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Torque for valve cover bolts is 7 to 10 ft. Lbs . Tighten the bolts in a criss-cross pattern .
The correct torque spec is 85 INCH lbs.
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35 foot pounds
Rover 20T2N 2.0Ltr Diesel engine Cam cover torques are listed as 12 Nm. No tightening sequence is listed .
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Tighten the valve cover retaining bolts in sequence, torque them to 71-106 inch lbs. (8-12 Nm).
You more than likely have a valve cover gasket leaking. You can try tightening the bolts holding the valve cover in place to 20 lb/ft of torque, (do not over-tighten) and see if that stops the leak. If not, you will have to replace the gasket.
89inch pounds is the torque rating for the valve cover bolts
Quite possibly a leaking rocker cover gasket. Could try just tightening top bolts slightly as a temporary fix. Or change gasket. When you put the top back on, make sure bolts are tightened evenly to correct torque, or gasket will leak again.
A Valve cover dons't have a tightening sequence, you probably mean the head. On my 93 Saturn sl1 the valve cover only had 2 screws with a gasket. To look up what the tightening sequence for the head would be you would have to look in a repair manuel. I could give you what mine is but if its wrong you could risk bending your head sense their not the same cars. Repair manuels you can usually pick up at autozone or checkers auto for a 10-20 bucks. Plus they would be very handy on putting the rest of the car back together if you have your head off.AnswerYes a valve cover does have a tightinig sequence as well as a tourque spec, especially on a 16v motor with a aluminum cover. why do people answer questions when they don't know the answer is beyond me.
Spark plugs do not leak oil. What you have is a valve cover gasket leak. This allows oil to run down on the plugs. Try slightly tightening the valve cover bolts. It that does no help, replace the gasket.Spark plugs do not leak oil. What you have is a valve cover gasket leak. This allows oil to run down on the plugs. Try slightly tightening the valve cover bolts. It that does no help, replace the gasket.