresh OEM-spec fluid; cost is negligible relative to labour of repeat service from fluid-induced degradation.</td> </tr> <tr> <td>O-Rings / Sealing Washers</td> <td>Ford fitting O-rings / banjo washers (varies by fitting design)</td> <td>Single-use sealing components &#8212; banjo washers crush to seal on first torquing; O-rings deform to sealing profile. Reusing old seals = immediate leak at 160 bar system pressure. Always have new sealing components of correct material and size before beginning fitting removal.</td> </tr> <tr> <td>Accessory Belt</td> <td>Ford Focus Mk2 / C-MAX accessory belt (varies by engine)</td> <td><strong>Replace if</strong> belt is fluid-contaminated from prior power steering leak. Power steering fluid causes belt glazing and slipping (audible squeal under electrical / steering load). Fluid-contaminated belt cannot be cleaned restore reliable function; replace simultaneously with hose service.</td> </tr> </tbody> </table> </div> </div> </div> </div> <script> function qfToggle(id){ document.getElementById('qf-body-'+id).classList.toggle('open'); document.getElementById('qf-chevron-'+id).classList.toggle('open'); } </script>