1. Preparation:
- Gather the necessary tools, including a full set of wrenches, sockets, a torque wrench, a bearing puller, and a bearing installer.
- Disconnect the battery to avoid any electrical hazards.
- Drain the engine oil.
- Remove the intake manifold.
2. Engine Disassembly:
- Remove the cylinder heads.
- Remove the oil pan.
- Remove the crankshaft main bearings.
3. Removing the Old Rod Bearings:
- Use the bearing puller to remove the old rod bearings from the connecting rods.
- Be careful not to damage the connecting rod journals.
4. Inspecting the Connecting Rods:
- Inspect the connecting rods for any signs of wear or damage.
- If any of the connecting rods are damaged, they must be replaced.
5. Installing New Rod Bearings:
- Use a bearing installer to press the new rod bearings onto the connecting rods.
- Ensure the bearings are properly seated in the bearing seats.
6. Reassembling the Engine:
- Reinstall the crankshaft main bearings.
- Reinstall the oil pan.
- Reinstall the cylinder heads.
- Reinstall the intake manifold.
7. Finishing Touches:
- Refill the engine with fresh oil.
- Reconnect the battery.
- Start the engine and check for any leaks or unusual noises.
8. Test Drive:
- Take the Tahoe for a test drive to ensure everything is functioning correctly.
Replacing rod bearings is a complex task and requires mechanical expertise. If you are not comfortable performing this task, it is recommended to seek help from a qualified mechanic.
