Renew all bolts for cyl.head mains and big ends
cyl head stage1 35nm stage2 60nm stage3 +90degrees
mains stage1 65nm stage2 +90degrees
big end stage1 30nm stage2 +90degrees
SOURCE: cylinder head torque settings for a toyota 1493cc
If you have a vehicle application for the motor you can get a Haynes or Chilton manual from your local auto parts store. They usual run around $30.
SOURCE: whats the torque setting for big end bearing bolt
hi big end bearings are two stage, 25nm leave ten mins, then 49nm cylinder head bolts three stages 20nm leave ten mins, 40nm leave ten mins then 60nm check after 5,000miles hope this helps
SOURCE: main bearings and big end bearings tension specs
This site has all the torque specs you should need make sure this is the correct engine.
http://www.davidfarmerstuff.com/C6Z06-Torque.pdf
SOURCE: Saab 95 Aero 2.3 turbo. I need torque settings
CYLINDER HEAD BOATS TORQUE FIRST PASS 29.5 FT LBS SECOND PASS 44 FT LBS.THEN TIGHTEN ADDITIONAL 90 DEGREES FOR MAIN BEARINGS 15 FT LBS TIGHTEN EACH BOAT ADDITIONAL 70 DEGREES ROD BEARINGS 15 FT LB TIGHTEN ADDITIONAL 70 DEGREES. CRANKSHAFT DAMPER BOLTS 130 FT LBS.
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