Contents Wiring diagrams Section: Cooling System (Mechanical) All sections

Engine Cooling System: Specifications Pontiac G6 I

Cooling System (Mechanical) 6 illustrations

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Condenser Bolt/Nut (2.4L)6 N.m53 lb in
Condenser-to-Radiator Bolt6 N.m53 lb in
Coolant Crossover Pipe Bolt (3.9L)50 N.m37 lb ft
Coolant Heater (3.5L and 3.9L)60 N.m44 lb ft
Coolant Heater Bolt (2.4L)10 N.m89 lb in
Exhaust Heat Shield Bolt (2.4L)23 N.m17 lb ft
Lower Radiator Support Bracket Bolt60 N.m44 lb ft
Radiator Surge Tank Pipe Bolt (3.9L)10 N.m89 lb in
Thermostat Bypass Pipe-to-Engine Front Cover Bolt (3.5L)11 N.m98 lb in
Thermostat Bypass Pipe-to-Throttle Body Nut (3.5L)25 N.m18 lb ft
Thermostat Housing Bolt (2.4L)10 N.m89 lb in
Thermostat Housing Bolt/Stud (3.5L and 3.9L)25 N.m18 lb ft
Thermostat Housing Cover Bolt (2.4L)10 N.m89 lb in
Transmission Oil Cooler Pipe Attachment Nut7 N.m62 lb in
Upper Radiator Support Bracket Bolt10 N.m89 lb in
Water Pump Access Plate Bolt (2.4L)10 N.m89 lb in
Water Pump Bolt (2.4L, 3.5L and 3.9L)25 N.m18 lb in
Water Pump Pulley Bolt (3.5L and 3.9L)25 N.m18 lb ft
Water Pump Sprocket Bolt (2.4L)10 N.m89 lb in

Fastener Tightening Specifications

Scheme 1

Scheme 1: Engine Cooling Schematics

Scheme 2

Scheme 2

Scheme 3

Scheme 3: Cooling System Component Views
CalloutComponent Name
1Cooling Fan - Left
2Cooling Fan - Right

Scheme 4

Scheme 4
CalloutComponent Name
1Coolant Level Switch
2Battery
3Electronic Brake Control Module (EBCM)
4C101
5G103
6Fuse Block - Underhood
7Powertrain Control Module (PCM)
8Powertrain Control Module (PCM), C3
9Powertrain Control Module (PCM), C2
10Powertrain Control Module (PCM), C1

Scheme 5

Scheme 5: Coolant Level Switch
Connector Part Information OEM: 12052641 Service: 12102747 Description: 2-Way F Metri-Pack 150 Series Sealed (BK)

Cooling System Connector End Views

PinWire ColorCircuit No.Function
ABK350Ground
BL-GN1478Coolant Level Switch Signal

Coolant Level Switch

Scheme 6

Scheme 6: Cooling Fan - Left
Connector Part Information OEM: 12033769 Service: 12101917 Description: 2-Way F Metri-Pack 630 Series Sealed Pull-to-Seat (BK)

Cooling System Connector End Views

PinWire ColorCircuit No.Function
AWH504Cooling Fan Low Reference
BL-BU409Cooling Fan Motor Supply Voltage

Cooling Fan - Left