BELT ADJUSTMENT
| Application | Tension - Lbs. (kg) |
| Commercial Van |
| New Belt | 135 (61.2) |
| Old Belt | 90 (40.8) |
| Van With 6.5L Diesel |
| New Belt | 146 (66.2) |
| Old Belt | 90 (40.8) |
| All Others | (1) |
| (1) Serpentine belt tension is maintained automatically by a spring-loaded idler pulley. No adjustment is necessary. |
| (1) | Serpentine belt tension is maintained automatically by a spring-loaded idler pulley. No adjustment is necessary. |
| Application | Specification |
| Coolant Replacement Interval | 30,000 Miles |
| Pressure Cap | 15 psi |
| Thermostat Opens |
| Starts | 188°F (87°C) |
| Fully Open | 206° (97°C) |
| Coolant Capacity Qts. (L) (1) |
| 4.3L (VIN Z) |
| "C" & "K" Series | 11.0 (10.5) |
| "G" & "P" Series | 12.1 (11.5) |
| 5.0L (VIN H) | 18.0 (17.0) |
| 5.7L (VIN K) | (2) 17.0 (16.0) |
| 6.5L Diesel |
| (VIN F, P & S) | 26.5 (25.0) |
| (VIN Y) | (2) 24 (23) |
| 7.4L (VIN N) | (2) 23.0 (22.0) |
| (1) Specification is approximate and includes heater capacity. (2) On vehicles with rear heater, add 3 extra quarts (2.8L) of coolant. |
| (1) | Specification is approximate and includes heater capacity. |
| (2) | On vehicles with rear heater, add 3 extra quarts (2.8L) of coolant. |
COOLING SYSTEM SPECIFICATIONS