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Removing and installing coolant pipes (top left and bottom left) > < Coolant pipes - exploded view

A4 Mk1

Removing and installing coolant pipe (front)
Removing and installing coolant pipe (front)
Removing
l  Lock carrier must be in service position → Chapter.
–  Drain coolant → Chapter.
–  Remove toothed belt → Chapter.
–  Remove camshaft sprocket (right-side).
–  Remove intake manifold (front section) → Chapter.
   
–  Lift off centre section of rear toothed belt cover -2-.
–  Unscrew bolts -arrows- and detach rear left toothed belt cover -3- and rear right toothed belt cover -1-.
  A15-0262
–  Disconnect both coolant hoses -arrows-.
–  Remove bolts -1- and -2-.
–  Pull off coolant pipe towards the front.
Installing
Installation is carried out in the reverse order; note the following:
  Note
Renew seals and O-rings.
–  Clean and smoothen sealing surface for O-ring.
–  Lubricate O-ring with coolant and slide onto coolant pipe.
–  Slide coolant pipe (front) into coolant pipe (right-side) and into bore in cylinder head.
–  Install toothed belt (adjust valve timing) → Anchor.
–  Fill up with coolant → Anchor.
–  Dynamically check and adjust commencement of injection → Rep. Gr.23.
Tightening torques
  A19-0091
ComponentNm
Front coolant pipe to:Cylinder block22
 Cylinder head10
Toothed belt cover (rear) toCylinder head10
Injection pump10

   

Removing and installing coolant pipes (top left and bottom left) > < Coolant pipes - exploded view