How tight should valve cover bolts be?

How tight should valve cover bolts be?

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 bolts?

Normally when a bolt is over tightened (before snapping off) the diameter will shrink a little and the thread pitch will be modified. This reduces the strength of the bolt.

Do valve covers need to be torqued down?

Just snug the bolts down tight, the silicon sealant works just fine. I personally have never used a torque wrench on a valve cover. No problems.

What happens if valve cover is loose?

Although the valve cover gasket is well protected from the top and bottom, it is very delicate and prone to damage from the sides. When this occurs, the gasket can lose its integrity and will leak, potentially causing cosmetic issues with leaking oil or reduced engine performance.

Do you use Loctite on valve cover bolts?

The proper bolt for valve cover has radial ridges or splines running from center to outside, no washer, no Loctite.

Will tightening valve cover bolts Stop leak?

Do not tighten valve-cover gasket fasteners Oil leaks because the valve cover gasket is broken or too hard to seal. Tightening the valve cover bolts will only damage the gasket and will not make it seal. Stop leak products are not effective and often cause additional damage.

What happens if you over tighten a gasket?

The over-tightened bolts then exert a force in excess of the recommended load for the gasket, causing the gasket to be crushed on the flange face. The net result – full gasket failure and increased leakage.

Can you change the valve cover gaskets?

Replacing a valve cover gasket is fairly basic but the procedure varies by engine. The toughest part is usually getting to the valve cover itself. Step 1: The first step may be the last step. Before tearing everything apart, first try gently cinching down the valve cover bolts or use a torque wrench.

Can tightening valve cover Stop leak?

Before tearing everything apart, first try gently cinching down the valve cover bolts or use a torque wrench. Over-tightening bolts will not stop bad gaskets from leaking. Aluminum valve covers can crack.

How do you stop a valve cover from leaking?

How to fix a valve cover gasket leak. If you find evidence of a leak, the best solution is to use BlueDevil Oil Stop Leak. Adding 8oz. of BlueDevil oil stop leak to your engine oil is guaranteed to permanently seal any oil leaks in your vehicle’s engine.