Head Gaskets and Valve Covers

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When oil and water are not mixing in a vehicle that has overheated, it could indicate a blown head gasket. This can cause oil and coolant to mix inappropriately, leading to overheating and potential engine damage. It is important to address this issue promptly to prevent further damage to the engine.

To replace a valve cover gasket on a 1993 Mercury Topaz, you will need basic hand tools such as sockets, wrenches, and a screwdriver. Additionally, it may be helpful to have a torque wrench, gasket scraper, and a new valve cover gasket. It's also a good idea to have some rags or shop towels on hand to clean up any oil spills during the process.

The torque specification for the valve cover bolts on a 1989 Mercury Topaz 2.3L is usually around 35 inch-pounds. It is recommended to tighten the bolts in a crisscross pattern to ensure even distribution of torque and to prevent leaks.

To make your own gaskets, you can use gasket material and a gasket punch kit. Trace the shape of the gasket onto the material, then use the punch kit to cut out the gasket. Be sure to use a sharp blade and follow the manufacturer's guidelines for cutting the gasket material.

What is the torque specs on a 585 case ln tractor head gasket

111-114 ft lbs

disconnect battery, fuel lines, and harness from upper engine. disconnect the exhaust flange nuts to remove exuast pipe from manifold remove any and all brackets attached to head that will prevent it from coming apart from the engine. remove valve cover and remove rocker arms and push rods. remove head bolts and separate from engine. The head is heavy especially with the intake and exhaust manifold bolted to it. I would recommend bolting a chain to the front and back of head and use a cherry picker to get it out or if u dont a cherry picker have someone help you cause it is pretty heavy.

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I have tried wire brush on a drill press -high speed. This will remove crud. Make sure not to hit stem that enters valve guide.

BUT I would only recommend: Take them to a rebuilding shop for sandblasting. Any decent shop will throw in quick valve inspection and free advice.

Be sure to tag each valve with colored twist ties, tags, etc. Ink might be removed. The shop will have its own I.D. method.

Buy a Haynes service manual and follow the instructions. I did and it wasn't too difficult.

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It will depend on if a lube or dry torque, type of washer used. If lock washer is used then less torque is needed to not damage the lock washer. It should be about 170 ft/lbs max dry with flat washer, if it leaves an imprint in the metal (head or washer) it is too tight. In this case use less torque or down grade. Please note that the washer side is normally the side torqued, regardless of where the washer isi.e. head or threaded side, if concerned then washer both ends.

No. Hot or cold. This can be done by running the engine at the same time to ensure the fluid mixes.

The danger would be introducing cold water into a hot engine which could crack the block.

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Sometimes. Symptoms of blown head gasket are: Loss of coolant with no apparent leak, white smoke from the exhaust, engine overheating, oil level over full, a grey foamy substance on the under side of the oil fill cap, air bubbles escaping from the radiator, engine running, cap off.

The torque on 377 80-89 is 16 ft lb run till it's hot let cool retorque

No - the bore for the cylinders are different

12ft. lbs. From the Haynes Techbook, General Motors Automatic Transmission Overhaul. Page 8D-42

The torque specifications for Kia's V6 engines can vary depending on the specific model and year. Generally, for Kia V6 engines, the engine block bolts are typically torqued to around 75-90 ft-lbs, while the cylinder head bolts may require a torque of approximately 50-70 ft-lbs, often with a specific sequence for tightening. Always refer to the service manual for the particular vehicle model for the most accurate specifications.

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