Toyota 22r head gasket - 1995 Toyota Pickup

SOURCE: oil in the radiator on a 90 Toyota with a 22R engine

timing cover is warn through I bet the guides are broken and it makes a knocking sound! most common problem. You will need a timing kit and a cover.

SOURCE: 1992 Toyota Previa van,Oil dripping onto exhaust manifold, replace head gasket? need a free manual!

The toyota previa uses a formed silicone gasket for the valve cover and the cover is held in place by metric shoulder bolts ( 10mm). The valve gasket leaks because you can't get enough preload on the bolts to re-seat the old gasket when it gets old and shrinks. The shoulder bolts only allow you to tighten the gasket enough to seat the shoulder on the bolt. If you continue to torque down the suspected bolts, you will snap the bolt off ( don't ask me how I know this ). You can either 1.)replace the old gasket with a new one or 2.) remove the existing bolts around the leak area and put in new metric bolts that do not have a shoulder. You may want to put in a small sleeve into the existing bolt hole but shorter than the thickness of the valve cover to account for the smaller diameter bolt. You can now torque down the bolt and get enough preload to seal the valve cover without removing the old gasket. Make sure you use a torque wrench ( in-lbs) or be very careful not to snap these small valve cover bolts.

SOURCE: Tips for replacing head gasket on 1991 Toyota Tercel

Very difficult. Make sure that the cam shafts are well marked for there positions.

SOURCE: what is the torque specs for the head on a 91

cylinder head bolts 58 ft-lbs

SOURCE: i have a 1987 toyota

The 22R engine is one of the best engines Toyota built.

With the head off, you should have had the head gasket surface machined and the head checked pressure checked for cracks. It seems you did so.

I can only assume, you MAY have put the bolts back in without bowing out the cylinder block bolt holes before installing the bolts. These bolt holes fill with oil and antifreeze when you remove the head.

Doesn't matter how careful you are, the bolt holes always fill with fluid.

If so, the bolt torque would be reached before full clamping of the cylinder head. Worst of all, the block could have been cracked by the hydraulic pressure in the bolt hole as you tightened the bolt.