duetto owner Posted May 18, 2009 Share Posted May 18, 2009 our autosleeper has blown air system which runs of fuel or mains and is very efficient but the drawback is at times it has a background ticking type noise and also a knocking noise. not too bad during the day with background noise but at night its like sleeping in a room with a loud dripping tap. I have been told it could need rubber bungs, its the ignition firer going all the time. the vehicle went for repairs today and they have insulated it and thats its normal noise. After any comments/advice. Link to comment Share on other sites More sharing options...
spospe Posted May 18, 2009 Share Posted May 18, 2009 We have the same model as you and do not find the noise obtrusive. The clicking of the fuel pump when running on diesel is certainly audible, but frankly we do not mind it at all and after a bit, do not even notice it. We find that running on electric is nosier as the fan speed is consistently high, unlike the rising and falling note when using diesel. Link to comment Share on other sites More sharing options...
duetto owner Posted May 18, 2009 Author Share Posted May 18, 2009 thanks for the feedback, one had one weekend away so far, so perhaps we may get used to it, was running off mains hook up and kept awake on/off for the three nights. The dealer has now put in some insulation so will wait to see how that works. had thought this noise was a fault rather than the norm. Link to comment Share on other sites More sharing options...
spospe Posted May 18, 2009 Share Posted May 18, 2009 Noise is a subjective issue, what I find OK may be unacceptable to you. I am basing my comments on the van that we use and its noise level, it is possible that your van could be noisier, or even defective. Best advice is to compare it with another Duetto if at all possibel. Link to comment Share on other sites More sharing options...
Guest Tracker Posted May 18, 2009 Share Posted May 18, 2009 The noise that you hear from diesel heating depends to a large degree on where it is located in relation to your ears when in bed and just maybe sleeping the other way round might help - if you see what I mean! The ticking is the fuel pump and they all do it - and it's nothing compared to the combustion roar when heard from outside the van. Some extra insulation might help but I have my doubts and there is not a lot you can do except make sure that the window and door rubber seals are sealing fully as a gap will let in a lot of noise - and wind and cold air too. One more thing - is it fully sealed to the van floor as missing sealant will also let noise in. Link to comment Share on other sites More sharing options...
colin Posted May 18, 2009 Share Posted May 18, 2009 I'm going to ask a silly question, why do you have heater running all night? Is the insulation on your van that bad? If on mains you could use a small oil filled rad, a bit more kit to carry but dead quite. Link to comment Share on other sites More sharing options...
duetto owner Posted May 18, 2009 Author Share Posted May 18, 2009 colin its has a thermostat and comes off and on during the night. the heater is under the seat which in turn becomes the bed at night, during the day it is barley noticeable due to background noise. But at night it is hard to ignore while trying to sleep. The noise of the fan is very light and not a problem just the dripping tap like noise. Link to comment Share on other sites More sharing options...
colin Posted May 18, 2009 Share Posted May 18, 2009 No I'm still not getting it, last thing I do before going to bed is switch heating off, van stays warm enough all night if I'm under a quilt. Link to comment Share on other sites More sharing options...
duetto owner Posted May 18, 2009 Author Share Posted May 18, 2009 looks like a warmer duvet will be needed, thank you to everyone who responded. another tip learned, learning so much here will have to put them together as a first timers guide Link to comment Share on other sites More sharing options...
Keithl Posted May 18, 2009 Share Posted May 18, 2009 Hi duetto owner, Is the fuel pump separate to the heater or is it an integral part? The pump for the Eberspacher on our Merc is mounted on the chassis rail just in front of the fuel tank and a long way away from the heater. If it is separate then it would be worth mounting on isolator rubbers, as you have had the heater mounted, to stop the transfer of noise. If integral then you will already have isolated it. Keith. Link to comment Share on other sites More sharing options...
duetto owner Posted May 19, 2009 Author Share Posted May 19, 2009 Keithl I am a fish out of water with anything technical like this. I do not know. Link to comment Share on other sites More sharing options...
duetto owner Posted June 30, 2009 Author Share Posted June 30, 2009 FIXED AT LAST Went to the eberspacher centre and they fixed it in 10 mins just needed a cable tie to stop it knocking the framework. The rubber bungs were in place but had little effect, neither did additional insulation. now silent running heating system. Link to comment Share on other sites More sharing options...
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