{"product_id":"✅-volvo-vvt-hub-camshaft-timing-gear-seal-o-rings-9497786-volvo-s60-s80-v70-xc90","title":"Volvo VVT Hub Camshaft Timing Gear Seal O-Rings 9497786 Volvo S60 S80 V70 XC90","description":"\u003cp class=\"p1\"\u003e\u003cb\u003eWhat is this?\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis is a new O-ring seal (Volvo part #9497786) for the Variable Valve Timing (VVT) hub in your Volvo’s twin-cam engine. It fixes leaks between the VVT hub and the camshaft neck, which can cause oil leaks and engine timing issues.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhy do you need it?\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eOver time, the original O-ring dries out or cracks, leading to:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eOil leaks around the VVT hub.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eLoss of oil pressure in the hub, which triggers engine timing error codes (e.g., camshaft position errors).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eReplacing the O-ring restores the seal, often clearing these codes and improving engine performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhich Volvos use this?\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis O-ring fits both intake and exhaust VVT hubs in many Volvo models from 1999–2009, including:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eS60\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eS80\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eV70\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eXC90\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eIt works with various VVT hub types, including:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eEarly spring-loaded hubs\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eHubs with yellow, blue, black, or gray housing\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003ePart #9497786 hubs and others\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eImportant Notes\u003c\/b\u003e:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eTwo hubs per engine\u003c\/b\u003e: Each Volvo twin-cam engine has two VVT hubs (intake and exhaust), and both use the same O-ring. You may want to order two seals to replace both at once.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eCheck compatibility\u003c\/b\u003e: Review the compatibility chart or confirm with your vehicle’s model, year, and hub type before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eHow does it help?\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eBy replacing the worn O-ring, you can:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eStop oil leaks at the VVT hub.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRestore proper oil pressure to the hub.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eClear engine timing codes caused by a faulty seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eHow to Replace the VVT Hub Camshaft Timing Gear Seal O-Rings (Part #9497786) on Volvo S60, S80, V70, XC90\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe Variable Valve Timing (VVT) hub camshaft timing gear seal O-rings (Volvo part #9497786) are critical components in the twin-cam engines of Volvo models like the S60, S80, V70, and XC90 (typically model years 1999–2009). These O-rings maintain oil pressure within the VVT hub, ensuring proper camshaft timing adjustments. Over time, the original seals can dry out, crack, or degrade, leading to oil leaks and pressure loss, which can trigger engine timing codes and performance issues. This guide provides a step-by-step process for replacing these O-rings and highlights common issues associated with them.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eTools and Materials Needed\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eReplacement O-rings\u003c\/b\u003e: Volvo part #9497786\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eTools\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eSocket set (including 10mm, 12mm, and Torx T55 for VVT hub)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eTorque wrench\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eCamshaft locking tool (Volvo-specific, e.g., 999 5452)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eCrankshaft pulley holder tool (e.g., 999 5433)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eFlathead and Phillips screwdrivers\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003ePick tool or small hook for O-ring removal\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eClean rags and degreaser\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eEngine oil (for lubrication)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eOptional\u003c\/b\u003e: Gasket sealant (if reusing timing cover), shop manual for torque specs\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eSafety gear\u003c\/b\u003e: Gloves, safety glasses\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eStep-by-Step Guide to Replacing VVT Hub O-Ring Seals\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003ePreparation\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003col class=\"ol1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eSafety First\u003c\/b\u003e: Disconnect the negative battery terminal to prevent electrical issues. Ensure the engine is cool to avoid burns.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eAccess the Timing Belt Area\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRemove the air intake ducting and any covers obstructing access to the timing belt area.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRaise the front of the vehicle and secure it on jack stands (if needed for better access).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRemove the right front wheel and inner fender liner to access the crankshaft pulley.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eSet Engine to Top Dead Center (TDC)\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRotate the crankshaft (using a socket on the crankshaft pulley bolt) until the timing marks on the crankshaft pulley and camshaft pulleys align with the marks on the engine block and timing cover.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eUse a camshaft locking tool to secure the camshafts in place, ensuring the timing remains correct.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ol\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eRemoving the VVT Hub\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e4.\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eRemove the Timing Belt\u003c\/b\u003e:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eLoosen the timing belt tensioner using a socket or wrench, then carefully remove the belt from the camshaft pulleys. Secure the belt to prevent it from slipping off other pulleys.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eNote: If the timing belt is worn, consider replacing it during this repair.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003col class=\"ol1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eAccess the VVT Hub\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRemove the upper timing cover (if not already done) by undoing the bolts (typically 10mm or 12mm).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eLoosen the three outer bolts on the VVT hub (these secure the timing gear pulley to the VVT unit). Do not remove them completely yet.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRemove the center bolt (Torx T55) securing the VVT hub to the camshaft. A crankshaft pulley holder tool may be needed to prevent the camshaft from rotating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eRemove the VVT Hub\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eCarefully pull the VVT hub off the camshaft. The hub may be snug, so gently wiggle it while pulling to avoid damaging the camshaft or hub.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eInspect the hub and camshaft neck for wear, corrosion, or scoring, as these can affect sealing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ol\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eReplacing the O-Rings\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e7.\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eRemove Old O-Rings\u003c\/b\u003e:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eLocate the O-rings on the VVT hub (typically two: one inner and one outer). Use a pick tool or small hook to carefully pry them out of their grooves. Be cautious not to scratch the hub’s sealing surfaces.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eClean the O-ring grooves and hub surfaces with degreaser and a clean rag to remove oil, debris, or old sealant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003col class=\"ol1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eInstall New O-Rings\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eLightly lubricate the new O-rings (part #9497786) with clean engine oil to ease installation and prevent tearing.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eGently press the O-rings into their respective grooves, ensuring they are fully seated and not twisted. Double-check for proper fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ol\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eReassembling the VVT Hub\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e9.\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eReinstall the VVT Hub\u003c\/b\u003e:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eAlign the VVT hub with the camshaft, ensuring the keyway (if present) matches. Slide the hub onto the camshaft.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eInstall the center bolt (Torx T55) and lightly tighten it (do not torque yet).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRotate the VVT hub clockwise until the outer pulley bolts reach their limit position in the oval slots. Then, turn the hub an additional 1.5 teeth past the timing mark on the upper timing cover (per Volvo’s VADIS instructions).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eTighten the center bolt to the specified torque (typically 120 Nm; consult a shop manual). Ensure the hub does not rotate during tightening.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eTighten the three outer pulley bolts to secure the timing gear to the VVT unit (torque to spec, usually 10–12 Nm).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003col class=\"ol1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eReinstall the Timing Belt\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eReinstall the timing belt, ensuring all timing marks align. Adjust the tensioner to the correct tension (indicator between the “goalposts” on the tensioner).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRotate the engine by hand (using the crankshaft pulley) for 3–4 revolutions to verify that the timing marks realign and there is no interference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eReassemble Remaining Components\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eReinstall the timing cover, tightening bolts to spec.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eReplace the inner fender liner, wheel, and any other removed components.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eReconnect the battery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ol\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eFinal Steps\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e12.\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eStart and Test the Engine\u003c\/b\u003e:\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"Apple-converted-space\"\u003e   \u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e- Start the engine and let it idle. Check for abnormal noises, leaks, or warning lights.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"Apple-converted-space\"\u003e   \u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e- Use an OBD-II scanner to clear any existing timing-related codes (e.g., camshaft position sensor errors).\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"Apple-converted-space\"\u003e   \u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e- Test-drive the vehicle to confirm smooth operation and proper performance.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e13.\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eInspect for Leaks\u003c\/b\u003e:\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"Apple-converted-space\"\u003e   \u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e- After driving, check the timing belt area for oil leaks, which could indicate improper O-ring seating or hub installation.\u003c\/p\u003e","brand":"The Frugal Fixer","offers":[{"title":"Default Title","offer_id":53189478056301,"sku":null,"price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0992\/3362\/8525\/files\/Screenshot2026-04-08at7.37.15PM.png?v=1775702326","url":"https:\/\/thefrugalfixer.com\/products\/%e2%9c%85-volvo-vvt-hub-camshaft-timing-gear-seal-o-rings-9497786-volvo-s60-s80-v70-xc90","provider":"The Frugal Fixer","version":"1.0","type":"link"}