Should valve cover bolts be torqued?
it should be fine. Last time I pulled my valve cover we just tightened the bolts “tightly” and didn’t need any gasket sealant. No problems here. not too tight though, cause you can cause it to crack.
How tight should you tighten valve cover bolts?
Tighten until your hand can’t tighten anymore (which SHOULDN’T be too tight) And that should be just tight enough. Any tighter and you risk busting a bolt. I learned the hard way and have been doing it this way ever since. 75 in-lbs, according to the FSM.
What happens if you over tighten valve cover?
If you overtightened your valve cover bolts,you could distort or even cut the valve cover gaskets and cause an oil leak. Nothing will happen to the valves if you overtighten the bolts.
Do you put anything on valve cover gaskets?
Although valve cover gaskets don’t necessarily need sealers or cements, it’s a common practice to glue the gasket to the valve cover. There are a number of sealant choices, too. For this application, Permatex No. 1, RTVs or Permatex High Tack gasket sealant work well.
What happens if you over tighten valve cover bolts?
Can you over tighten valve covers?
You can’t over tighten the valve cover cap nuts to “squish” the gasket. Well you can, but you’ll break the studs off. The cap nuts will bottom out at the appropriate torque and distance to the head.
How tight do you tighten valve cover bolts?
How big is the valve cover gasket on a Toyota?
Click to expand… 52 in-lbs from Toyota. I bought the parts from Toyota and the spark plug tube seals (11193-15010) were separate, as were the little circular gaskets under the valve cover bolts (90210-06010). Mine came off easy with no prying.
How to tighten valve cover gasket torque settings?
52 inch-lbs, thats straight from the chiltons manual and as stated above tighten them down diagonally. i used black magic engine shine to degrease my cover, it works great EDIT: While I’m thinking about it, these things don’t get stuck do they?
Are there any specs for the valve cover?
Not sure if there are any specs for the valve cover. I always tightened the valve cover by feel. In equal steps, diagonally opposite nuts. At some point it gets a bit more difficult to tighten each nut, which is where I leave them be. The most important part is to have clean mating surfaces.
What’s the best way to install a valve cover?
The most important part is to have clean mating surfaces. And do get rid off any oil floating in the valve cover before reinstalling it. I forgot that one time, and the oil dripped all over the cleaned head surface when I turned the cover over to re-install it.
What are torque specifications for valve cover bolts?
Torque the valve cover bolts in sequence and to the following specifications: Bolt No.1: 0.98 inch (25 mm) tighten to: 78-95 inch lbs. (8.82-10.78 Nm) Bolt No.2: 2.56 inch (65 mm) tighten to: 78-95 inch lbs. (8.82-10.78 Nm) All other bolts (0.79 inch (20 mm) tighten to 61-84 inch lbs.
What is a value cover gasket?
The valve cover gasket is an important part of your car’s fuel system that goes over the top portion of the engine cylinder head. This gasket prevents any oil or fuel from leaking out of the engine as it travels around the camshafts, rockers, and valves. The cover gasket is also in charge of sealing off numerous spark plug ports to keep them protected and prevent spark plug fluid leaks.
What are torque specifications?
Torque specifications are for dry threads only. The fastener threads should be free of oil, dirt, grit, corrosion, etc. The hardware should turn freely without binding when tightened by hand. It is important NOT to lubricate hardware threads or seats. The friction at which torque is measured against should come from the hardware seats.