HIHIAV Valve Cover Gasket Realiable &Durable HIHIAV focus on Valve cover gasket from 1987 on and received high assessment after many years market test.We cherich our brand and know only customer's satisfy and trust makes us goes further! HIHIAV will always on our best to supply high quality product for our customer! Leaks from valve covers may be problematic. These not only cause unsightly stains but may lead to serious problems if not repaired. What is a Valve Cover Gasket? Designed to seal the valve cover to the surface of the engine cylinder head, the valve cover gasket prevents motor oil from leaking out of the joint. The valve cover gasket withstands the stresses of the two surfaces expanding, shrinking, warping and rubbing while sealing in engine oil. HIHIAV Gasket HIHIAV supply many kinds of Gasket :Valve Cover Gasket ,Oilpan Gasket,Oil Seal,Engine overhaul Package. What we do is just to get your satisfication ,our quality is the only resaon that you choose us and rechoose us .We cherish your trust and will never let you down! Important: Please Check The Year/Make/Model Carefully Before Placing Your Order To Make Sure The Engine Valve Cover Set Is What You Need, Thank You! Compatiable With: Make Model Year Trim Engine Important vehicle option details Scion xA 2004-2006 4 Cyl 1.5L 1NZFE; 1NZFE; NCP61 Scion xB 2004-2006 4 Cyl 1.5L 1NZFE; 1NZFE; NCP31 Toyota Echo 2000-2005 4 Cyl 1.5L 1NZFE; 1NZFE; NCP12, NCP13 Toyota Prius 2001-2009 4 Cyl 1.5L 1NZFXE; 1NZFXE; NHW11, NHW20 Toyota Prius C 2012-2018 G, R, V 4 Cyl 1.5L1NZFXE; 1NZFXE; 1NZFXE; NHP10 Toyota Yaris 2006-2018 RS, STD 4 Cyl 1.5L 1NZFE; 1NZFE; NCP131, NCP91, NCP93 Symptoms of a Bad Valve Cover Gasket: Dirty valve cover –evidence of leaking oil Engine low on oil Burnt oil smell (leakage onto exhaust manifolds) Rough running engine/misfires Engine oil stains on the ground Install step:: 1. First, remove the valve cover screws from both sides to the middle diagonally, pry the valve cover with a slotted knife and take out the valve cover gasket; 2. Clean the valve cover with cleaning agent, clean the contact surface between the valve cover and cylinder head, install the valve cover gasket, apply sealant, and screw the screws diagonally from the middle to both sides; Pay attention when replace gasket: * Pls use genuine gasket,wipe the two joint surfaces of engine and clean valve cover with a soft brush. *Clean the valve cover with cleaning agent, clean the contact surface between the valve cover and cylinder head, install the valve cover gasket, apply gasket maker, and screw the screws diagonally from the middle to both sides. *Don't scar the valve cover surface when carving debris.Tighten the fixing bolts of valve cover evenly,not too tight,which might hurt your cover.