Model Identification
Vehicle model can be identified by the fifth character of Vehicle Identification Number (VIN). See MODEL IDENTIFICATION . VIN is stamped on a metal pad at top left of instrument panel, near windshield.
MODEL IDENTIFICATION
| Series |
Model |
| "C" |
2WD Pickup, Sierra |
| "G" |
Van |
| "K" |
4WD Pickup, Sierra |
VACUUM DIAGRAM REFERENCE
| Engine & Vehicle Series |
Application |
Trans. |
Fig. No. |
| "C" & "K" Series |
Calif./Federal |
Automatic |
1 |
| "C" & "K" Series |
Calif./Federal |
Manual |
2 |
| "G" Series |
Calif./Federal |
All |
3 |
| "G" Series |
Calif./Federal |
Automatic |
4 |