Adhesives, Fluids, Lubricants, and Sealers
| Application | Type of Material | GM Part Number | |
|---|---|---|---|
| United States | Canada | ||
| Coolant Temperature Sensor Threads | Sealant | 12346004 | 10953480 |
| Cylinder Head Core Hole Plug | Threadlocker | 12345382 | 10953489 |
| Cylinder Head Plug | Threadlocker | 12345382 | 10953489 |
| Engine Block Coolant Drain Hole Plug Sealing Washer | Sealant | 12346004 | 10953480 |
| Engine Block Front Oil Gallery Plug | Threadlocker | 12345382 | 10953489 |
| Engine Block Oil Gallery Plug Sealing Washers | Sealant | 12346004 | 10953480 |
| Engine Oil | 5W-30 | 19293000 | 19286321 |
| Engine Oil Pressure Sensor Threads | Sealant | 12346004 | 10953480 |
| Engine Oil Supplement | Fluorescent Dye | 88861206 | 88861259 |
| Exhaust Manifold Bolts | Threadlocker | 89021297 | 10953488 |
| Flywheel/Flex Plate Bolts | Threadlocker | 12345382 | 10953489 |
| Fuel Injection Fuel Rail Bolts | Threadlocker | 12345382 | 10953489 |
| Ignition Coil Bracket-to-Valve Cover Studs | Threadlocker | 12345382 | 10953489 |
| Ignition Coil-to-Bracket Bolts | Threadlocker | 12345382 | 10953489 |
| Intake Manifold Bolts | Threadlocker | 12345382 | 10953489 |
| Oil Pan Oil Gallery Plug Threads | Sealant | 12346004 | 10953480 |
| Oil Pan Surface at Front Cover and Rear Housing | Sealant | 12378521 | 88901148 |
| Thread Repair Component Cleaner | Cleaner | 88862650 | 88901247 |
| Thread Repair Cutting Oil | Lubricant | 1052864 | 992881 |
Adhesives, Fluids, Lubricants, and Sealers
Scheme 56
| Hole | Thread Size | Insert | Drill | Counterbore Tool | Tap | Driver | Drill Depth- Maximum mm (in) | Tap Depth- Maximum mm (in) |
|---|---|---|---|---|---|---|---|---|
| J 42385 | ||||||||
| 1 | M8 x 1.25 | 210 | 206 | 207 | 208 | 209 | 22.5 (0.885) | 17.5 (0.688) |
| 2 | M10 x 1.5 | 215 | 211 | 212 | 213 | 214 | 27.5 (1.08) | 22.0 (0.866) |
| 3 | M10 x 1.5 | 215 | 211 | 212 | 213 | 214 | Thru | Thru |
| 4 | M8 x 1.25 | 210 | 206 | 207 | 208 | 209 | Thru | Thru |
| 5 | M10 x 1.5 | 215 | 211 | 212 | 213 | 214 | 25.0 (0.984) | 19.5 (0.767) |
| 6 | M10 x 1.5 | 215 | 211 | 212 | 213 | 214 | 32.5 (1.279) | 25.0 (0.984) |
| 7 | M10 x 1.5 | 215 | 211 | 212 | 213 | 214 | Thru | Thru |
| Bolt hole 6 is drilled and tapped for aluminum block applications only. | ||||||||
Engine Block- Front/Rear Views
Scheme 57
| Hole | Thread Size | Insert | Drill | Counterbore Tool | Tap | Driver | Drill Depth- Maximum mm (in) | Tap Depth- Maximum mm (in) |
|---|---|---|---|---|---|---|---|---|
| J 42385 | ||||||||
| 1 | M8 x 1.25 | 210 | 206 | 207 | 208 | 209 | 22.5 (0.885) | 17.5 (0.688) |
| 2 | M6 x 1.0 | 205 | 201 | 202 | 203 | 204 | 22.5 (0.885) | 15.0 (0.688) |
| 3 | M8 x 1.25 | 210 | 206 | 207 | 208 | 209 | 28.5 (1.122) | 23.0 (0.905) |
| 4 | M8 x 1.25 | 210 | 206 | 207 | 208 | 209 | 21.5 (0.846) | 16.0 (0.629) |
| 5 | M10 x 1.25 | 215 | 211 | 212 | 213 | 214 | 29.0 (1.141) | 23.0 (0.905) |
| 6 | M10 x 1.5 | 215 | 211 | 212 | 213 | 214 | 27.0 (1.062) | 21.5 (0.846) |
| 7 | M16 x 1.5 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 8 | M11 x 2.0 | 108 | 105 | N/A | 106 | 107 | 69.0 (2.72) | 60.0 (2.36) |
| Bolt hole 8 has a 30 mm (1.18 in) counterbore included in the 69.0 mm (2.72 in) drill depth. Use sleeve J 42385-315 with the drill and tap. | ||||||||
Engine Block- Left/Right Side Views
Scheme 58
| Hole | Thread Size | Insert | Drill | Counterbore Tool | Tap | Driver | Drill Depth- Maximum mm (in) | Tap Depth- Maximum mm (in) |
|---|---|---|---|---|---|---|---|---|
| J 42385 | ||||||||
| 1 | M8 x 1.25 | 210 | 206 | 207 | 208 | 209 | 22.5 (0.885) | 17.5 (0.688) |
| 2 | M10 x 1.5 | 215 | 211 | 212 | 213 | 214 | 42.5 (1.67) | 37.0 (1.45) |
| 3 | M10 x 2.0 | 104 | 101 | N/A | 102 | 103 | 31.0 (1.22) | 25.5 (1.0) |
| 4 | M10 x 2.0 | 104 | 101 | N/A | 102 | 103 | 53.5 (2.10) | 44.0 (1.73) |
| 5 | M8 x 1.25 | 210 | 206 | 207 | 208 | 209 | 26.5 (1.043) | 19.0 (0.748) |
| Bolt hole 2 has an 11.5 mm (0.452 in) counterbore included in the 42.5 mm (1.67 in) drill depth. Use sleeve J 42385-311 with the drill and tap. Bolt hole 3 has a 1.5 mm (0.059 in) counterbore included in the 31.0 mm (1.22 in) drill depth. Use sleeve J 42385-316 with the drill and tap. Bolt hole 4 has a 20.5 mm (0.807 in) counterbore included in the 53.5 mm (2.10 in) drill depth. | ||||||||
Engine Block- Top/Bottom Views
Scheme 59
| Hole | Thread Size | Insert | Drill | Counterbore Tool | Tap | Driver | Drill Depth- Maximum mm (in) | Tap Depth- Maximum mm (in) |
|---|---|---|---|---|---|---|---|---|
| J 42385 | ||||||||
| 1 | M8 x 1.25 | 210 | 206 | 207 | 208 | 209 | 26.5 (1.04) | 19.0 (0.784) |
| 2 | M6 x 1.0 | 205 | 201 | 202 | 203 | 204 | 20.05 (0.789) | 16.05 (0.632) |
| 3 | M10 x 1.5 | 215 | 211 | 212 | 213 | 214 | 28.0 (1.10) | 20.0 (0.787) |
| 4 | M6 x 1.0 | 205 | 201 | 202 | 203 | 204 | 22.5 (0.885) | 15.0 (0.688) |
Cylinder Head- Top/End Views
Scheme 60
| Hole | Thread Size | Insert | Drill | Counterbore Tool | Tap | Driver | Drill Depth- Maximum mm (in) | Tap Depth- Maximum mm (in) |
|---|---|---|---|---|---|---|---|---|
| J 42385 | ||||||||
| 1 | M6 x 1.0 | 205 | 201 | 202 | 203 | 204 | Thru | Thru |
| 2 | M10 x 1.5 | 215 | 211 | 212 | 213 | 214 | 28.0 (1.10) | 20.0 (0.787) |
| 3 | M8 x 1.25 | 210 | 206 | 207 | 208 | 209 | 21.0 (0.826) | 16.0 (0.629) |
| 4 | M14 x 1.25 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 5 | M12 x 1.5 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
Cylinder Head- Intake/Exhaust Side Views