Cylinder Heads

What is the procedure for removing the cylinder heads on a 4.7 liter dodge engine? Cam positioning You can find the Autozone Repair Guide for some of the models that have this engine by starting here; http://www.autozone.com/shopping/repairGuide.htm then select Year, Make, Model, and Engine. The 1999 - 2005 Jeep Grand Cherokee for example is covered. When you find a pertinent Repair Guide, click the links for "Engine Mechanical" then "Cylinder Head' and others as needed. As far as Cam positioning is concerned, these illustrations would probably be among the most helpful; http://econtent.autozone.com:24991/znetrgs/repair_guide_content/en_us/images//0900c152/80/04/33/2d//medium/0900c1528004332d.gif http://econtent.autozone.com:24991/znetrgs/repair_guide_content/en_us/images//0900c152/80/04/23/75//medium/0900c15280042375.gif

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Prevent Engine Leaks With the Saturn Head Gasket

A Saturn head gasket's main function is to seal all the combustion chambers and also the coolant and oil channels between the head and the block. Because of this, it is positioned between the engine block and cylinder head in an internal combustion engine.

A Multi-Layer Steel or MLS in one type of gasket type that is commonly used by most engines nowadays. This consists of three layers of steel which makes it very durable. Another head gasket type is the solid copper which is a solid sheet of copper that requires o-ringing in order to place a piece of wire around the circumference of the cylinder which adds to its durability. The composite gasket type, on the other hand, is made of asbestos or graphite which cause great health concerns and make it even more susceptible to blownouts.

A Saturn head gasket is blown when it develops s a leak due to the compression in the cylinder. This causes causes compression loss that will eventually lead to reduced power, an increased engine wear and also, it will likely cause the engine to overheat, therefore contributing to overall engine damage. Other engine conditions including preignition, detonation and overheating can contribute to overall gasket damage.

A constant update on the latest procedures of installing Saturn head gaskets is also a must. Installation errors usually occur due to inaccurate and outdated information include wrong surface finish, use of wrong sequence, procedure or torque specifications when tightening the head bolts, reuse of damaged, stretched or dirty bolts and the use of a sealer on a gasket that does not require a sealer.

The total life span of a Saturn head gasket is about 150, 000 miles. It usually needs to be replaced every 150,000 miles. Moreover, it must provide a leak-free seal from the moment it was installed. This is to keep coolant out of the cylinders and ensures that oil, water, gasoline and exhaust gases stay inside the engine so it can function properly.

About the Author

Anthony Fontanelle is a 35-year-old automotive buff who grew up in the Windy City. He does freelance work for an automotive magazine when he is not busy customizing cars in his shop.