Volkswagen Passat 1995 Official Factory Repair Manual page 3922

Seat belts, inspecting
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.BD01.69.3
Release mechanism, checking:
- Release seat belt by pressing button on belt
latch with finger pressure.
When belt is slack, locking tongue must spring
out of latch on its own.
Perform test at least 5 times. If belt tongue
fails even once to spring out of latch, replace
complete seat belt with latch.
CAUTION!
Never use lubricants to eliminate noise or
stiffness at belt latch buttons.
Belt guides and locking tongues, checking
Plastic covered guides show fine scoring after an
accident when belt was worn. Wear caused by
frequent belt use are smooth wear signs without
scoring.
- Inspect for deformation, breakage or cracks in
plastic.
If you find scoring or other damage, replace
complete seat belt and latch.
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12/7/2004