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How can i remove and install a blown head gasket the right way, from a nissan sentra 1.8 (QG18DE)? please help.

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You should get a service (shop) manual which describes this procedure. (You may be able to borrow one from your local public library, but I think they are worth buying).
If this is an overhead cam (cam-in-head) engine, you will need to turn the engine until the timing marks on the cam and crank line up, so that you can put it back together correctly.
You will also need the head bolt tightening (torque) sequence, the bolts have to be tightened in a certain order to the correct torque value.
You might want to replace the water pump at the same time, as you will be taking off everything (and more) that you would have to take off to replace it, and unless you have done that recently, it is about due anyway.
This is MAJOR engine work, unless you have done a fair bit of repairs before, you might not want to attempt this yourself.

Posted on Sep 05, 2010


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Hope helps. Just keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment. Have a nice weekend and thanks for using FixYa.


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My best advise would be to get a Chilton Manual at the autoparts store. It cost about $20. You'll get all the info you need plus pictures and diagrams. The Chilton book will be the best research material for the type of job you are going to do.

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