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Subaru Expert
253 Answers
- Posted on Aug 09, 2009
Re: What are the torque settings for the cylinder head...
This procedure is for the SOHC only.
E: INSTALLATION
1. CYLINDER HEAD
- Install cylinder head and gaskets on cylinder block. CAUTION: Use new cylinder head gaskets.
- Tighten cylinder head bolts.
- Apply a coat of engine oil to washers and bolt threads.
- Tighten all bolts to 29 Nm (3.0 kg-m, 22 ft. lbs.) in alphabetical sequence. Then tighten all bolts to 69 Nm (7.0 kg-m, 51 ft. lbs.) in alphabetical sequence.
- Back off all bolts by 180° first; back them off by 180° again.
- Tighten bolts (a) and (b) to 34 Nm (3.5 kg-m, 25 ft. lbs.) .
- Tighten bolts (c), (d), (e) and (f) to 15 Nm (1.5 kg-m, 11 ft. lbs.) .
- Tighten all bolts by 80 to 90° in alphabetical sequence. CAUTION: Do not tighten bolts more than 90°.
- Further tighten all bolts by 80 to 90° in alphabetical sequence shown in figure provided. CAUTION: Ensure that the total "re-tightening angle" [in the former two steps], do not exceed 180°.
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