Crankshaft, Main & Connecting Rod Bearings (4.3L)
WARNING: This page does not describe the selected car, but rather 55 other vehicles, including the 1999 Oldsmobile Bravada, 1999 GMC Yukon, 1999 GMC Suburban, 1999 GMC Sonoma, and 1999 GMC Sierra. However, it is still accessible from the selected car via links, so may be relevant.
CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS (4.3L)
| Application | In. (mm) | ||
|---|---|---|---|
| Crankshaft End Play | .002-.008 (.05-.2) | ||
| Crankshaft Run Out | .001 (.025) Main Bearings | ||
| Main Bearings | |||
| Journal Diameter | |||
| No. 1 | 2.4488-2.4495 (62.199-62.217) | ||
| No. 2 & 3 | 2.4485-2.4494 (62.191-62.215) | ||
| No. 4 | 2.4479-2.4489 (62.179-62.203) | ||
| Journal Out-Of-Round | .0002-.001 (.005-.03) | ||
| Journal Taper (Maximum) | .0003 (.008) | ||
| Oil Clearance | |||
| No. 1 | .008-.002 (.02-.051) | ||
| No. 5 | .0025-.0038 (.064-.096) | ||
| Connecting Rod Bearings | |||
| Connecting Rod Journal Diameter | 2.2487-2.2497 (57.116-57.148) | ||
| Journal Out-Of-Round | |||
| Standard | .0003 (.008) | ||
| Service Limit | .001 (.03) | ||
| Journal Taper | |||
| Standard | .0003 (.008) | ||
| Service Limit | .001 (.03) | ||
| Oil Clearance | .0013-.0035 (.033-.089) | ||
| Side Clearance | .006-.024(.150-.61) | ||