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

Engine Cooling System: Specifications Chevrolet Uplander I

Cooling System (Mechanical) 5 illustrations

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
A/C Condenser Tube Clip Screw6 N.m53 lb in
Coolant Heater50 N.m37 lb ft
Cooling Fan Shroud Bolts6 N.m53 lb in
Discharge Hose to Condenser Block Nut16 N.m12 lb ft
Engine Block Drain Plug22 N.m16 lb ft
Engine Mount Strut Bracket Bolt - Upper Radiator Support28 N.m21 lb ft
Engine Mount Strut Nut48 N.m35 lb ft
Evaporator Inlet Tube to Condenser Bolt16 N.m12 lb ft
Radiator Drain Cock2 N.m18 lb in
Radiator Lower Air Deflector Bolt20 N.m15 lb ft
Radiator to Condenser Bolt2.5 N.m22 lb in
Radiator Upper Mount Bolt10 N.m89 lb in
Thermostat Bypass Pipe Bolt11 N.m98 lb in
Thermostat Bypass Pipe Nut25 N.m18 lb ft
Thermostat Housing Bolt25 N.m18 lb ft
Water Pump Bolt10 N.m89 lb in
Water Pump Pulley Bolt25 N.m18 lb ft

Fastener Tightening Specifications

Scheme 1

Scheme 1: Engine Cooling Schematics

Scheme 2

Scheme 2: Cooling System Component Views
CalloutComponent Name
1Hood Ajar Switch (AP3)
2Inflatable Restraint Front End Sensor - Left
3Horn - Left
4Cooling Fan - Left
5Cooling Fan - Right
6Ambient Air Temperature Sensor (UH8 or UH9)
7Horn - Right
8Inflatable Restraint Front End Sensor - Right
9Hood Ajar Switch Connector (AP3)

Scheme 3

Scheme 3: Multifunction Switch - Overhead Console C1 (E58)
Connector Part Information OEM: 12041301 Service: 12102481 Description: 8-Way F Metri-Pack 280 Series (BK)
Terminal Part Information Terminal: 12034046/Tray 2 Core/Insulation Crimp: E/A Release Tool/Test Probe: 12094430/J-35616-4A

Cooling System Connector End Views

PinWire ColorCircuit No.Function
AGY8Instrument Panel Lamp Supply Voltage
BBK750Ground
CL-BU/BK2618Left Sliding Door Open/Close Switch Signal (E59)
DBK/WH2619Left Sliding Door Enable Switch Signal (E59)
ENot Used
FTN/WH1896Right Sliding Door Enable Switch Signal
GL-BU1894Right Sliding Door Open/Close Switch Signal
HNot Used

Multifunction Switch - Overhead Console C1 (E58)

Scheme 4

Scheme 4: Multifunction Switch - Overhead Console C2 (A20)
Connector Part Information OEM: 12047976 Service: 12102480 Description: 8-Way F Metri-Pack 280 Series (BU)
Terminal Part Information Terminal: 12034046/Tray 2 Core/Insulation Crimp: E/A Release Tool/Test Probe: 12094430/J-35616-4A

Cooling System Connector End Views

PinWire ColorCircuit No.Function
AGY8Instrument Panel Lamp Supply Voltage
BBK750Ground
CTN1018Power Window Motor Rear Vents Open Control
DBN1019Power Window Motor Rear Vents Close Control
EYE643Accessory Voltage
FGY2616Rear Parking Assist Disable Switch Signal
G-HNot Used

Multifunction Switch - Overhead Console C2 (A20)

Scheme 5

Scheme 5: Rear Quarter Window Actuator - Left (A20)
Connector Part Information OEM: 12052832 Service: 12101825 Description: 2-Way F Metri-Pack 150 Series (BK)
Terminal Part Information Terminal: 12047767/Tray 2 Core/Insulation Crimp: E/A Release Tool/Test Probe: 12094429/J-35616-2A

Cooling System Connector End Views

PinWire ColorCircuit No.Function
ABN1019Power Window Motor Rear Vents Close Control
BTN1018Power Window Motor Rear Vents Open Control

Rear Quarter Window Actuator - Left (A20)