Assembly

Fig. 89 Piston Ring Locations:

Refer to DISASSEMBLY, reverse procedure to assemble, noting the following:
1. Assemble piston and connecting rod with identification marks facing upward.
2. Install piston ring as follows:
a. Install oil ring spacer with ends upward, then the upper and lower rails. Ensure rails turn smoothly in both directions.
b. Install rings to piston. Rings must be installed with R marks upward. Second ring must be installed with scraper face downward.
3. Position ring end gaps as shown in Fig. 89.

Fig. 90 Main Bearing Cap Bolt Tightening Sequence:

4. Install main bearing caps according to cap number and arrow mark. Torque main bearing cap bolts in three steps in sequence shown in Fig. 90, to 40-43 ft. lbs.
5. Install connecting rod caps with matching marks aligned. Torque connecting rod cap nut in three steps to 36-38 ft. lbs.

Fig. 91 Main Bearing Support Plate Installation:

6. Install main bearing support plate as follows:
a. Apply silicon sealant to block as shown in Fig. 91.
b. Apply a continuous bead on main bearing support plate, then install support plate. Torque support plate in three steps to specifications.
c. Oil pan must be installed within 30 minutes after sealant is apply to support plate.

Fig. 92 Valve Spring Installation:

7. Install valve spring with narrow pitch end toward cylinder head, Fig. 92.

Fig. 94 Cylinder Head Tightening Sequence. 1990-92 1.6L/4-97 SOHC Engine:

Fig. 95 Cylinder Head Tightening Sequence. 1990-92 1.8L/4-112 SOHC Engine:

8. Torque cylinder head bolts in three steps in sequence shown in Figs. 94 and 95, to 56-60 ft. lbs.

Fig. 97 Rocker Shaft Tightening Sequence:

9. Torque rocker shaft bolts in three steps in sequence shown in Fig. 97, to 16-21 ft. lbs.
10. Install thermostat with jiggle pin facing upward.
11. Assemble timing belt, refer to TIMING BELT.