Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2004 C-Series Topkick Commercial C4/C5.
Capacities, torques and tune-up values from the factory service manual.
Torque the oil drain plug to 21.0 ft-lbs. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.
| Crankshaft Pulley and/or Damper Bolts | 189 ft-lbs |
| Intake Manifold to Engine Bolts | 15 ft-lbs |
| Exhaust Manifold to Cylinder Head Bolts | 28 ft-lbs |
| Intake Manifold to Engine Bolts | Right: 15 ft-lbs |
| Exhaust Manifold to Cylinder Head Bolts | 28 ft-lbs |
| Exhaust Manifold to Cylinder Head Bolts | Bolts: 26 ft-lbs, nuts: 12 ft-lbs |
| Engine Oil Pan Drain Plug | 62.0 ft-lbs |
| Engine Oil Pan Drain Plug | 21.0 ft-lbs |
| Refrigerant | R134a |
| Refrigerant Capacity | 2.13 lbs |
| Oil Group | PAG |
| Oil Type | 46 |
| Oil Capacity | 8.00 oz |
| Injector Primary Resistance | 11-14 @ 50-90 degreesF ohms |
| Engine Compression | 100 Minimum psi |
| Engine Compression | 215 Nominal psi |
| Engine Compression | 100 Minimum psi |
| Engine Compression | 100 Minimum psi |
| 1 | 74 ft. lbs., step 2: 90 | 74 ft. lbs |
Prep M12 bolts:
| 1 | 37 ft. lbs. | 37 ft. lbs |
| 2 | 59 ft. lbs. | 59 ft. lbs |
| 3 | 60 degrees | 60 degrees |
| 4 | 90 degrees; M8 bolts: | 90 degrees |
| 1 | 18 | |
Prep M12 bolts:
| 1 | 37 ft. lbs. | 37 ft. lbs |
| 2 | 59 ft. lbs. | 59 ft. lbs |
| 3 | 90 degrees; M8 bolts: | 90 degrees |
| 1 | 18 | |
| 1 | 22 ft. lbs. | 22 ft. lbs |
| 2 | 22 ft. lbs. | 22 ft. lbs |
| 3 | 120 degrees | 120 degrees |
| 4 | bolts 1, 2, 3, 6, 7, 8, 9, 10, 11, 14, 16, 17 | 60 degrees |
| 5 | bolts 15, 18 | 45 degrees |
| 6 | turn 30 | |
| 1 | 3.7 ft. lbs., step 2: 5.9 ft. lbs., step 3: 8.8 | 3.7 ft. lbs |
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Cross-vehicle references for the kinds of data on this page.