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Push rod tensioner

Design

637_098

637_100

5-piece ﬂexible push rod made of

plastic "Snake" (5)

Guide tube/pressure chamber (3)

Belt retractor shaft as torsion bar

spring (6)

Gear (7)

Guide (8)

Piston (2) with:

• seal

• stopper

• spacer

Plugged electrical connection (1) with:

• igniter

• pyrotechnic propellant charge

Braking wedge

(4)

Piston (2) and push rod "Snake" (5)

The guide tube/pressure chamber (3), refer to Fig. 637_098,

accomodates the following:

• Plugged electrical connection with igniter and pyrotechnic

propellant charge (1)

• 5-piece ﬂexible push rod "Snake" (5) and "Snake" guide

• Pressure chamber (3)

• Braking wedge (4)

• Piston (2) (including seal, stopper and spacer)

Piston (2) with:

• seal

• stopper

• spacer

4 short parts of the "Snake" Main part of the "Snake"

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Audi Q7 User Manual

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