Crankshaft Main Bearings - Remove
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| Required Tools | |||
| Tool | Part Number | Part Description | Qty |
| A | 3R-1937 | Barring Gp(1) | 1 |
| B | 9U-5023 | Main Bearing Wrench | 1 |
| C | 2P-5517 | Main Bearing Tool | 1 |
| D | 230-5843(2)
or 236-6688(3) |
Main Bearing Cap Tool | 2 |
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| (1) | The 285-5989 Engine Turning Tooling is alternate tooling. |
| (2) | Use with |
| (3) | Use with |
Start By:
- Remove the oil pump.
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| NOTICE |
|---|
|
Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Remove covers (1) from the side of the engine.
- Use Tooling (A) in order to rotate the crankshaft. Rotate the crankshaft in order to position the counterweight on the top.
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Illustration 2 g00930580 - Use Tooling (B) and loosen the bolts for the main bearing cap.
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Illustration 3 g00930589 - Remove the two outer bolts for main bearing cap (2) and install Tooling (D). Install Tooling (D) until Tooling (D) bottoms out in the block. Adjust nuts (3) on Tooling (D) until nuts (3) make contact with main bearing cap (2). Remove the two inner bolts for main bearing cap (2).
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Illustration 4 g00930593 - Loosen nuts (3) evenly in order to lower main bearing cap (2). Lower main bearing cap (2) to the end of the bolt on Tooling (D) in order to gain access to the main bearings.
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Illustration 5 g00930603 - Use Tooling (A) and rotate the crankshaft until the oil hole of the crankshaft journal is just below the side of the main bearing without the tab. Install Tooling (C) and remove the upper bearing.
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Illustration 6 g00930606 - Remove lower main bearing (4) from main bearing cap (2).
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| Illustration 1 | g00930577 |
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