Engine Cooling System: Specifications — Chevrolet Tahoe II (1999-2006)

Engine Cooling System: Specifications Chevrolet Tahoe II

Fastener Tightening Specifications

Application	Specification
Application	Metric	English
Air Cleaner Outlet Duct Clamp Screw - 4.8L, 5.3L, and 6.0L Engines	7 N.m	62 lb in
Coolant Air Bleed Pipe Stud/Bolt - 4.8L, 5.3L, and 6.0L Engines	12 N.m	106 lb in
Coolant Crossover Bolt - 8.1L Engine	50 N.m	37 lb ft
Coolant Heater Cord Bolt	8 N.m	71 lb in
Coolant Heater	50 N.m	37 lb ft
Engine Block Coolant Drain Plug	60 N.m	44 lb ft
Fan Clutch Bolt	23 N.m	17 lb ft
Fan Clutch Nut	56 N.m	41 lb ft
Fan Shroud Bolt	9 N.m	80 lb in
Oil Cooler Hose Adapter Bolt - 6.0L Engine	12 N.m	106 lb in
Oil Cooler Hose Bracket Bolt - 6.0L Engine	25 N.m	18 lb ft
Radiator Bolt	25 N.m	18 lb ft
Surge Tank Bolt/Nut	9 N.m	80 lb in
Thermostat Housing Bolt
4.8L, 5.3L, and 6.0L Engines	15 N.m	11 lb ft
8.1L Engine	37 N.m	27 lb ft
Transmission Control Module (TCM) Cover Bolt	9 N.m	80 lb in
Transmission Control Module (TCM) Electrical Connector Bolt	8 N.m	71 lb in
Water Outlet Bolt - 8.1L Engine	30 N.m	22 lb ft
Water Pump Bolt - 4.8L, 5.3L, and 6.0L Engines
First Pass	15 N.m	11 lb ft
Final Pass	30 N.m	22 lb ft
Water Pump Bolt - 8.1L Engine	50 N.m	37 lb ft

Fastener Tightening Specifications

Scheme 30: Engine Cooling Schematics

Scheme 31: Cooling System Component Views

Callout	Component Name
1	Manifold Absolute Pressure (MAP) sensor
2	Fuel Pressure Regulator
3	Positive Crankcase Ventilation (PCV) Valve
4	Left Bank Ignition Coils
5	Engine Oil Pressure (EOP) Sensor
6	Engine Coolant Temperature (ECT) Sensor
7	Throttle Position (TP) Sensor
8	Throttle Body
9	Idle Air Control (IAC) Valve
10	Evaporative Emission (EVAP) Canister Purge Solenoid

Callout	Component Name
1	Engine Harness
2	Manifold Absolute Pressure (MAP) Sensor Connector
3	Engine
4	Engine Coil Harness Connector
5	Engine Coil Connector
6	Engine Coolant Temperature (ECT) Sensor Connector