To properly tighten the valve cover gasket on a Mercedes-Benz E320, follow a specific sequence to ensure even pressure across the gasket. Start by hand-tightening the bolts in a crisscross pattern, then use a torque wrench to tighten them to the manufacturer’s specified torque, typically around 10-12 Nm (Newton-meters). It’s important to do this in several steps, gradually increasing the torque to avoid warping the cover. Always consult your vehicle's service manual for the exact specifications and sequence.
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.
Middle out
35 foot pounds
The proper bolt tightening sequence for an 08 Dyna outer primary cover typically involves starting from the center and working your way outward in a crisscross pattern. This helps ensure even pressure across the cover. Begin by tightening the bolts to the specified torque in several steps, gradually increasing to the final torque specification recommended in the service manual. Always refer to the manufacturer's guidelines for the exact torque values and sequence.
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).
89inch pounds is the torque rating for the valve cover bolts
To tighten the valve cover bolts on a Mazda MX-6, follow a specific sequence to ensure even pressure and prevent leaks. Start at the center bolt and work your way outwards in a crisscross pattern, tightening the bolts gradually to the specified torque. Typically, the recommended torque is around 7.2 to 9.6 ft-lbs (10 to 13 Nm), but always refer to the vehicle's service manual for the exact specifications and sequence for your specific model year.
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.
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.