Adhesives, Fluids, Lubricants, and Sealers
| Application | Type of Material | GM Part Number |
|---|
| United States | Canada |
| Sealing Cup Plug | Threadlocker | 89021297 | 10953488 |
| Upper Oil Pan to Cylinder Block | Sealant | 12378521 | 88901148 |
| Flywheel Housing to Cylinder Block | Sealant | 12378521 | 88901148 |
| Engine Front Cover to Cylinder Block | Sealant | 12378521 | 88901148 |
| Lower Oil Pan to Upper Oil Pan | Sealant | 12378521 | 88901148 |
| Crankshaft Bearing Side Cap Bolts | Sealant | 12346004 | 10953480 |
| Intake Manifold to Cylinder Head | Sealant | 12378521 | 88901148 |
| Rocker Arm Shaft | 15W-40 | 88862497 | 88862379 |
| Valve Bridge Cap | 15W-40 | 88862497 | 88862379 |
| Valve Stem Seal | 15W-40 | 88862497 | 88862379 |
| Valve Lifter | Lubricant | 88862586 | 88862827 |
| Piston Ring | 15W-40 | 88862497 | 88862379 |
| Crankshaft Bearing | 15W-40 | 88862497 | 88862379 |
| Connecting Rod Bearing | 15W-40 | 88862497 | 88862379 |
| Thrust Bearing | 15W-40 | 88862497 | 88862379 |
| Camshaft Bearing | Lubricant | 88862586 | 88862827 |
| Camshaft | Lubricant | 88862586 | 88862827 |
| Connecting Rod Small End Bushing | 15W-40 | 88862497 | 88862379 |
| Push Rod | 15W-40 | 88862497 | 88862379 |
| Crankshaft Bearing Cap Bolt | Molybdenum Disulfide | 1052948 | 992926 |
| Lithium Grease | Lubricant | 89021668 | 89021674 |
| Parts Cleaner | Cleaner | 88862650 | 88901247 |
Adhesives, Fluids, Lubricants, and Sealers
Scheme 82
Scheme 82: Connecting Rod Bearing Grade
| Callout | Component Name |
|---|
| 1 | First Design |
| 2 | Second Design |
| Connecting Rod Grade (Stamped on Connecting Rod) | Use This Bearing Color | Bearing Thickness | Oil Clearance |
|---|
| Metric (mm) | English (in) | Metric (mm) | English (in) |
| A | Green | 2.007- 2.013 | 0.0790- 0.0793 | 0.037- 0.076 | 0.0015- 0.0030 |
| B | Yellow | 2.011- 2.017 | 0.0792- 0.0794 | 0.037- 0.076 | 0.0015- 0.0030 |
Connecting Rod Bearing Grade
Scheme 83
Scheme 83: Cylinder Head Gasket Selection Specifications
| Callout | Component Name |
|---|
| 1 | Grade A |
| 2 | Grade B |
| 3 | Grade C |
| 4 | Block Over-Bored |
| 5 | Block Over-Bored and Deck Milled |
| 6 | Right |
| 7 | Left |
| Cylinder Head Gasket Grade | Ti Max (Piston Projection) | Compressed Gasket Thickness |
|---|
| Metric (mm) | English (in) | Metric (mm) | English (in) |
| Grade A | 0.223-0.274 | 0.0088-0.0108 | 0.90-1.00 | 0.0354-0.0394 |
| Grade B | 0.274-0.325 | 0.0108-0.0128 | 0.95-1.05 | 0.0374-0.0413 |
| Grade C | 0.325-0.376 | 0.0128-0.0148 | 1.00-1.10 | 0.0394-0.0433 |
| Block Over-Bored 0.010-0.030 in (0.254-0.762 mm) | 0.223-0.376 | 0.0088-0.0148 | 1.00-1.10 | 0.0394-0.0433 |
| Block Over-Bored 0.010-0.030 in (0.254-0.762 mm) and Deck Milled 0.008 in (0.203 mm) | 0.4257-0.5777 | 0.0168-0.0228 | 1.25-1.35 | 0.0492-0.0532 |
