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Do I need to replace head bolts - 2001 Chevrolet Cavalier

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It is recommended that you replace them if you're removing the head anyway, but you can reuse them if there is no damage to the threads, signs of stretching (look closely at the threading), or warping/bent - might be ~$15-20 for a new set -- don't replace them for the sake of replacing them though, only if you had to remove them while other service to the head and/or block is being done.

Posted on Feb 10, 2010

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14179124-0r3idicjw2hp5z0o4sqjrbpc-4-1.gif
NOTE
If possible, replacement of the head bolts is suggested.
  1. If replacement of the head bolts is not possible, perform the following bolt measurement:
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    2. Measure the diameter of the head bolt 1.89 in. (48mm) from the bottom of the bolt.
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    2. Step 2: Completely loosen all bolts.
    3. Step 3: 25-33 ft. lbs. (34-44 Nm).
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    5. Step 5: plus 90-95 degrees clockwise.

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Do the head bolts need to be replaced if head is removed


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Head bolt torque specs needed for 96 tbird 3.8


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Loosen retaining bolts one at a time two to three revolutions and retighten as follows:

Long bolts:
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  • Go to next bolt in sequence.
Short Bolts:
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  • Rotate an additional 175-185 degrees.
  • Go to next bolt in sequence.
Here is a pic of the sequence
http://i253.photobucket.com/albums/hh43/chuck943/Headboltsequence38L.gif

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