Vortec 1600 - Section 2 Engine Cooling

Industrial 1.6L Engine Cooling 2-1
Fastener Notice....................................................... 2-2
Specifications ......................................................... 2-3
Fastener Tightening Specifications ........................... 2-3
Engine Cooling System Specifications...................... 2-3
Diagnostic Information and Procedures ............... 2-4
Engine Overheating .................................................. 2-4
Loss of Coolant......................................................... 2-5
Thermostat Diagnosis............................................... 2-5
Engine Fails To Reach Normal Operating Temp........ 2-6
Coolant Concentration Testing .................................. 2-7
Cooling System Leak Testing.................................... 2-8
Repair Instructions ................................................. 2-9
Draining and Filling Cooling System ......................... 2-9
Cooling System Flushing .......................................... 2-9
Cooling System Scale Removal................................ 2-9
Radiator Hose Replacement................................... 2-10
Fuel Injection Coolant Hose Replacement .............. 2-10
Coolant Pipe and/or Hose Replacement ................. 2-11
Drive Belt Replacement .......................................... 2-12
Cooling Fan Replacement ...................................... 2-12
Fan Shroud Replacement ....................................... 2-13
Fan Guard Replacement ........................................ 2-14
Coolant Thermostat and/or Housing Replacement . 2-15
Water Pump Replacement...................................... 2-16
Drain Cock Replacement ........................................ 2-18
Radiator Replacement ............................................ 2-18
Description and Operation................................... 2-19
Cooling System Description.................................... 2-19
Radiator Assembly Description............................... 2-19
Pressure Cap Description....................................... 2-20
Water Pump Description ......................................... 2-21
Thermostat Description .......................................... 2-21
Special Tools and Equipment .............................. 2-21
Section 2
Engine Cooling