AUDI A4 1999 B5 / 1.G APB Engine Cooling System Components
Page 31 of 34
19-29
Coolant pump, removing and installing
Notes:
Always replace seals and gaskets.
Cover toothed belt with a cloth to protect it from
coolant before removing coolant pump.
Removing
- Remove front bumper.
Repair Manual, Body Exterior, Repair Group
63
- Move lock carrier to service position.
Repair Manual, Body Exterior, Repair Group
50
- Remove ribbed belt Page 13
-1 .
- Remove toothed belt Page 13
-4 .
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11/21/2002 htt
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pair&id=AUDI.B5.GE05.19.1
Page 32 of 34
- Drain coolant Page 19
-19
.
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Page 33 of 34
19-30
- Remove following components before unbolting coolant pump:
1 - Tensioning roller for toothed belt: 20 Nm
2 - Idler wheel: 45 Nm
- Unbolt coolant pump from toothed belt guard -1- (2 nuts). Remove
securing bolts -2- (9 bolts) for coolant pump and remove coolant pump.
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Page 34 of 34
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Installing
Install in the opposite order to removing. When
installing, note the following points:
- Remove residues of sealant on sealing surfaces
of coolant pump and cylinder block.
- Clean sealing surfaces; ensure that they are free
of oil and grease.
- Fit new gasket on coolant pump flange.
- Insert coolant pump into cylinder block and tighten all 9 securing bolts -
2-.
- Secure rear toothed belt guard at coolant pump housing -1-.
Tightening torque: 10 Nm.
- Install toothed belt Page 13
-4 .
- Install ribbed belt Page 13
-1 .
- Install toothed belt guard.
- Fill cooling system Page 19
-19
.
Pa
ge 34 of 34 Coolin
g system com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE05.19.1