Service manual

181 CID (3.0L) 4 CYLINDER GM ENGINE
SERVICE MANUAL NUMBER 26
90-861329--1 MARCH 1999 Page 3A-3
Torque Specifications
Fastener Location lb-in. lb-ft Nm
Camshaft Sprocket Bolts 80 9
Connecting Rod Cap Nuts 45 61
Cylinder Head Bolts 90
1
122
Distributor Clamp 20 27
Engine Coupler to Flywheel 35 47
Flywheel Housing to Block 21 28
Flywheel to Crankshaft Bolts 65 88
Front Cover Bolts 27-35 3.4
Front Mount to Block 21 28
Main Bearing Cap Bolts 65 88
Center 20-25
2
27-34
Manifold to Head
Outer 15-20 20-27
Oil Pan Bolts-Crankcase 80 9
Oil Pan Bolts-to Front Cover 45 5
Oil Pan Studs to Oil Seal Retainer or Crankcase 15 1.7
Oil Pump Cover 72 8
Oil Pump to Block 120 14
Oil Pump Pickup 60 7
Rocker Arm Cover and Bolts 40 4.5
Rocker Arm Nuts
3/4 Turn Down From Zero
Lash
Push Rod Cover Bolts 40 4.5
Crankshaft Rear Oil Seal Retainer Nuts 150-180 17-20
Spark Plugs 22 30
Starter Motor to Block 37 50
Timing Gear Cover 72 8
Torsional Damper Bolt 50 68
Water Pump to Block 15 20
1
Retorque after first 20 hours of operation.
2
Retorque after first start-up.
Index