911 Turbo AWD F6-3600cc 3.6L SOHC Twin Turbo (1997)
4. Remove vacuum hoses from the control boxes.
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Push a small screwdriver between the connection nipple and vacuum hose.
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Widen vacuum hose a little and spray in silicone spray at the same time.
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Lever off or remove vacuum hose with angled pliers.
5. Connect vacuum hose of test device.
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Connect angle pieces (shop made) and Tecalan lines (shop made) to the control boxes and connect with the pressure gauge.
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Produce overpressure of 0.5 bar with special tool 9160/1.
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Read off the pressure on the pressure gauge 9103/2.
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Have a second person read off the stroke of the push rods at the same time.
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The stroke of the push rod must amount to 4 ± 0.5 mm, adjust if necessary by rotating the adjusting nuts.
Turning clockwise - stroke smaller.
Turning anti-clockwise - stroke larger.