Ribbed Belt, Checking Condition

Perform The Following Procedure: 

-- Remove the engine cover, if necessary.

-- Check for example the ribbed belt -1- for:

Fig 1: Identifying Ribbed Belt(s) -1-

Courtesy of AUDI OF AMERICA, LLC

• Sub-surface cracks (cracks, core ruptures, cross sectional breaks)
• Separation (cover layer, belt cords)
• Breaks at lower layer
• Fraying of cords
• Wear at flanks (material wear, frayed flanks, hardening or glazing of flanks, surface cracks)
• Oil or grease contamination

-- Install the engine cover.