Question about 2007 Volvo V40

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The lights have stopped working on the heater controls on my V40. 2001 with auto A/C. Can i repair it or do I need to buy the complete unit.

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The lights are just small replaceable bulbs, so to repair just replace the bulbs. It will be much cheaper and it helps save the planet. Perhaps it would be best when buying the bulbs from the Volvo parts desk to ask about the best way of accessing the dead ones. It used to be that the knobs would pull off and the facia would be easy to remove. I confess that my detailed knowledge in this specific area only really applies to the older Volvos

Posted on Sep 02, 2010


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Posted on Jan 02, 2017


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Why the panel light ac/hear does not work. what could be the problem?

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From what you are describing it sounds as if the headlight switch has gone bad.  That switch controls not only the headlights but the tail lights and all dash lights.  Everything that IS working is connected to other switches not related to the headlight switch.  You can either buy a new one or get a used one from a junk yard or ebay.  Pay particular attention when getting a replacement as there are 3 different models which vary depending on options such as Auto mode and Foglights.   Replacement is easy.  Using a flat screwdriver carefully pry off the trim cover around the switch. The switch is held in with some screws.  Be careful disconnecting the wires so as not to break the locking tabs. The trim just pushes firmly back into place.

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The inside of my camry is really hot

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To disconnect the heater completely you have to locate the rubber hoses that carry the hot water from the engine into passenger compartment. There will be 2 hoses, one carrying the water in and one carrying it back into the engine after it has circulated through the heater. You can stop the flow in 2 ways, as follows:
1 Disconnect both the in and the out hoses from their respective manifolds, buy a piece of rubber hosing the same size from your friendly auto parts store with 2 hose clamps and fit it between the in and out manifolds. This will take your heater out of circuit completely.
2 Put a clamp on the "In" hose (this will be the hose connected to the engine at the front near the water pump). You can do this with a "C" clamp that you can buy at any hardware store. This will stop the water flowing throough the radiator.

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