Just an update,
I have sorted a long term (2 years) HVAC issue.
There was a lack of proper heat coming from the dash. Oddly, it was ok from the rear vents (4 zone car).
I was preparing to flush the heater cores, but I checked the valves and pipes and they were fine. Great temp, clean flow of coolant.
I therefore checked the coding with VCDS and it had many errors.
A proper basic setting run after clearing the codes has actually mended the system. Perfect heat from all vents as required.
Result.
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04 A8 - 4.2 Sport
Indigo Leather Sports Seats - Sports wheel - Sports Air Suspension
Auto Boot - Double Glazing - AMI - Solar roof
TV - Bose - Voice Control - TPMS - AFS- TINT
Power Blind, Fingerprint - Light package (in and out)
Retrofits:
OEM Auto headlights & rain sensing wipers
OEM Bluetooth phone
Bluetooth Audio Streaming
Reverse Camera
OEM Aluminium Package
Auto boot close using remote/door button
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