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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1022 (ENGINE COOLING SYSTEM)
2004 Oldsmobile Bravada RWD
Section 1022 (Engine Cooling System)
2004 Oldsmobile Bravada RWDSECTION Section 1022 (Engine Cooling System)
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.
- Specifications
- Schematic Wiring Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Engine Cooling
- Diagnostic System Check - Engine Cooling
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC B0159: Outside Air Temperature Sensor Circuit Range/Performance
- DTC B3844: Engine Coolant Circulation Pump Circuit
- DTC P1258: Engine Coolant Overtemperature - Protection Mode Active
- DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78, or P1A79: Energy Storage Control Module (ESCM) Internal Malfunction
- DTC P1AC0: Starter/Generator Control Module Output Circuit
- DTC P0A06 or P0A07: Energy Storage Control Module (ESCM) Internal Malfunction
- DTC P1AC1 or P1AC2: Starter/Generator Control Module (SGCM) Coolant
- DTC P0A3E: SGCM Calculated Temperature High
- DTC P1A7E: Starter/Generator Control Module Overtemperature - High Voltage System Disabled
- DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85, or P1A86: Internal Fluid Level Sensor High Voltage
- DTC P1A87: Low Starter/Generator Control Module Coolant Level
- Symptoms - Engine Cooling
- Engine Overheated Indicator Always On
- Engine Coolant Temperature Indicator Always On
- Low Engine Coolant Indicator Always On
- Engine Overheating
- Loss of Coolant
- Loss of Coolant - Starter/Generator Control Module
- Thermostat Diagnosis
- Coolant Heater Inoperative
- Engine Fails To Reach Normal Operating Temperature
- Pressure Cap Testing
- Pressure Cap Testing - Starter/Generator Control Module
- Coolant Leak Testing
- Coolant Leak Testing - Starter/Generator Control Module
- Starter Generator Control Module Coolant Pump Inoperative
- Starter Generator Control Module Cooling Fan Always On
- Starter Generator Control Module Cooling Fan Inoperative
- Fan Clutch Diagnosis
- Repair Instructions
- Draining and Filling Cooling System (with HP2)
- Draining and Filling Cooling System (without HP2)
- Draining and Filling Cooling System - Starter/Generator Control Module
- Flushing
- Flushing - Starter/Generator Control Module
- Radiator Cleaning
- Cooling Fan - Starter/Generator Control Module Replacement
- Coolant Tank - Starter/Generator Control Module Replacement
- Coolant Tank Hose - Starter/Generator Control Module Replacement
- Coolant Pump - Starter/Generator Control Module Replacement
- Coolant Pump Inlet Hose - Starter/Generator Module Replacement
- Coolant Pump Outlet Hose - Starter/Generator Module Replacement
- Coolant Pipe Quick Connect Fitting - Starter/Generator Control Module
- Radiator - Starter/Generator Control Module Replacement
- Radiator Hose Outlet - Starter/Generator Control Module Replacement
- Cooler Pipe Inlet - Starter/Generator Stator Replacement
- Surge Tank Replacement
- Surge Tank Hose/Pipe Replacement - Inlet
- Radiator Hose Quick Connect Fitting
- Radiator Hose Replacement - Inlet (4.3L Engine)
- Radiator Hose Replacement - Inlet (4.8, 5.3, and 6.0L Engines)
- Radiator Hose Replacement - Inlet (6.6L)
- Radiator Hose Replacement - Inlet (8.1L)
- Radiator Hose Replacement - Outlet (4.3L Engine)
- Radiator Hose Replacement - Outlet (4.8, 5.3, and 6.0L Engines)
- Radiator Hose Replacement - Outlet (6.6L)
- Radiator Hose Replacement - Outlet (8.1L)
- Radiator Hose Replacement - Outlet (W/HP2)
- Radiator Vent Inlet Hose Replacement
- Engine Oil Cooler Pipe/Hose Quick Connect Fitting
- Engine Oil Cooler Hose/Pipe Replacement (2WD)
- Engine Oil Cooler Hose/Pipe Replacement (4WD)
- Fan Replacement
- Fan Clutch Replacement
- Cooling Fan Pulley Replacement (6.6L (LB7) Engine)
- Cooling Fan Pulley Replacement (6.6L (LLY) Engine)
- Turbocharger Coolant Bypass Valve Replacement (6.6L (LB7) Engine)
- Turbocharger Coolant Bypass Valve Replacement (6.6L (LLY) Engine)
- Turbocharger Coolant Hoses/Pipes Replacement (6.6L (LB7) Engine)
- Turbocharger Coolant Hoses/Pipes Replacement (6.6L (LLY) Engine - Inlet Pipe)
- Turbocharger Coolant Hoses/Pipes Replacement (6.6L (LLY) Engine - Outlet Pipe)
- Exhaust Gas Recirculation (EGR) Coolant Hoses/Pipes Replacement (6.6L (LLY) Engine)
- Thermal Bypass Fitting Replacement (5.3L Engine w/RPO HP2)
- Thermal Bypass Hose Replacement (5.3L Engine w/RPO HP2)
- Water Outlet Tube Replacement (6.6L (LB7) Engine)
- Water Outlet Tube Replacement (6.6L (LLY) Engine)
- Thermostat Housing Replacement (4.8L, 5.3L, and 6.0L Engines)
- Thermostat Replacement (4.3L Engine)
- Thermostat Replacement (6.6L (LB7) Engine)
- Thermostat Replacement (6.6L (LLY) Engine)
- Thermostat Replacement (8.1L Engine)
- Thermostat Housing Crossover Replacement (6.6L (LB7) Engine)
- Thermostat Housing Crossover Replacement (6.6L (LLY) Engine)
- Coolant Crossover Pipe Replacement (8.1L)
- Coolant Air Bleed Pipe Assembly Replacement (4.8L, 5.3L, and 6.0L)
- Coolant Air Bleed Hose Replacement (4.8L, 5.3L, and 6.0L)
- Thermostat Bypass Pipes Replacement (6.6L (LB7) Engine)
- Thermostat Bypass Pipes Replacement (6.6L (LLY))
- Water Pump Replacement (4.3L Engine)
- Water Pump Replacement (4.8L, 5.3L, and 6.0L Engines)
- Water Pump Replacement (6.6L (LB7) Engine)
- Water Pump Replacement (6.6L (LLY))
- Water Pump Replacement (8.1L)
- Water Pump Outlet Pipe Replacement (6.6L (LB7) Engine)
- Water Pump Outlet Pipe Replacement (6.6L (LLY))
- Water Pump Replacement - Auxiliary
- Drain Cock Replacement
- Fan Shroud Replacement - Upper (W/O M74)
- Fan Shroud Replacement - Upper (W/M74)
- Fan Shroud Replacement - Upper (W/HP2)
- Fan Shroud Replacement - Lower
- Radiator Replacement (EXC 8.1L)
- Radiator Replacement (8.1L)
- Radiator Air Baffle and Deflector Replacement - Side
- Radiator Air Baffle and Deflector Replacement - Upper
- Coolant Heater Replacement (4.3L)
- Coolant Heater Replacement (4.8L, 5.3L, and 6.0L)
- Coolant Heater Replacement (6.6L Engine)
- Coolant Heater Replacement (8.1L)
- Coolant Heater Cord Replacement
- Description and Operation
- Cooling System Description and Operation
- Engine Coolant Indicators
- Cooling Fan Control - Two Fan System
- Coolant Level Control (If Equipped)
- Coolant Heater
- Cooling System
- Starter Generator Control Module Cooling System Description and Operation
- Cooling System Description and Operation
- Special Tools and Equipment
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.