Engine Block: Inspection
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- Measure the combustion deck face using a straight edge (1) and a feeler gauge (2). Cylinder block flatness: End-to-end 0.076 mm (.003 in.). Maximum variation side-to-side 0.051 mm (.002 in.).
- Inspect for any localized dips or imperfections.
- If the surface exceeds the limit. Refer to ENGINE BLOCK, STANDARD PROCEDURE, 6.7L .
- Inspect the cylinder bores for damage or excessive wear.
- Measure the cylinder bores. If the cylinder bores exceed the limit. Refer to ENGINE BLOCK, STANDARD PROCEDURE, 6.7L .
BORE SPECIFICATIONS
| BORE SPECIFICATIONS | |
|---|---|
| BORE DIAMETER | |
| Min. | 106.990 mm (4.212 in.) |
| Max. | 107.010 mm (4.213 in.) |
| OUT OF ROUNDNESS | |
| Max. | 0.038 mm (0.001 in.) |
| TAPER | |
| Max. | 0.076 mm (.003 in.) |
- Inspect the camshaft bores for scoring or excessive wear.
- Measure the camshaft bores. Refer to ENGINE SPECIFICATIONS .
- If a bore exceeds the limit. Refer to ENGINE BLOCK, STANDARD PROCEDURE, 6.7L .
- Inspect the tappet bores for scoring or excessive wear.
- Measure tappet bore from bottom of block. Minimum tappet bore diameter 16.000 mm (0.630 in.). Maximum tappet bore 16.055 mm (0.632 in.).
- If out of limits, replace the cylinder block.