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automatic heater control

Help, Advice, Owners' Discussion and DIY Tutorials on S40 and V40. In this forum you'll find S40/V40-specific owners asking and answering questions on maintenance, ownership, repairs, tutorials and almost every do-it-yourself thing you can do to save money owning these Volvos.

1996 - 2004 S40
1996 - 2004 V40
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pattech
Posts: 1
Joined: 29 September 2009
Year and Model: S40 2001
Location: virginia

automatic heater control

Post by pattech »

My automatic termperature control will not blow any warm air though the engine is up to temp. and no air is forced out of the drivers side floor. If it does blow warm air it comes out of the dash blower and then you can not change it back to cool air. How do you diagnose the automatic termperatrol system to determine if it is the control head?
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