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There are valve cover bolts around the perimeter of the valve cover. You want these tight but not as tight as you can get them.
either tighten the valve cover bolts, or replace the gaskets.
standard star works just fine, be careful not to overtighten
Remove each valve cover (four bolts.) Remove the gasket and set a new one in place. Set the valve cover in place and tighten the bolts to spec.
Torque for valve cover bolts is 7 to 10 ft. Lbs . Tighten the bolts in a criss-cross pattern .
The bolts on a 94 Dodge Intrepid valve cover need to be very tight. You should tighten to 12 N*m or 105 inch pounds.
Tighten the valve cover retaining bolts in sequence, torque them to 71-106 inch lbs. (8-12 Nm).
you just pull the three bolts holding the valve cover down. the bolts run right down the middle of the valve covers. pull the valve cover off, replace the old gasket with the new one and tighten the valve covers back on.
Just did mine on my 300 cu in Ford 1982. Remove any parts that might be in the way, breather, gas line over the valve cover etc. Remove the bolts around the outside of the valve cover. Remove valve cover. Remove old gasket. Clean valve cover. Install new gasket and re-install cover. Replace bolts. Finger tight bolts first then tighten. If you do not have a torque wrench, carefully tighten down bolts alternating from one side to the other tightening them all down evenly. Do not overtighten, they will snap off into the head.
remove bolts on top of valve cover, use a putty knife or a paint scrapper to remove old gasket from valve cover and cylinder head be careful not to get anything in the head. use a type of silicone to secusre new gasket to valve cover and use only on the valve cover side. a little bit will do a few spots around it and put cover back on. tighten bolts from center out and do not over tighten. just snug them up.
Remove the valve cover. Tighten bolts next to rocker arms. done
The torque specification for the valve cover bolts on a 1989 Mercury Topaz 2.3L is usually around 35 inch-pounds. It is recommended to tighten the bolts in a crisscross pattern to ensure even distribution of torque and to prevent leaks.