Q7 Quattro V6-3.6L (BHK) (2007)
Vacuum Brake Booster: Service and Repair
Brake Booster, Removing and Installing
Brake booster, removing and installing
Special tools, testers and auxiliary items required
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Brake filler bleeder unit VAS 5234
Removing
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Remove trim on drivers side.
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Remove brake light switch/brake pedal switch.
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Remove bracket for brake light switch.
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Disconnect brake pedal from brake booster.
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Remove support on mounting bracket through which pressure rod of brake booster runs.
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Remove plenum chamber cover.
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Remove engine compartment seal and cover strip in area of brake booster.
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Remove facing wall of plenum chamber.
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Disconnect connector off float warning indicator sensor.
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Remove Ground (GND) cable from ground point on body behind E-box, remove wiring harness from retainer behind brake booster and lay aside.
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Remove E-box from left plenum chamber from retainer and lay as far as possible aside.
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Place sufficient lint-free cloths in plenum chamber in area of brake master cylinder.
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Extract as much brake fluid as possible from brake fluid reservoir using brake filler bleeder unit VAS 5234 or extraction device upgrade kit
V.A.G. 1869/4.
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On vehicles with manual transmission, disconnect clutch master cylinder supply hose and seal with plug.