Q7 Quattro V6-3.6L (BHK) (2007)
Suspension Strut / Shock Absorber: Procedures
Front Gas-Filled Strut, Venting and Emptying
Front gas-filled strut, venting and emptying
A - Venting through drill holes
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Clamp gas-filled strut vertically in vise, with piston ends facing downward.
CAUTION!
Wear protective eye wear while drilling.
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Drill a 3 mm diameter hole - arrow A - through outer strut tube.
Note:
^
Gas escapes when drilling.
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Continue drilling until tube inside is drilled through (approx. 25 mm deep).
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Drill a second hole, 6 mm diameter - arrow B -, through outer and inner strut tubes.
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Hold strut over oil collecting pan and move piston rod back and forth several times over entire range until no more oil escapes.
B - Open with pipe cutter
Special tools, testers and auxiliary items required
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Pipe cutter
CAUTION!
Wear protective eye wear when drilling or sawing.
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Drill a 3 mm diameter hole - arrow - through outer strut tube or saw through tube wall.
Note:
^
Gas escapes when drilling or sawing.
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Position a pipe cutter as shown in illustration and cut through outer pipe.
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Pull piston rod upward, hold inner tube in place with pliers and push it downward so that it remains in outer tube when piston rod is slowly raised.
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Remove piston rod from inner tube.
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Empty strut tube.