КЛАПАН ИЗМЕНЕНИЯ ФАЗ ГРМ

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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>Renault 7701208174</strong> is the <strong>EPC (Electronic Pressure Control) Solenoid Valve / Modulating Pressure Solenoid</strong> fitted to the <strong>AL4 / DP0 4-speed automatic transmission</strong> &mdash; the Renault-PSA joint-venture gearbox produced from 1997 onwards and fitted across an extensive range of Renault, Peugeot, Citroen, Fiat, and Lancia vehicles. The component is a 2-pin electromagnetic solenoid valve with steel body and polymer connector tab, mounted on the transmission valve body. The EPC solenoid is a variable-force solenoid that modulates main line pressure in the AL4/DP0 hydraulic system proportionally to ECU command, providing smooth shift quality and correct hydraulic clamping force on the planetary gear set bands and clutches.</p> <div class="qf-info-box"><strong>AL4 / DP0 transmission identification.</strong> AL4 (Citroen / Peugeot brand designation) and DP0 (Renault brand designation) are the same 4-speed automatic gearbox developed jointly by Renault and PSA. All internal components including EPC solenoids are identical between AL4 and DP0 designations. The transmission was widely fitted across European compact and mid-size FWD applications from 1997 until approximately 2017. The AL4/DP0 uses 2 identical EPC solenoids; standard repair practice is pair replacement.</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">Renault 7701208174</div></div> <div class="qf-spec-item"><div class="qf-spec-label">Component type</div><div class="qf-spec-value">EPC Pressure Control Solenoid (AL4/DP0 auto transmission)</div></div> <div class="qf-spec-item"><div class="qf-spec-label">Transmission</div><div class="qf-spec-value">Renault-PSA AL4 / DP0 4-speed automatic</div></div> <div class="qf-spec-item"><div class="qf-spec-label">Function</div><div class="qf-spec-value">Main line pressure modulation (PWM-controlled)</div></div> <div class="qf-spec-item"><div class="qf-spec-label">Connector</div><div class="qf-spec-value">2-pin Renault/PSA transmission solenoid connector</div></div> <div class="qf-spec-item"><div class="qf-spec-label">Mounting</div><div class="qf-spec-value">Transmission valve body (oil pan must be dropped for access)</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">Renault Genuine (current)</div><div class="qf-cross-num">7701208174</div><div class="qf-cross-status">&#10003; Renault OEM primary reference</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Renault Genuine (alternate)</div><div class="qf-cross-num">7700870238</div><div class="qf-cross-status">&#10003; Renault alternate reference</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Renault Genuine (alternate)</div><div class="qf-cross-num">7701049088</div><div class="qf-cross-status">&#10003; Renault alternate / supersession</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Renault (short reference)</div><div class="qf-cross-num">257416 / 2574.16</div><div class="qf-cross-status">&#10003; Renault short / dot notation</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Universal long format</div><div class="qf-cross-num">0000257416</div><div class="qf-cross-status">&#10003; Universal supplier long format</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">PSA (Peugeot/Citroen)</div><div class="qf-cross-num">9653760480</div><div class="qf-cross-status">&#10003; PSA OEM format reference</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Fiat Genuine</div><div class="qf-cross-num">62938420</div><div class="qf-cross-status">&#10003; Fiat OEM format reference</div></div> <div class="qf-cross-card"><div class="qf-cross-brand">Aftermarket (Vaico)</div><div class="qf-cross-num">V42-77-0014</div><div class="qf-cross-status">&#10003; Vaico aftermarket equivalent</div></div> </div> <div class="qf-sub-head">Operating Principle</div> <p class="qf-para">The AL4/DP0 hydraulic control uses the EPC solenoid to modulate main line pressure proportionally to TCM command. TCM computes optimal line pressure based on throttle, engine load, vehicle speed, transmission temperature, and shift state. Line pressure must be high enough for firm clutch / band clamping but low enough for smooth shifts, and responsive for shift events. The EPC solenoid converts a PWM duty-cycle signal from TCM into a variable hydraulic pressure output.</p> <p class="qf-para">Internal construction: <strong>electromagnetic coil</strong> (1.5-5 ohm typical); <strong>steel plunger / armature</strong> sliding in a brass / aluminium sleeve; <strong>return spring</strong>; <strong>regulator pintle</strong> at plunger tip controlling oil flow; <strong>O-ring seals</strong> at solenoid base preventing valve body leakage. Plunger position is proportional to coil current &mdash; higher duty cycle = higher current = greater plunger travel = greater pressure modulation.</p> <p class="qf-para">Three failure mechanisms: <strong>(1) coil burnout</strong> from prolonged operation, voltage spikes, or wiring shorts; <strong>(2) plunger sticking</strong> from ATF varnish accumulation &mdash; erratic pressure modulation, harsh / slipping shifts; <strong>(3) O-ring seal failure</strong> from age and ATF degradation &mdash; external leak at solenoid base. The AL4/DP0 has 2 identical EPC solenoids; both fail at similar intervals &mdash; pair replacement is standard practice.</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>Harsh shift quality &mdash; gear changes felt as "thump" or jolt</strong> &mdash; EPC solenoid is stuck in high-pressure mode; clutches engage too aggressively because line pressure is excessive. Most common AL4/DP0 EPC solenoid failure presentation. Often progressive &mdash; starts with occasional harshness, worsens to every shift over weeks.</div> <div class="qf-symptom"><strong>Soft / slipping shifts &mdash; engine RPM flares between gears with delayed engagement</strong> &mdash; EPC solenoid stuck in low-pressure mode; insufficient line pressure for firm clutch clamping; clutches slip during engagement causing RPM flare. <strong>Critical</strong>: prolonged slipping wears clutch friction material rapidly; address solenoid issue immediately to prevent expensive clutch pack damage.</div> <div class="qf-symptom"><strong>Stored DTCs P0743 / P0748 / P0775 / P0778 / P0783 / DF112 / DF113 / DF114</strong> &mdash; AL4/DP0 EPC solenoid system DTCs. P0743 (Lock-up circuit), P0748 (Pressure Control Solenoid electrical), P0775-P0778 (Pressure Control Solenoid B), P0783 (3-4 shift). <strong>Renault-specific</strong>: DF112-DF114 range. Confirm with Renault Clip / PSA Diagbox / generic OBD-II scanner with Renault-specific module access.</div> <div class="qf-symptom"><strong>Transmission stuck in "limp home" mode &mdash; locked in single gear (typically 3rd)</strong> &mdash; TCM has detected critical EPC solenoid fault and activated emergency limp-home protection. Vehicle still drives but has no shift function. Diagnostic scan reveals stored EPC solenoid DTCs. Solenoid replacement typically restores normal operation after DTC clear and adaptive reset.</div> <div class="qf-symptom"><strong>External ATF leak at transmission valve body cover</strong> &mdash; EPC solenoid O-ring seal failure allowing oil to leak past solenoid threads. Visible as wet ATF residue under transmission oil pan area; ATF level dropping. Inspect for leak source; if confirmed at solenoid position, replace solenoid with new O-ring seal.</div> <div class="qf-symptom"><strong>Erratic shift behaviour &mdash; sometimes harsh, sometimes soft, on identical operating conditions</strong> &mdash; EPC solenoid plunger sticking intermittently from ATF varnish accumulation. Pressure modulation becomes inconsistent; behaviour varies trip-to-trip. Severe ATF degradation often accompanies solenoid varnish buildup; pair solenoid replacement with ATF + filter service.</div> <div class="qf-info-box"><strong>Diagnosis sequence:</strong> (1) <strong>Renault Clip / PSA Diagbox scan</strong> for P0743-P0783 + Renault DF112-DF114. (2) <strong>Coil resistance</strong> 1.5-5 ohms healthy; open = burnout, near-zero = short. (3) <strong>TCM live data</strong> duty cycle vs commanded pressure discrepancy = solenoid not responding. (4) <strong>ATF condition</strong> &mdash; should be red translucent; black/brown with burnt smell = degraded fluid + clutch material. (5) <strong>Inspect external leaks</strong> at solenoid. (6) <strong>Check ATF level</strong> &mdash; low level mimics EPC fault. <strong>AL4/DP0 has 2 EPC solenoids; replace as a pair</strong>.</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>8481.20</td></tr> <tr><td>EAEU Customs Code (TN VED)</td><td>8481 20 900 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>0.07 kg (70 grams)</td></tr> <tr><td>Packaging</td><td>Individual sealed blister pack with part label and protective foam; bulk wholesale packaging available</td></tr> </table> <p style="font-size:12px;color:#888;margin-top:12px;font-style:italic">Electromagnetic solenoid valves for hydraulic transmission control are classified under <strong>HS 8481.20</strong> (valves for oleohydraulic or pneumatic transmissions). Some destinations alternatively classify automotive transmission solenoids under <strong>HS 8543.70</strong> (electrical machines with individual functions). Confirm exact 10-digit subheading with your customs broker. Commercial invoice description: electromagnetic pressure control solenoid valve for automatic transmission valve body, 12V DC PWM-controlled, for Renault-PSA AL4 / DP0 4-speed automatic gearbox.</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>Massive cross-platform application range &mdash; Renault, Peugeot, Citroen, Fiat, Lancia with AL4 / DP0 4-speed automatic transmission, 1997 onwards.</strong> Verified compatibility:</div> <table class="qf-compat-table"> <thead><tr><th>Renault</th><th>Years &amp; engines</th></tr></thead> <tbody> <tr><td>Renault Clio II / III</td><td>1998-2012, 1.4L / 1.6L / 1.8L / 1.9L petrol &amp; diesel</td></tr> <tr><td>Renault Megane I / II / III</td><td>1998-2014, 1.4-2.0L petrol &amp; diesel variants</td></tr> <tr><td>Renault Scenic I / II / III</td><td>1998-2014, 1.6-2.0L variants</td></tr> <tr><td>Renault Laguna II</td><td>2001-2007, 1.6-2.0L variants</td></tr> <tr><td>Renault Kangoo</td><td>2001-2013 selected automatic transmission variants</td></tr> </tbody> </table> <table class="qf-compat-table" style="margin-top:14px"> <thead><tr><th>Peugeot</th><th>Years &amp; engines</th></tr></thead> <tbody> <tr><td>Peugeot 206 / 207 / 208</td><td>1998-2019 selected automatic variants</td></tr> <tr><td>Peugeot 306 / 307 / 308</td><td>1997-2017 selected automatic variants</td></tr> <tr><td>Peugeot 406 / 407</td><td>1997-2011</td></tr> <tr><td>Peugeot 806 / 807 / Expert</td><td>MPV / van applications with AL4</td></tr> </tbody> </table> <table class="qf-compat-table" style="margin-top:14px"> <thead><tr><th>Citroen</th><th>Years &amp; engines</th></tr></thead> <tbody> <tr><td>Citroen Berlingo / C2 / C3 / C4 / C5 / C8</td><td>1998-2017 selected automatic variants</td></tr> <tr><td>Citroen Xsara / Xsara Picasso</td><td>1998-2011</td></tr> <tr><td>Citroen DS3 / DS4</td><td>2009-2018 selected variants</td></tr> <tr><td>Citroen Jumpy / Evasion / ZX</td><td>Older C2 platform applications</td></tr> </tbody> </table> <p style="font-size:12px;color:#888;margin-top:10px;font-style:italic"><strong>Additional brands</strong>: Fiat (select FWD applications with PSA-shared AL4 transmission), Lancia (DP0 applications). <strong>Chinese FUKANG</strong> = Citroen Xsara Chinese license-build with AL4 transmission. Does NOT fit: <strong>Renault / PSA vehicles with manual transmission</strong>; <strong>Renault / PSA vehicles with newer DCT (EDC) or CVT transmissions</strong> &mdash; AT8 / AT6 / EDC dual-clutch units use different solenoid families; <strong>Newer Renault automatic vehicles with Aisin or ZF transmissions</strong> &mdash; different solenoid references; <strong>Renault Twingo / Wind / Modus</strong> with different transmission variants &mdash; verify. Always verify specifically that vehicle has AL4 / DP0 transmission before ordering &mdash; transmission identification stamp on bell housing confirms AL4 (PSA stamp) or DP0 (Renault stamp). The transmission was discontinued from ~2017 for newer Renault Group vehicles; aftermarket demand remains very strong for repair of existing fleet.</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: 90&#8211;150 minutes including ATF service. Requires transmission oil pan removal for access to the valve body and EPC solenoids. <strong>Replace BOTH AL4/DP0 EPC solenoids together</strong> &mdash; both fail at similar intervals.</p> <ol class="qf-steps"> <li><div class="qf-step-num">1</div><div class="qf-step-text"><strong>Vehicle safely raised and supported</strong> on rated jack stands. Engine fully cold (ATF temperature affects solenoid resistance readings). Position drain container under transmission oil pan.</div></li> <li><div class="qf-step-num">2</div><div class="qf-step-text"><strong>Drain ATF</strong> &mdash; remove drain plug if equipped, or partially remove oil pan bolts incrementally to drain ATF slowly. AL4/DP0 holds approximately 5-6 litres of ATF depending on year / market.</div></li> <li><div class="qf-step-num">3</div><div class="qf-step-text"><strong>Remove transmission oil pan</strong> &mdash; loosen remaining oil pan bolts in criss-cross pattern. Lower pan carefully; magnet inside collects ferrous wear debris &mdash; inspect quantity (small amount normal; large quantity = clutch wear).</div></li> <li><div class="qf-step-num">4</div><div class="qf-step-text"><strong>Locate EPC solenoid(s)</strong> on AL4/DP0 valve body &mdash; identifiable by 2-pin connector + steel cylindrical body. <strong>Photograph valve body layout</strong> and all connector positions before disturbing anything &mdash; AL4/DP0 valve body has multiple solenoids; mis-identification of EPC vs shift solenoid produces incorrect repair.</div></li> <li><div class="qf-step-num">5</div><div class="qf-step-text"><strong>Disconnect EPC solenoid connector</strong> &mdash; press release tab + pull connector body straight off. Inspect connector pins for corrosion, ATF contamination, or bent pins.</div></li> <li><div class="qf-step-num">6</div><div class="qf-step-text"><strong>Remove EPC solenoid from valve body</strong> &mdash; typically retained by a small bracket / clip or by direct thread engagement (depends on valve body revision). Use thin-wall socket if threaded; carefully release retaining clip if clip-mounted.</div></li> <li><div class="qf-step-num">7</div><div class="qf-step-text"><strong>Compare new EPC solenoid to old</strong> &mdash; verify dimensions, connector pinout, plunger length, and O-ring profile match exactly. Confirm OEM 7701208174 or verified cross-reference (7700870238 / 7701049088 / 257416 / 9653760480 / 62938420).</div></li> <li><div class="qf-step-num">8</div><div class="qf-step-text"><strong>Lubricate new O-ring with ATF</strong> before installation &mdash; prevents O-ring damage during installation and ensures correct sealing. Apply thin film of fresh ATF to solenoid body and O-ring.</div></li> <li><div class="qf-step-num">9</div><div class="qf-step-text"><strong>Install new EPC solenoid with positive seating</strong> &mdash; for threaded solenoids, hand-start thread to avoid cross-threading, torque to OEM specification (typically 4-8 Nm); for clip-mounted, press fully home and confirm retaining clip engagement.</div></li> <li><div class="qf-step-num">10</div><div class="qf-step-text"><strong>Reconnect EPC solenoid connector</strong> with positive click engagement. Visually verify connector seal lip seats around mating connector housing.</div></li> <li><div class="qf-step-num">11</div><div class="qf-step-text"><strong>Replace ATF filter</strong> (if accessible with oil pan off &mdash; AL4/DP0 has internal filter / strainer typically replaced together with solenoid service). Replace oil pan gasket. Reinstall oil pan, torque bolts in criss-cross pattern to OEM specification (typically 8-12 Nm).</div></li> <li><div class="qf-step-num">12</div><div class="qf-step-text"><strong>Refill ATF with correct specification</strong> &mdash; AL4/DP0 requires <strong>Renault Matic D2</strong> / <strong>Esso LT 71141</strong> / equivalent ATF specification. Use the correct ATF level checking procedure (typically requires specific ATF temperature and engine running for level verification). Clear stored DTCs with Renault Clip / PSA Diagbox; reset TCM adaptive values. Test drive in all gears verifying smooth shifts.</div></li> </ol> <div class="qf-tool-row"><strong>Tools required:</strong> Vehicle lift or jack + axle stands; socket set (8mm / 10mm / 13mm); thin-wall transmission solenoid socket (if threaded type); torque wrench (3-15 Nm range for solenoid; 8-12 Nm for oil pan); ATF drain pan (6+ L capacity); fresh ATF (Renault Matic D2 / Esso LT 71141 type, 5-6 litres); new transmission oil pan gasket; new AL4/DP0 internal filter (if servicing simultaneously); lint-free cloths; safety glasses + nitrile gloves; Renault Clip / PSA Diagbox or generic OBD-II with Renault/PSA-specific module access for DTC reading / clearing and TCM adaptive reset.</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>Why does the AL4 transmission have two EPC solenoids?</div> <div class="qf-faq-a">The Renault-PSA AL4 / DP0 transmission uses <strong>two EPC solenoids</strong> &mdash; both of identical design and part number (7701208174 / 257416). One controls primary line pressure modulation; the other provides redundancy and additional pressure regulation for specific shift events. <strong>Standard repair practice</strong>: replace BOTH simultaneously, as both have experienced identical thermal cycling and ATF wear from same service life. Replacing only one EPC solenoid leaves the other at the same wear stage and likely to fail within a short interval, requiring a second transmission service operation. Order EPC solenoids in pairs for wholesale efficiency.</div> </div> <div class="qf-faq-item"> <div class="qf-faq-q"><span class="qf-faq-q-icon">Q</span>Is the AL4 / DP0 transmission identification difference between Citroen/Peugeot and Renault relevant?</div> <div class="qf-faq-a"><strong>No &mdash; AL4 and DP0 are exactly the same transmission</strong> with different brand-specific designations. AL4 = Citroen / Peugeot (PSA brand designation), DP0 = Renault designation; both are the same Renault-PSA joint-venture 4-speed automatic produced 1997-2017. All internal components including EPC solenoids are identical between AL4 and DP0 designations. The 7701208174 fits both AL4 and DP0 transmission applications without any modification. Verify transmission identification by inspecting the stamp / sticker on the transmission bell housing.</div> </div> <div class="qf-faq-item"> <div class="qf-faq-q"><span class="qf-faq-q-icon">Q</span>What ATF specification is required after EPC solenoid replacement?</div> <div class="qf-faq-a">AL4 / DP0 requires <strong>specific ATF type</strong>: <strong>Renault Matic D2</strong> (Renault designation) or <strong>Esso LT 71141</strong> (PSA designation) or equivalent meeting both specifications. Some aftermarket multi-purpose ATFs are NOT compatible. Critical: using incorrect ATF causes shift quality issues and accelerated solenoid varnish formation on the new replacement solenoids. ATF level check procedure is also specific: typically requires engine running, transmission in Park, ATF temperature 60-80&deg;C, and checking from the dipstick (if equipped) or fill plug procedure (if sealed-for-life unit). Consult Renault Clip / PSA Diagbox for exact procedure for specific vehicle.</div> </div> <div class="qf-faq-item"> <div class="qf-faq-q"><span class="qf-faq-q-icon">Q</span>How can a failing EPC solenoid be distinguished from clutch pack wear?</div> <div class="qf-faq-a">Both conditions can produce similar symptoms (slipping shifts, RPM flare) but require different repair strategies. <strong>EPC solenoid fault</strong> typically presents with stored DTCs in the P0743-P0783 / DF112-DF114 range, abnormal coil resistance, or commanded vs actual pressure discrepancy on live data. <strong>Clutch pack wear</strong> typically presents with no stored DTCs, normal solenoid electrical readings, and progressive symptom escalation over time. Inspect ATF condition &mdash; significant black/brown clutch friction material in ATF or oil pan magnet indicates clutch wear. If diagnostic confirms EPC fault, replace solenoids first; if symptoms persist, transmission rebuild may be required.</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 wholesale orders?</div> <div class="qf-faq-a">Yes. ok.parts sources directly from manufacturing facility. White-label packaging with vehicle label (AL4 / DP0 EPC solenoid for Renault / Peugeot / Citroen / Fiat / Lancia) available for wholesale. <strong>Massive cross-platform compatibility</strong> expands market. SKU consolidation with filters, gaskets, ATF, and shift solenoids 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>Second EPC Solenoid (matched pair)</td> <td>Renault 7701208174 (same part &mdash; AL4/DP0 has TWO EPC solenoids)</td> <td><strong>Mandatory pair replacement.</strong> AL4/DP0 transmission has two identical EPC solenoids; both fail at similar service intervals. Replacing only one leaves the other at the same wear stage and likely to fail soon, requiring repeat transmission service.</td> </tr> <tr> <td>Transmission Oil Filter / Strainer</td> <td>AL4/DP0 internal filter, application-specific (Renault / PSA reference)</td> <td>Accessible only with oil pan removed; should be replaced as part of any AL4/DP0 service operation involving valve body access. Clogged filter increases line pressure demand on the EPC solenoid and accelerates solenoid wear.</td> </tr> <tr> <td>Transmission Pan Gasket</td> <td>AL4/DP0 oil pan gasket (Renault / PSA reference)</td> <td><strong>Single-use sealing component</strong>. Reusing old gasket = immediate ATF leak. Always replace as part of solenoid service.</td> </tr> <tr> <td>ATF (Renault Matic D2 / Esso LT 71141)</td> <td>5-6 litres for complete refill</td> <td><strong>Mandatory.</strong> Old ATF with varnish and clutch material is the primary cause of EPC solenoid wear. Refilling with degraded ATF immediately re-contaminates new solenoid. Use ONLY correct specification ATF.</td> </tr> <tr> <td>Shift Solenoids (if varnish-affected)</td> <td>AL4/DP0 shift solenoids (different references, multiple per transmission)</td> <td>If diagnostic confirms shift solenoid faults in addition to EPC fault (DTCs P0750 / P0755 / P0760 / P0765 ranges), all affected solenoids require simultaneous replacement during the same valve body access operation.</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>