Q7 Quattro V8-4.2L (BAR) (2008)
CAUTION: Before handling belt tensioner units (e.g. disconnecting electrical connector), the person handling it must "discharge static
electricity". This can be done by touching door striker, for example.
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Unlock connector lock with a small screwdriver - 2 -.
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Remove connector - 1 - from belt tensioner - 3 -.
Procedure for all vehicles
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Remove belt relay from belt height adjuster.
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Remove belt roller/belt tensioner screw.
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Remove belt roller/belt tensioner.
Installing
To install, perform the steps used in removal in reverse order. Observe the following when doing so:
CAUTION: Follow safety precautions for working with pyrotechnic belt tensioners.
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Engage hook - arrow A - from belt roller/belt tensioner - 1 - in body cut-out - arrow B -.
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Tighten belt roller/belt tensioner screw to specified torque.
If three-point seat belt is being removed for accident repairs, replace screw.
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Install belt relay on belt height adjuster.
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If belt relay is being removed for accident repairs, replace screw.
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Belt relay must swing by itself in carrier direction after tightening screw.
Vehicles with pyrotechnic belt tensioners
CAUTION: Before handling belt tensioner units (e.g. disconnecting electrical connector), the person handling it must "discharge static
electricity". This can be done by touching door striker, for example.