Fluids Capacities and Specifications
| Other | ||
| Allison Transmission External Filters | GM (AC) Part Number 25011122 (PF897) | |
| Engine Oil Capacities | ||
| Crankcase | ||
| 7.4 L | 7 quarts | (6.6 L) |
| Automatic Transmission Fluid Capacities | ||
| Automatic Transmission | ||
| AT542 (For oil pan filter change) | 14.8 quarts | (14 L) |
Add two quarts (one liter) when changing spin-on type filter. | ||
| Cooling System Capacity | ||
| Cooling System | ||
| 7.4 L | 22.5 quarts | (21.3 L) |
| Fuel Tank Capacities | ||
| Fuel Tank | 75 gallons | (284 L) |
| Rear Axle Oil Capacities | ||
| Rear Axle | ||
| 135-S Dana | 23.0 pints | (11.0 L) |
Many people saved thousands of dollars by doing some technical service procedures for their 1998 Chevrolet P12 Medium Duty Chassis by themselves. The easiest type of technical maintenance is changing engine oil, axles oil, manual and automatic transmission oil. Changing break fluid in 1998 Chevrolet P12 Medium Duty Chassis is also is a simple task. If you want to change engine oil, for instance, by yourself and save a couple of bucks you need to know how much this fluid engine oil is needed for 1998 Chevrolet P12 Medium Duty Chassis. If you fill engine or axles of your car with oil to the brim it may damage your vehicle engine or axles and void manufacturer warranty. Good news! We have this information and we give it to you for free.
Note: all capacities are approximate. When adding, be sure to fill to the appropriate level, as recommended in user manual for your 1998 Chevrolet P12 Medium Duty Chassis. Keep in mind that all information here is provided “as is” without any warranty of any kind.
Note: not all air conditioning refrigerants are the same. If the air conditioning system in your vehicle needs refrigerant, be sure the proper refrigerant is used. If you're not sure, ask your dealer.