Service manual

181 CID (3.0L) 4 CYLINDER GM ENGINE SERVICE MANUAL NUMBER 26
Page 3A-54 90-861329--1 MARCH 1999
d. Use a hammer handle with light blows to install piston into bore.
e. Hold ring compressor firmly against cylinder block until all piston rings have entered
cylinder bore.
IMPORTANT: Be sure to install new pistons in same cylinders for which they were
fitted, and used pistons in same cylinder from which they were removed. Each
connecting rod and bearing cap should be marked, beginning at front of engine.
Numbers on connecting rod and bearing cap must be on same side when installed
in cylinder bore. If a connecting rod is ever transposed from one block or cylinder to
another, new bearings should be fitted and connecting rod should be numbered to
correspond with new cylinder number.
72898
a
a-Piston Ring Compressor (J-8037)
5. Remove connecting rod bolt guide.
6. Install bearing caps and torque nuts to 45 lb-ft (27 Nm).
7. Check connecting rod side clearance as previously described.
NOTE: If bearing replacement is required, refer to “Connecting Rod Bearings.”
8. Install as previously outlined:
a. Oil pump.
b. Dipstick and oil pan.
c. Cylinder heads.
d. Intake manifold.
e. Distributor.
9. Torque rocker arm nuts to 20 lb-ft (27 Nm).
10. Install rocker arm cover and torque to 40 lb-in (4.5 Nm)
11. Fill crankcase with oil. Refer to SECTION 1B “Maintenance.”
Index