Oversize Bearing
WARNING: This page is about a different car, the 1987 Chevrolet Sprint. However, it is still accessible from the selected car via links, so may be relevant.
- The following procedure is used to select an oversize bearing in the event that the crankshaft must be repaired or replaced. Regrind journal to finished diameter of 1.7612-1.7618" (44.734-44.75 mm).
- Measure reground journal with a micrometer. From measurement obtained and letters stamped on oil pan mating surface, select new undersize bearing.
NOTE:
Oversize bearings are available in 5 sizes. Paint marks are applied for identification purposes. Each color indicates thickness at center of bearing.
CRANKSHAFT JOURNAL OVERSIZE BEARINGS
| Color Code | Bearing Thickness: In. (mm) |
|---|---|
| Green & Red | .0835-.0836 (2.121-2.123) |
| Black & Red | .0836-.0837 (2.123-2.126) |
| Red Only | .0837-.0838 (2.126-2.129) |
| Yellow & Red | .0838-.0839 (2.129-2.131) |
| Blue & Red | .0839-.0840 (2.131-2.134) |
CRANKSHAFT JOURNAL OVERSIZE BEARING SELECTION
| Journal Diameter Diameter Block Letter | Bearing Color | |
|---|---|---|
| 1.7616-1.7618" (44.74-44.75 mm) | ||
| A | Green & Red | |
| B | Black & Red | |
| C | Red | |
| 1.7614-1.7616" (44.73-44.74 mm) | ||
| A | Black & Red | |
| B | Red | |
| C | Yellow & Red | |
| 1.7612-1.7614" (44.72-44.73 mm) | ||
| A | Red | |
| B | Yellow & Red | |
| C | Blue & Red | |