JonS Posted October 3, 2009 Posted October 3, 2009 Recently my heater knob has been hard to turn, on the way home last night it was completely stuck, couldn't budge it at all. I'd read a long time ago that travelling at 60ish makes it easier to turn, but as I was on the motorway I was doing this and it still wouldn't move. It eventually moved it round to hot but it then stuck there and would only move a bit before recoiling back to where it was. Also, the heater didn't seem to be producing hot air. Any ideas on how to fix it, or what the problem may be? Thanks.
Martin R Posted October 3, 2009 Posted October 3, 2009 Who,s Heather ? This may keep you quiet for a bit. http://wiki.seloc.org/a/Heater
jimbo07g41 Posted October 3, 2009 Posted October 3, 2009 As Martin says. Sounds like the actuator motor, which tends to fill with water over time. I would do other upgrades while you have the clam off otherwise you will end up possibly having to take it off again shortly afterwards. upgrades to consider Upgraded resistor pack Actuator motor splash guard Alloy Radiator
JonS Posted October 3, 2009 Author Posted October 3, 2009 Who,s Heather ? This may keep you quiet for a bit. http://wiki.seloc.org/a/Heater Typo fixed I really hope its not a clam off job! Really not in a position to be doing that! I'll try the lubrication of the vent tomorrow and see what happens. Thanks.
Castrol Posted October 4, 2009 Posted October 4, 2009 Jon, Hope you are well? This happens on mine occasionally. The bar connected to the heat cable that controls the heat into the matrix catches on something (can't remembar what) and won't move past 50% on the dial. Open the front inspection hatches (offside iirc) and have a look in there and you will see what it has caught on. Regards, Matt.
jimbo07g41 Posted October 4, 2009 Posted October 4, 2009 How old is the s2? I take it we are talking an early one with the push rods? In which case ignore me...sorry.
Deleted_User Posted October 5, 2009 Posted October 5, 2009 Mine used to do it all the time Jon, Simple solution which worked for me everytime. Find a motorway / dual carriage way, whilst travelling at speed give the knod a waggle. Mine used to get stuck at around the 11 o clock position, I found twisting it back and forth it would eventually move.
JonS Posted October 9, 2009 Author Posted October 9, 2009 Hi Scott, I remember you posting that, but that hasnt worked. Jimbo, yeah, I'm a 51 plate S2 so I'll ignore you I didnt get chance to look at it last weekend cause of the weather. Will try and look this Sunday. I have now found it is still emitting heat, but it seems to be just slightly warm air, suggesting its stuck around 1'o'clock. I'll have to see what I can see. Thanks.
daves2111s Posted October 12, 2009 Posted October 12, 2009 My heater has just started only emmitting luke warm air too About what you normally get on about one or two. Interested to find out what it might be.
JonS Posted October 12, 2009 Author Posted October 12, 2009 Hi Dave, I have just uploaded a photo I took on sunday. It seems the temperature flap lever is sticking. I am able to turn it to full either way, which now seems to be beyond max hot on the dial down to just into the cold, so the alignment may have moved whilst i've been wiggling it. I sprayed some 3in1 on it as my WD40 was in Chichester (!) and gave it a good waggle on the flap. However even when I used the dial inside the car to turn the temp which it did, it only moved back to cold and then got stuck again trying to move back it to hot. Service Manual: I think I need to take the flap lever apart give it a good clean (as it is pretty mucky) and re-assemble it. I think it might be too many miles in the rain and spray that has just clogged it up. Before I left for Chichester on Sunday evening I moved the flap to as hot I could move it to see if it heated up. As it happens, it is still producing heat. The two pipes exiting the heater unit (labelled in the photo) were very hot and eventually warm air came through the system, but still not roasting hot as I'd expect it to. If I remove the flap lever on top is anything likely to fall out inside the box as I REALLY dont want to have to remove the clam. Have a look at this on your car Dave, let me know what yours is like.
stockhome Posted October 13, 2009 Posted October 13, 2009 Jon your a better man than i, mine has been like that for years if you find a solution let me know
Goders-Elise Posted October 13, 2009 Posted October 13, 2009 I have this problem on mine too so if you find a fix let us know.
jimbo07g41 Posted October 13, 2009 Posted October 13, 2009 Jon it looks like someone has put a heater in from a 70's Lotus. When I use to have motorbikes with a manual cable clutch you had to oil the cable now and then. I imagine its the same with this cable. There will be an inner and an outer. Due to corrosion the inner will eventualy get a bit sticky. The mechanism looks like it could also be the problem as you suggest. Give it a good clean and grease it. I would disconnect the cable at the heater matrix end and then operate. It should operate smoothly. On a bike you use to put a bag round the top of the cable and secure the bottom round the cable with elastic bands and then fill with oil. You then left it for sometime to let the oil work its way down the cable. Not sure what the access is like to the cable at the dashboard end?
JonS Posted October 13, 2009 Author Posted October 13, 2009 Jon your a better man than i, mine has been like that for years if you find a solution let me know I have this problem on mine too so if you find a fix let us know. lol Has no-one tried to fix this before then? "they all do that sir!" Thanks Jimbo. , I'm not going to touch it until I'm back in Kiddy as I'll need the heat on the way home on Friday night Access to the lever is fairly restricted because of the ali pipe in the top of the photo. I had to get to it from the passenger side panel access. I'll see if I can take it apart and clean it out. More to follow
stockhome Posted October 13, 2009 Posted October 13, 2009 lolHas no-one tried to fix this before then? "they all do that sir!" Thanks Jimbo. , I'm not going to touch it until I'm back in Kiddy as I'll need the heat on the way home on Friday night Access to the lever is fairly restricted because of the ali pipe in the top of the photo. I had to get to it from the passenger side panel access. I'll see if I can take it apart and clean it out. More to follow I have done exactly what you have done so far Jon and thought TADTS I do not really drive it much in the winter so its not that big of a problem for me
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