Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI1998A8 SEDAN (4D2) V8-3.7L (AEW)REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGHEATER CONTROL VALVELOCATIONSLEFT
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)
Left
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)SECTION Left
Component Location View : J126, N175, N176:
Component View
N175 Left Heat Regulating Valve
^ In plenum, to left of A/C housing
^ To rear of -N176-
^ Component of coolant pump -V50-
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.