Fastener Tightening Specifications
| Application | Specification |
|---|
| Metric | English |
| Air Cleaner Outlet Duct Bolt (5.3L) | 10 N.m | 89 lb in |
| Air Cleaner Outlet Duct Clamp (5.3L) | 7 N.m | 62 lb in |
| Air Conditioning Condenser Bolt | 28 N.m | 21 lb ft |
| Auxiliary Heater Inlet and Outlet Hose/Pipe Nut (5.3L) | 10 N.m | 89 lb in |
| Coolant Air Bleed Pipe Bolt (5.3L) | 12 N.m | 106 lb in |
| Coolant Air Bleed Pipe Cover Bolt (5.3L) | 12 N.m | 106 lb in |
| Coolant Heater | 50 N.m | 37 lb ft |
| Coolant Recovery Reservoir Bolt | 12 N.m | 106 lb in |
| Coolant Recovery Reservoir Nut | 10 N.m | 89 lb in |
| Cooling Fan Nut | 56 N.m | 41 lb ft |
| Engine Harness Bracket Bolt (4.2L) | 45 N.m | 33 lb ft |
| Fan Blade Bolt | 27 N.m | 20 lb ft |
| Fan Shroud Bolt | 28 N.m | 21 lb ft |
| Thermostat Housing Bolt (4.2L) | 10 N.m | 89 lb in |
| Thermostat Housing Bolt (5.3L) | 15 N.m | 11 lb ft |
| Water Pump Bolt (4.2L) | 10 N.m | 89 lb in |
| Water Pump Bolt (5.3L) |
| First Pass | 15 N.m | 11 lb ft |
| Final Pass | 30 N.m | 22 lb ft |
| Water Pump Pulley Bolt (4.2L) | 25 N.m | 18 lb ft |
Fastener Tightening Specifications
Scheme 1
Scheme 1: Engine Cooling Schematics
Scheme 2
Scheme 2: Cooling System Component Views
| Callout | Component Name |
|---|
| 1 | Cooling Fan |
| 2 | Engine |
| 3 | C118 |
Scheme 3
| Connector Part Information OEM: 15326822 Service: 88987186 Description: 5-Way F GT 150 Series Sealed (BK) |
|---|
| Terminal Part Information Terminal/Tray: See Terminal Repair Kit Core/Insulation Crimp: See Terminal Repair Kit Release Tool/Test Probe: See Terminal Repair Kit |
Cooling Fan Connector Parts Information
| Pin | Wire Color | Circuit No. | Function |
|---|
| A | BK | 250 | Ground |
| B | WH | 2368 | Cooling Fan Clutch Supply Voltage |
| C | GY/WH | 2365 | Low Reference |
| D | D-BU | 2364 | Cooling Fan Speed Signal |
| E | GY | 597 | 5-Volt Reference |
Cooling Fan Connector Terminal Identification
