Cylinder head reassembly

Thoroughly clean all parts to be assembled.
Before installing the parts, apply fresh engine oil to all sliding and rotating surfaces.
Replace all gaskets and oil seals with new ones.

Install heater union
When using a new cylinder head, a new heater union must be installed.
1. Apply adhesive to the end of the heater union as shown in the illustration.
  Adhesive:
  Part No. 08833-00070, THREE BOND 1324 or equivalent
2. Using a wooden block and hammer, tap in a new heater union, leaving standard position protruding from the cylinder head.
  Standard protrusion:
  48 mm (1.89 in.)
Install valves
1. Install a new oil seal on the valve guide bushing.
2. Install these parts:
  1. Valve
  2. Spring seat
  3. Valve spring
  4. Spring retainer
  Confirm the correct direction of the valve spring.
3. Using SST, compress the valve spring and place the 2 keepers around the valve stem.
  SST 09202-70020 (09202-00010)
4. Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
Install valve lifters and shims
1. Install the valve lifter and shim.
2. Check that the valve lifter rotates smoothly by hand.
Install EGR cooler
Install a new gasket and the EGR cooler with the 8 bolts.
Torque: 8.8 N·m (90 kgf·cm, 78 in.·lbf)
Install camshaft position sensors
Install the gasket and sensor with the 2 bolts.
Torque: 8.8 N·m (90 kgf·cm, 78 in.·lbf)
Install engine hangers and ground strap
Torque: 39 N·m (400 kgf·cm, 29 ft·lbf)

This guide is based on the book edition Toyota (RM502U, 1997)

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