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Please Help Fast!! Do I need gasket sealer for head gaskets?
Posted 05 October 2003 - 03:50 PM
Posted 05 October 2003 - 04:40 PM
I don't use gasket sealer on any gaskets. Some types of sealer are very difficult to remove, and scraping will damage the aluminum surfaces of the block and the head, leading to expensive and difficult machining later..
My vote is "no".
Clean the threaded holes in the block with a thread chaser. Thoroughly clean the head bolts too. Oil the bolt threads before installing. (Very important, to avoid stripping the threads in the block!!!)
You can make a thread chaser from an old head bolt or some other type of bolt with the same thread. Using a hacksaw, cut two slots cross-wise about half the length of the thread.
Turn the thread chaser into the hole you want to clean until it starts to bind, then back it out all the way and clean the slots. Repeat until you can thread the bolt in all the way by hand. Be patient, don't hurry this job.
Posted 05 October 2003 - 06:37 PM
Also, I torque the bolts to 51 ft/lbs and skip the retorque that the manual suggests.
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