Question about Cars & Trucks
Need to know head bolt tensions and order of tightening
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: tightening head
New Headbolts are recommended
Long bolts are torqued to 46'lbs + 90 degrees.
Short bolts are torqued 43'lbs + 90 degrees.
Start in the center, and work to the edges, torquing the bolts in two stages.
Rockers are torqued to 22'lbs.
Posted on Dec 21, 2008
If the tensioner will not keep the belt tight then the tensioner is bad and will need to be replaced. The spring on the inside will loose it's tension over time.
Posted on Jan 25, 2009
Head bolts are torque to yeild so you MUST use new bolts.
Tighten cylinder head retaining bolts in numerical sequence in three steps as follows:
Posted on Mar 19, 2009
SOURCE: head bolt tension setting
these specs straight from service info
25Nm + 70deg+ 70deg+ 30deg
alot of after market gasket sets are the 25Nm and 3 lots of 60deg and the extra 10deg bolts are meant to be replaced (use once only) alot of bolts tend to start stretching when doing last 10 deg use oil on threads and washers under bolts 25 and 3 lots of 60deg is correct and more commonly used.
Posted on May 28, 2009
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