![]() ![]() Then you can release the pressure from the valve spring and the valve will slide out of the head. Generally you simply compress the valve springs and then slip off the retaining clips from the end of the valve stem. Refer to the instructions that came with your particular valve spring compressor for details how to do this. Use your valve spring compressor to remove the valves from the cylinder head. Cover your engine at this time to keep dirt and debris from falling into your engine. You can see in the photo below that the head has been removed. When you have everything out of the way and all of the head bolts removed, you can lift the head off of the engine block. Next, remove all of the head bolts, that hold the head to the engine block. Now you can lift off the rocker arms from the cylinder head. Remove the bolts and remember where each one goes to simplify re-assembly. There are a few bolts holding this bar down. There is a usually a large bar running across the head from one end to the other, holding the valve rocker arms in place. With the valve cover off, you should see the valves on top of your engine head. Next, you will need to remove your valve covers in order to get to the head bolts and valves. It is highly recommended to use brand new bolts when putting everything back together in order to prevent breakage. Be very careful when removing exhaust bolts as they often break, expecially if they are very old. The exhaust will simply hang in place after you remove the bolts. You will need to remove your vehicle intake manifold and exhaust manifold. There may also be a few vacuum hoses or wires you need to move out of the way in order to remove the valve cover and cyclinder head. Remove all of your spark plugs and mark each plug wire with a piece of masking tape and a permanent marker so you remember where each one goes when you put them back in later. Refer to your vehicle service manual for help if needed here. If your vehicle is fuel injected, you will need to remove the injector rails. Remove your air filter and carburetor (if your car has one). To avoid a mess, do not fully remove the hose until the fluid starts to run slower. Carefully and slowly pry the hose off the radiator until fluid starts to run out. Simply use a long handle screwdriver and loosen the hose clamp holding it in place. If you do not have a drain valve on your radiator, you will need to remove the lower radiator hose from the bottom of the radiator. Most radiators have a drain valve on the bottom somewhere and you can drain the antifreeze into a large bucket to save for later. The procedure is the same for one or two cylinder heads.įirst you will need to drain your radiator. The vehicle shown in this example has one, single head. ![]() But the general layout of most engines is the same. Old engine head showing pitted valve seatsīecause every vehicle is different, it will be out of the scope of this article to show how to remove the heads for every single vehicle. You will need new valve stem seals as well. You will also need a new vehicle head gasket set including the head gasket and valve cover gasket. But the instructions shown here are valid for any vehicle.īesides the tools for removing the heads on your vehicle, the only things you will need are a valve spring compressor, a variable speed power drill and either valve grinding compound or turtle wax grinding compound and polishing compound. This was done first hand on a 1961 Ford Falcon with a straight 6 engine. This article will show you how to grind your valves yourself on a budget. You will get small micro-welds between your valves and valve seats with each opening and closing of the valves. Especially if you do not run lead substitute in your gas on antique vehicles, the valves will become pitted and burnt. Your vehicle will start to loose power and burn more fuel. With time, especially on older vehicles without hardened valve seats, your valves and seats will slowly become pitted and worn. How To Grind Engine Valves Grind The Valves On Your Engine Yourself
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