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Renewing valve stem oil seals with cylinder head installed > < Removing and installing camshafts

A4 Cabriolet Mk2

Removing and installing outer camshaft bearing caps
Removing and installing outer camshaft bearing caps
Special tools and workshop equipment required
t  Sealant → Parts catalogue
  Note
In the event of leakage in the area of the outer camshaft bearing caps, caps are to be removed and sealant applied.
Removing
–  Remove cylinder head cover: left-side → Chapter, right-side → Chapter.
–  Remove exhauster pump on cylinder head (left-side) → Fig..
–  Unscrew outer bearing caps.
   
Installing
–  Remove any traces of remaining sealant from cylinder head and camshaft bearing caps.
–  Clean contact surfaces between cylinder head and bearing caps; surfaces must be free from oil and grease.
–  Apply a small quantity of sealant to -hatched areas- of outer bearing cap at front left/rear right.
  A15-0384
–  Apply a small quantity of sealant to -hatched areas- of outer bearing cap at rear left/front right.
  Note
Sealant must not be allowed to come into contact with -grey-shaded areas- shown in illustration.
–  Fit outer bearing caps.
  Note
Renew seals for cap nuts.
–  Install exhauster pump on cylinder head (left-side) → Fig..
  A15-0385
–  Renew sealing cap (rear) on cylinder head (right-side).
–  Using a suitable drift, knock in new sealing cap (core plug) -arrow- until flush.
–  Install cylinder head cover: left-side → Chapter, right-side → Chapter.
Tightening torque
  A13-0116
ComponentNm
Camshaft bearing caps to cylinder head15 → Note

1)  Renew seals.
   

Renewing valve stem oil seals with cylinder head installed > < Removing and installing camshafts