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Valve seal ReplacementJun 10, 2010· Leaking valve seals cause your engine to smoke when you first start it up, and then it usually runs the rest of the day with no smoke Usually replacing the valve seals will fix the problem Here.BMW N63 Valve Stem Seals RepairSep 20, 2017· This BMW equipped with the N63 engine had an oil consumption issue where 1qt had to be added every 4 days and was blowing smoke from the tailpipe with a blue tint when accelerating post warmup This is caused by the aged rubber on the valve stem seals that hardens and cracks which will lose its ability to seal the valve guide.Valve Stem Seals & Valve SealsEngine Repair Valve Stem Seals Increasingly stringent emissions regulations make it imperative that oil not enter the combustion chamber These regulations, combined with today’s engines running hotter and valves opening and closing as often as 100,000 times an hour, make it necessary for valve stem seals to be made of the highest quality materials and latest technology to ensure a long.Engine Rebuild vs Valve stem seal replacement cost benefitAug 20, 2017· So my car needs the valve stem seals replaced (I am currently monitoring oil consumption so I know the rate of decline/usage) I have been quoted £1,700 to directly replace the valve stem seals This will cure the problem, otherwise engine seems good.Replace rings/valve seals or keep replacing oilAfter a year of observation and 3,000 mile oil change intervals (during which it loses about 15 quarts), the dealer diagnosed the problem as a valve seal leak He said I’d need to replace the engine rings, resurface the valves, and replace the valve sealsReplacing the gaskets on a V type engine is a job for the pros But the valve cover gasket replacement cost on a four cylinder engine is less than $25 and can be done in about an hour Pick up a new valve cover gasket kit, a tube of room temperature vulcanizing (RTV) sealant and a spray can of brake cleaner.How to Install Valve Seals in a 350 EngineThe valve seals on your 350 engine might harden or break after years of service A bad seal will lead to oil consumption and cause engine smoke at the tailpipe You can service the engine and replace one or more valve seals yourself However, before you begin.Replacing Valve Stem SealsNov 23, 2007· If the head is machined to except seals on the top of the all the valve guides, put seals that fit down onto the guides on the intake AND the exhaust valves if you don’t want smoke at start up There are protectors to keep the seal from being damaged as you slide it over the top of the valve stem See the center of the photo in the link.83 30 2 408 268 N63 Valve Stem Seal Tool KitIntroducing the newest tool kit from AGA The N63 Valve Stem Seal Tool Kit This kit was designed specifically for BMW N63 engines to make removing and installing valve stem seals quick and easy This brand new kit allows the technician to replace the valve stem seals without removing the engine and cylinder heads.Engine Rebuild vs Valve stem seal replacement cost benefitAug 20, 2017· So my car needs the valve stem seals replaced (I am currently monitoring oil consumption so I know the rate of decline/usage) I have been quoted £1,700 to directly replace the valve stem seals This will cure the problem, otherwise engine seems good.Valve Stem Seals Replacement in UK,Feb 21, 2017· They cost a few quid each, rather than the hundreds involved in valve stem seal replacement ! Here's a how to guide from the excellent Meeknet website, curated by one of the chaps on this forum, Timm Timm's E63 and E64 N62 Engine Crankcase Ventilation Valves Replacement.How Bad is a Rear Main Seal Leak?The rear main seal in your vehicle is at the back of the engine and seals the crankshaft as it exits the engine Your vehicle’s flywheel or flexplate is then bolted onto the crankshaft flange sandwiching your rear main seal between your engine and transmission To replace the seal, either the engine or transmission will have to be removed.