Q7 Quattro V6-3.6L (BHK) (2007)
‹› Center section of plenum chamber front wall - A - is secured to vehicle by bolts - B - and nuts - C -. A seal - D - is installed between plenum
chamber front wall and vehicle body.
‹› Nuts - C - are loosened only, not removed (slots are present on plenum chamber front wall).
‹› Depending on engine, various engine components must be removed so that nuts - C - can be loosened (e.g. air intake hoses and/or upper engine
cover).
‹› Depending on version of vehicle, various lines (electrical wires, fuel and vacuum lines, etc.) are secured to plenum chamber front wall - A -,
disengage them from plenum chamber front wall - A - if necessary.
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Mark arrangement of coolant hoses - A - and - B - to heating & A/C unit.
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Cover section of plenum chamber under connections of coolant hoses to heater core of heating & A/C unit with absorbent paper.
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Clamp off coolant hoses to heater core of heating & A/C unit (e.g. using hose clamps up to dia. 25 mm (3094)) and remove them.
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Release grommet - C - from plenum chamber rear wall and slide grommet - C - into passenger compartment.
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Insert one section each of hose - A - and - B - on to both connections to heater core.