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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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Blower not WorkingViews : 3605 Replies : 12Users Viewing This Thread : |
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Aug 5th, 2009, 14:47 | #1 |
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Blower not Working
Hi guys,
I've got a V40 SE, 2002. A few weeks ago the cabin fan went onto max speed and could not be turned of no matter where the speed control was turned to. The next time I started the engine the fan wouldn't come on at all. Every few days or so the fan works when I turn the engine on but stops if the speed is changed. Went to the dealer today and they said the whole climate control unit needs replaced, quoting £613 :S Any tips? Thanks, Mike |
Aug 5th, 2009, 17:28 | #2 |
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resistor
check the resister located at the bottom of the heater blower, it is common for them to fail. do a search "resister" and you will see the procedure for repairing it.
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The Following User Says Thank You to 4 forty For This Useful Post: |
Aug 5th, 2009, 20:44 | #3 |
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Cheers I've looked through tens of threads but can't actually find the resister in my car. Do you have any tips for locating it? Also, do you know where I can get one online?
Thanks! |
Aug 6th, 2009, 11:08 | #4 |
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Ah, cancel that, I've found the resistor pack that looks like this:
But how can I test it? £30 for a new one and don't want to get it if the current one is ok! I disconnected the block with 3 wires and the fan still doesn't work at all. Some threads suggested it would work on setting 5 when disconnected? Last edited by mjpaton; Aug 6th, 2009 at 11:50. |
Aug 6th, 2009, 23:27 | #5 |
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OK, I'm going to replace the transistor, but how do I tell which way around it is meant to sit? :S
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Aug 12th, 2009, 16:53 | #6 |
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Problem fixed-right on target
You guys are awesome. The resistor pack was the problem. The parts were pretty expensive- about $100 total but doing it myself was better than paying some knuckle head 200-300 dollars to turn two screws. Oh, and to those who may be researching this problem. CHANGE YOUR CABIN FILTER. I pulled mine out, probably for the first time and it was full of leaves, dirt, etc. The same goes for the old resistor pack.
Thanks, Hoov 2003 s40 1993 940 1986 740 wagon RIP |
Aug 16th, 2009, 17:52 | #7 |
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Cheaper fix.
Hello,
Just had exactly the same problem myself but after a bit of digging found out the following. Rather than buy a new unit get the resistor part number 2n3055 £1.98 at Maplin in the UK. Radio Shack also do one. Take out the part as listed above, if however you do not fancy drilling a hole, the metal bar underneath the glove box has a lip on it that can be straightened with pliers to allow easier access to the top screw. Also if you wedge a flat bladed screw driver between the lip and the panel this will enable you to get the Phillips screwdriver up a lot easier. If you look to your right, you will see the cabin filter housing, unclip remove filter and give it a clean since you have it to bits anyway. To remove the resistor undo the 2 bolts and prise off gently, watch the grease. Remove the 2 wires, they are just push fit. Replace the 2 bolts Reconnect the wires ensuring a good connection and test, mine took an agonising 10 seconds to work. Replace all parts Bend the lip back in to place. Replace the Glove box. Go for a drive to test, to allow Air Con chance to get up to operating conditions. Last edited by AndyS40; Aug 16th, 2009 at 18:28. |
Jun 13th, 2016, 19:11 | #8 | |
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Quote:
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Jun 13th, 2016, 20:50 | #9 |
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A seven year thread revival must be a record. AndyS40 hasn't been on the site for 18months, so I doubt he is going to answer the question any time soon.
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2001 V40 2.0lt Sport Lux - Daily Driver. 178k miles. 2003 C70 2.4 GT Convertible - Garage Queen. 67k miles. http://www.neptuno6benagil.com |
Jun 15th, 2016, 17:54 | #10 |
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Have a look at this thread
http://www.volvoforums.org.uk/showthread.php?t=206986 The transistor is easy to replace if you have a soldering iron It is an MJ802G which is available from farnell http://uk.farnell.com/on-semiconduct...90v/dp/2535622 and others or you can get the complete unit from various places. |
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