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Audi Workshop Service and Repair Manuals

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Self supporting tyres (SST) with run-flat capability > < PAX tyres - assessing condition

A4 Mk3

Checking support ring
Checking support ring
As with tyres, the support ring does not always need to be renewed after driving with a flat tyre.
   
Renew the support ring if the following damage is discovered:
t  Broken parts or missing sections
  A44-10036
t  Tears in the running surface/separating walls
  A44-10037
t  Punctures and holes
  A44-10038
t  Blistering and discolouration due to overheating
 
Repairs on tyres
  Note
t  Run-flat tyres (PAX) must not be repaired using a tyre patch or similar.
t  Flat tyre sprays/foams must not be used with PAX tyres, as these products are not compatible with the gel in the tyre.
  A44-10039

Self supporting tyres (SST) with run-flat capability > < PAX tyres - assessing condition