Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Installation Procedure
2004 Oldsmobile Bravada RWDSECTION Installation Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Install the fuel injection pump.
- Install the fuel injection pump bolts to the front of the engine front cover.
Tighten: Tighten the bolts to 20 N.m (15 lb ft).
- Connect the fuel return line banjo bolt at the junction block.
Tighten: Tighten the bolt to 15 N.m (11 lb ft).
- Install the fuel supply hose and hose clamp to the fuel injection pump.
- Install fuel return hose and hose clamp to the fuel injection pump.
- Install high pressure lines to the injection pump to the junction block.
Tighten: Tighten the fittings to 44 N.m (32 lb ft).
- Install the fuel pressure sensor connector at the junction block.
- Replace the hose to turbocharger water feed line. Refer to Turbocharger Coolant Hoses/Pipes Replacement (6.6L (LB7) Engine) or Turbocharger Coolant Hoses/Pipes Replacement (6.6L (LLY) Engine - Inlet Pipe) or Turbocharger Coolant Hoses/Pipes Replacement (6.6L (LLY) Engine - Outlet Pipe) in Engine Cooling.
- Install the thermostat housing crossover. Refer to Thermostat Housing Crossover Replacement (6.6L (LB7) Engine) or Thermostat Housing Crossover Replacement (6.6L (LLY) Engine) in Engine Cooling.
- Install air intake pipe. Refer to Air Intake Pipe Replacement .
- Install the heater pipe using the following procedure:
- Install new O-ring lubricated with clean engine oil.
- Install the heater pipe bracket bolt.
Tighten: Tighten the bolt to 20 N.m (15 lb ft).
- Install the heater pipe to water crossover bolts.
Tighten: Tighten the bolts to 20 N.m (15 lb ft).
- Connect the engine wiring harness.
- Install upper radiator hose at outlet pipe using the following procedure:
- Install upper radiator hose mounting bolts and brackets.
Tighten: Tighten the bolts to 10 N.m (89 lb ft).
- Install the upper radiator hose clamp.
- Install upper radiator hose mounting bolts and brackets.
- Install turbo cooling hose return and clamp.
- Install the left idler pulley and bolt.
- Install PCV catch tank, hose clamp and bolt to the right front of the engine.
- Install the thermostat housing bracket, wiring, fuel test port and nuts.
- Install the generator. Refer to Generator Replacement (4.3L Engine) or Generator Replacement (4.8L, 5.3L, and 6.0L Engines) or Generator Replacement (6.6L (LB7) Engine) or Generator Replacement (6.6L (LLY) Engine) or Generator Replacement (8.1L Engine) in Engine Electrical.
- Install a new O-ring to the oil fill tube and lubricate the O-ring with clean engine oil.
- Install the oil fill tube. Refer to Oil Fill Tube Replacement in Engine Mechanical - 6.6L.
- Install the air conditioning/power steering bracket and bolts.
Tighten: Tighten the bolts to 46 N.m (34 lb ft).
- Install the power steering pump. Refer to Power Steering Pump Replacement (4.3L) or Power Steering Pump Replacement (4.8L, 5.3L and 6.0L) or Power Steering Pump Replacement (8.1L) or Power Steering Pump Replacement (6.6L Diesel) or Power Steering Pump Replacement (Parallel Hybrid Truck) in Power Steering System.
- Install the air conditioning compressor. Refer to Compressor Replacement (L18) or Compressor Replacement (LB7) or Compressor Replacement (LR4, LM7, and LQ4) in HVAC.
- Install the positive battery cable junction box and bolt.
- Install the serpentine belt. Refer to Drive Belt Replacement in Engine Mechanical - 6.6L.
- Install the fan blade. Refer to Fan Replacement in Engine Cooling.
- Install the upper fan shroud. Refer to Fan Shroud Replacement - Upper (W/O M74) or Fan Shroud Replacement - Upper (W/M74) or Fan Shroud Replacement - Upper (W/HP2) in Engine Cooling.
- Refill the coolant. Refer to Draining and Filling Cooling System (with HP2) or Draining and Filling Cooling System (without HP2) in Engine Cooling.
- Install the air intake duct between the air cleaner and the turbocharger inlet housing.
- Connect the negative battery cables. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical.
- Replace all of the hold down ties.
- Start the engine and check for leaks or noises.
- After the engine warms up, refill coolant reservoir to proper level.
NOTE:
Refer to Fastener Notice in Cautions and Notices.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.