engine AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components A4 1997 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/961/w960_961-0.png AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components

Page 1 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-1
 
     
Cooling system components, 
removing and installing 
     
WARNING! 
     
Hot steam can escape from the expansion 
tank when the filler cap is opened. Cover the 
filler cap with a cloth

Page 3 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-2
      
Cooling system components (on body), 
removing and installing
 
     
Notes:  
     
Parts of cooling system on engine   Page 19
-
8 . 
     
Diagram of coolant hose connections   Page 19

Page 9 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-8
 
  
Cooling system components (on engine, 
front), removing and installing
 
1 - 
Connection 
For thermostat
2 - 
O-ring Always replace
3 - 
Thermostat Checking: heat the thermostat in waterStar

Page 14 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-13
 
  
Cooling system components (on engine, 
rear), removing and installing
 
1 - 
To front water hose 
2 - 
Front coolant line 
Diagram of coolant hose connections   
Page 19
-17
 
3 - 
Bleeder

Page 15 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-14
 
  
 Repair Manual, 2.7 Liter V6 5V BiTurbo Fuel 
Injection & Ignition, Engine Code(s): APB, Repair Group 01
    7 - 
Right coolant line From turbocharger to rear coolant line
8 - 
Banjo bolt T

Page 16 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-15
 
  
13 - 
Bolt 
Tightening torque: 10 Nm
14 - 
Right coolant line From engine block to turbocharger
15 - 
Banjo bolt Tightening torque: 35 Nm
16 - 
Banjo bolt Tightening torque: 35 Nm
17 - 
Rig

Page 18 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-17
 
  
Coolant hose connections, diagram
 
1 - 
Bottom coolant hose 
From radiator to engine
2 - 
Cylinder head/ cylinder block 
3 - 
Right turbocharger 
4 - 
Auxiliary water pump 
5 - 
Heat excha

Page 20 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-19
      
Cooling system, draining and filling
 
     
Draining  
     
WARNING! 
     
Hot steam can escape from the expansion 
tank when the filler cap is opened. Cover the 
filler cap with a clo

Page 21 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-20
 
    
Note:  
Observe disposal regulations for coolant. 
Filling  
Notes:  -  Drain coolant from engine at drain screw -arrow-. 
Use only coolant additive G 12 - meeting specification VW 774 D.

Page 22 of 34

AUDI A4 1997 B5 / 1.G APB Engine Cooling System Components 19-21
      
G 12 and coolant additives complying with 
specification "VW 774 D" prevent frost and 
corrosion damage, scaling and also raise the 
boiling point of the coolant. For this reason the 
sys
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