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– Turn the engine at the belt shock absorber/pulley -arrow- with
a socket wrench.
– Check the Poly-V belt from below for:
♦ Tears in the lower section (internal fractures, section frac‐
tures).
♦ Layer separation (upper layer, cord strands).
♦ Fracture at the lower section.
♦ Unthreaded cord strands.
♦ Worn toothed sides (material wearing, unthreaded toothed
sides, toothed side hardening -glassy toothed sides-, surface
tears).
♦ Oil and grease residues.
Note
If faults are verified, the Poly-V belt must be replaced. This will
avoid failures and faults during operation. The Poly-V belt re‐
placement is a repair measure.
4.22
Constant velocity joint bellows - visual
inspection
Carry out work sequence as follows:
– Check the external joint bellows -arrow- and the internal joint
bellows (not seen in the illustration) for leaks and damage.
4.23
Gearbox - check the oil level and replen‐
ish if necessary
Special tools and workshop equipment required
♦ Multi-teeth socket SW 27 -3357-
FOX 2004 ➤
Maintenance - Edition 07.2010
66
4. Service descriptions