After making sure that you used the tube or tape and coated the entire seal, valve stem, and valve guide in fresh engine oil, slowly push the new seal down over the tube (or tape) and the stem and then over the valve guide. AGA tools makes a valve stem tool that I purchased on Ebay used for 900 and replaced the valve stem seals with my mechanics help for 1800 US including the seals spark plugs valve cover seals upper and lower front seals and belts and water pump. I did valve stem seals on mine a couple of years ago in my driveway with the motor in the car. It's doable but it is tedious and frustrating (mostly the. The 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. Note: Should the valve seats be in need of replacement, the mechanic should entrust the work to an automotive machine shop that will have the necessary machines and tooling. If the head does require new valve seats, the mechanic is advised to have the valve guides replaced by. Valve seal replacement (2001 Toyota RAV4) to replace valve seal kit without taking off cylinderhead assembly to save me from to much harness removal and cost of headgasket, motor oil and manpower? If so, please kindly show me how and what tools or special tools needed to have this done. 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. Valve stem seals provide a controlled leak of oil to allow the valve stem to be lubricated as it slides in the valve guide. The amount of oil that passes by the valve stem seal must be precisely controlled, as too little oil causes stem and guide wear. m103 valve stem seals replacement Thanks gschira, today i decided to go for it and check all the valves. I installed the seals as they are supposed to and she started and idled for a while. tomorrow i will go a test drive to see if she no longer blows smoke. Getting a new head gasket and valve guide seals. He suggested over the phone that I should use 10w40 from now on due to the mileage on the motor, but I really want to go back to using amsoil extended drains 5w30. Valve Stem Seal Replacement on 9398 Toyota Supra Turbo. valve guide, can partially or completely cut through the rubber section at the top of the valve stem seal; valve cover seals, and possibly the pcv, pcv hoses and valve cover bolt seal washers. I think the labor manual calls for 45 hours depending on what year the car is. , add the seals 1520 and new valve cover gaskets 1530 and. Since the engine is otherwise solid, my first instinct is to replace the valve seals with the engine in place using air pressure applied through the spark plug port. However, here is my concern I just replaced the plugs about 1, 000 miles ago (I didn't realize the smoke issue before doing the plugs). Answer When asked from a mechanic about replacing the valve seals on a 5. 0 V8 mustang engine, i was quoted. Valve seals are an easy enough on car repair if one has an air compressor in their garage capable of maintaining at least 120 PSI, any less pressure than that, then there is a good chance the valve will drop down into the cylinder bore. Valve cover gasket replacement is included in the valve stem seal procedure, and other leaking gaskets can be addressed at this time for a fraction of the cost since the engine is already disassembled including front timing covers, vacuum pump, and VANOS solenoids. How much for a shop to replace valve seals? Cost to replace valve guide seals ford 5. How much to replace Valve stem seals at a shop like National Tire and Battery or dealership? 6 Engine Lights FlashingBlinking. Engine shakes when starting up and idle as well. BMW V8 Valve Stem Seal Replacement Worn valve stem seals are a very common issue on BMW's 4. 8 liter V8's found in many X5, 5Series, and 7Series BMW's. When valve stem seals wear out, engine oil will leak from the cylinder head, past the valves, and into the intake and exhaust ports, culminating in increased oil consumption as the oil is either burned in the combustion chamber. The N62 Masters Collection includes our most popular products: the N62 valve stem seal tool kit, the N62 chain lock, seal pliers, and the valve stem seal installer. This special value kit is offered at a discount, a savings of almost 50 when compared to the cost of buying these tools individually. Inlet Valve Guides, note the recess on top for the Valve Stem Seals. We have found that this area can become damaged when the Guides are being inserted, they will either crack if they are Cast Iron or Swell if they are Bronze Alloy type guides. It is advisable to have small three. Cylinder Head Valve seat replacement. Cylinder Head valve seat installation. LP Gas Seat converstions (603). Valve Seat Replacement Cylinder Head valve guide clearances, concentricity and perpendicularity. There should be no warping, twisting or any type of misalignment anywhere in the head. valve seals on late model engines prevent the guides from receiving with the liner has provided an 0. 80 per guide savings over any other valve guide repair option available. As with any valve guide valve guide in a cast iron head. Cast iron is also a good replacement choice for aluminum heads. In fact, you can use cast iron guides Valve Stem Seal replacement Ford CVH. These valve stem seals can last up to around 100, 000 miles, but if the car is used infrequently then they can wear quicker. Learn how to replace valve seals on your engine in the car without the head removed. This is a bench model for easier demonstration and viewability. Yes, I forgot to remove the valve seal guide. Your valve seals sit on top of you valve guides and seal oil from passing down the stem into the guide. Sure it's going to smoke a bit and perform less than perfect but leading to catastrophic failure, no. Use Viton Seals on int and exh, and any local machine shop should have them in stock I think they are a. If you do not have a seal installer you can use a 12mm 12pt socket to push them done over the guides, use oil and the small plastic valve cover so. Valve Cover Gasket Replacement Cost The average cost for a valve cover gasket replacement is between 89 and 344. Labor costs are estimated between 52. Does your car engine blow white or blue smoke when your first start it up and then stop? That usually means that your engine valve seals aren't working correctly. 08: 43 PM Post# I have began the task of replacing the valve stem seals and I have some questions: 1. I got a set of seals from the parts store. The cost of replacing your valve guide seals will vary according to the make and model of your vehicle. The good news is the cost of the parts for valve guide seals is between 30 to 100 on average. The bad news is that you are looking at about 2 to 4 hours of labor if you take your vehicle to a mechanic. 08: 30 AM Post# Okay guys, I need to replace the valve stem seals on my 1972 El Camino with a 350cu small block engine. The car emits the class puff of smoke upon start up and when decelerating. I doubt, unless you've been very lax in doing oil changes, that your valves would need replacement due to worn valve stems at 160, 000km. They may need facing and the valve seats recutting. If you are replacing the valves, then it could be prudent to have the valve guides checked. They cost a few quid each, rather than the hundreds involved in valve stem seal replacement! Here's a howto guide from the excellent Meeknet website, curated by one of the chaps on this forum, Timm. Comparing Valve Guide Replacement Methods. Valve Guide Knurling: Low Cost. Requires simple tooling (electric drill, speed reducer, knurling arbor, reamer, guide hone and deburring tool). Spiral groove thats created helps retain oil in the guide. Operation is performed on the bench not a seat and guide machine. What does it cost to replace valve guide seals? I have already had the timing belt replaced and U joints and O2 sensor on my 2002 RX300. Is this a job for the dealer or can I take it to an engine rebuilder? How much will not doing this affect my trade value? I have been getting blue smoke every. Chances are you have worn out valve guide oil seals in your engine. I will show you how easy it is to replace them and with a few simple hand tools. Disassemble your engine down to where you will have access to the valve spring. BMW V8 Valve Stem Seal Replacement Worn valve stem seals are a very common issue on BMW's 4. 8 liter V8's found in many X5, 5Series, and 7Series BMW's. When valve stem seals wear out, engine oil will leak from the cylinder head, past the valves, and into the intake and exhaust ports, culminating in increased oil consumption as the oil is either burned in the combustion chamber. Let the car idle for about 10 minutes then give it a good rev. Smoke out the tailpipe tells you it's valve guide seals. Have a good pre purchase inspection done. Look out for oil leaks ranging from the vacuum pump to the alternator bracket gasket as well as the normal valve covers and upper timing covers. Lexus valve seals, Tundra valve seals, SC400 Valves, GS400 Valve seals: Changing out the valve seals without taking off the heads. Article by Ryan Smith (Smitherz) Now that the older Lexus engines are around 15 years old you might see one smoking a little bit when started. This is a good indicator that the valve seals are worn out. Best Answer: Hate to say this but Chevrolet never put valve seals on top of the valve guides in a stock OEM engine. Standard Chevy engines depended upon the umbrella shield that fits around the top of the valve springs held in place by the spring retainers and valve split locks as shields to keep splashing pushrod oil off the valve stems. Hi, I had both my N42 and N46 done by ex Bmw mechanic cost R3000, if its only the seals that are gone, got the car back the same day, let me know if you did not find someone will pm you the details. I called one Toyota service department was told the problem was leaking valve stems the problem will get worse in timecost to repair would be about 2, 300, with most of cost being LABOR. with this and if it is the valve seals, if they might have any advice or tips when I go to change them. I have done jobs like this before but, not on a 4. that the valve guide seal soaks in before it cracks and falls off. the valve tool varies in price but runs around 60 dollars. That all said, late model Nissans use Viton valve seals and valve seal failure in a VQ motor is practically unheard of. I would definitely check the PCV system and do a cylinder leakdown test, first. smj999smj is offline Quote Quick Reply. post# 8 of 13 Old Oct 12th, 2015, 04: 15 AM Thread Starter. With cracked or worn valve stem seals, that high vacuum can suck oil down the valve guide and into the engine. In the old days, you could spot that condition a mile away. In the old days, you could spot that condition a mile away. Replacement Cost of Valve Seals If you have discovered there is damage to your valve seals, then have an auto technician install new oil seals. The cost of this replacement job will be between 900 and 1, 800, depending on the make and model of your vehicle. After a year of observation and 3, 000mile oil change intervals (during which it loses about 1. 5 quarts), the dealer diagnosed the problem as a valve seal leak: He said Id need to replace the engine rings, resurface the valves, and replace the valve seals at a total cost of nearly 2, 300 including tax. The cylinder heads must come off to replace the valve stem seals. Labor time for this repair is 15 hours. Average labor rate is 80 per hour (more at dealership). BMW Valve StemGuide Replacement. BMW V8 Valve Stem Seal Replacement Worn valve stem seals are a very common issue on requiring many more hours in labor and resulting in nearly twice the cost of what we are able to charge, not to mention the lengthier downtime of the vehicle..