you are suppose to replace head bolts they stretch and head will not torque right.
When you buy the new gasket, order new bolts.
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.
The cylinder head bolts need to be torqued at * 10MM bolts 22 FT-LBS * 12mm bolts 26 FT-LBS
22 ft lbs
10mm bolts torque to 18 Ft-lbs 12mm bolts torque to 22 Ft-lbs
When installing the bolts tighten the two center bolts temporarily to 15 ft lbs and install the other head bolts loosely, then tighten all bolts to 22 ft lbs and then to 58 ft lbs, loosen all bolts completely and then retighten them to 22 ft lbs and then to a final torque of 54-61 ft lbs When torquing bolts start with the center bolts forward and aft and then to the left side of the center bolts and then to the right side of the center and so on
22 up to 73 ft.lbs. in 6 (SIX) steps.
here you go 22 lb first then 49 lb pounds
Removing the exhaust from a 2002 Cavalier is not too hard as long as no bolts are rusted. Start by unbolting the exhaust at the engine. Remove all exhaust clamps. Unbolt the pipe joints and pull the sections from under the car.
46 ft/lbs for long bolts and 43 ft/lbs for short bolts also rocker arm bolts need to be torqued at 19-22 ft/lbs
cylimder head bolts stage 1 22 /lb-ft stage 2 48 /lb-ft
The cylinder head torque on a 2000 Honda Civic is set at two different rates. For placing the head correctly the bolts need to be tighten to 22 ft torque. Once correctly set the bolts will need 49 ft torque to be properly tighten.
22 ft/lb 1st pass 33 ft/lb 2nd pass 90 degrees 3rd pass always use new head bolts 22 ft/lb 1st pass 33 ft/lb 2nd pass 90 degrees 3rd pass always use new head bolts