How do you change a valve cover gasket on a Isuzu Rodeo?
How do mechanics replace a valve cover gasket?
- Remove engine cover. Some engines have plastic covers over the entire top.
- Remove components.
- Remove valve cover.
- Install new gasket.
- Check for leaks.
Do you have to torque valve covers?
A Torque wrench calibrated in pounds inches [Lbs “] – not the usual pounds feet [LBS ‘] will likely be required. Recommended Torque specs of plastic valve cover bolts vary between models and seem to range between 70 to 110 inch lbs.
How tight do you tighten valve cover bolts?
Tighten bolts/studs evenly working back and forth, assuring even pressure distribution on cover. Tighten until bolts/studs bottom out on head. Fully tighten, 8Nm (6 ft-lb) (10mm socket 3/8” / 3/8” torque wrench & extension).
How tight should a valve cover gasket 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.
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 causes valve cover gasket leak?
Because the valve cover gasket is made of rubbers, under excess heat from the engine, and over time, the gasket tends to shrink and becomes brittle, which is the most common cause of oil leak around the valve cover.