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Old 08-20-2017, 01:13 AM   #1
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Brand: Thor Motor Coach
Model: Vegas 24.1
State: Oregon
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THOR #4469
Clicking in Engine when everything OFF

We noticed after our last adventure out that we now have an odd "Clicking" noise coming from the engine. I have to say, it may have been happening before, but we're just noticing it now.

This noise happens when everything is in the OFF positions. i.e. engine off, USE/Store button in Store position, LP Gas off, etc. It occurs about 2 to 3 minutes apart and sounds like it's coming from the engine area.

Any ideas, besides taking it in to get it checked?

TIA...
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Old 08-20-2017, 11:04 AM   #2
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Are you plugged into shore power?

My only thought is the BIRD. The relay that connects or disconnects the chassis battery system with the house battery system. It has a time delay and a little controller to connect or disconnect based on charge state.

I really wouldn't think the thing would work with the store button engaged, but I'm not really certain how they wire that....

If not plugged in and it still happens......
either engine cooling noises?
or some kind of animal or insect?
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Old 08-20-2017, 02:12 PM   #3
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THOR #7035
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Originally Posted by blw2 View Post
Are you plugged into shore power?

My only thought is the BIRD. The relay that connects or disconnects the chassis battery system with the house battery system. It has a time delay and a little controller to connect or disconnect based on charge state.

I really wouldn't think the thing would work with the store button engaged, but I'm not really certain how they wire that....

If not plugged in and it still happens......
either engine cooling noises?
or some kind of animal or insect?
I think you are right about the BIRD but wrong about the STORE switch if they are plugged in to shore power, which they did not say, the STORE switch would have no effect on the BIRD trying to charge the chassis battery. If they are on shore power, the STORE switch should be in USE.
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Old 08-20-2017, 05:09 PM   #4
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THOR #4469
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Originally Posted by Tfryman View Post
I think you are right about the BIRD but wrong about the STORE switch if they are plugged in to shore power, which they did not say, the STORE switch would have no effect on the BIRD trying to charge the chassis battery. If they are on shore power, the STORE switch should be in USE.
We are not connected to Shore Power and the USE/STORE button is in the STORE position.

In this state, the chassis battery is trying to charge the house batteries? We don't connect to Shore Power consistently, we connect when we see the house batteries getting low. Is this correct?

Thanks for the help.

Kathleen
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Old 08-20-2017, 05:49 PM   #5
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THOR #7035
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Originally Posted by RetiredRoadies View Post
We are not connected to Shore Power and the USE/STORE button is in the STORE position.

In this state, the chassis battery is trying to charge the house batteries? We don't connect to Shore Power consistently, we connect when we see the house batteries getting low. Is this correct?

Thanks for the help.

Kathleen
No, with no "charger" active there is not enough voltage on either end to activate the cross-connect relay. Must be something else.

How long does it click for? Does it stop after awhile? Could it be temperature related?
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Old 08-20-2017, 05:50 PM   #6
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THOR #7863
Does it occur shortly after shutting off the engine? My F-150 and my wife's Expedition both make noises as the engine cools down. It sounds like clicks. It only lasts for a few minutes, I'd say no more than 15 or so at most.
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Old 08-20-2017, 06:31 PM   #7
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We've been home from our last trip about 3 weeks now and it hasn't stopped. It clicks once, about every 2 to 3 minutes. It doesn't sound like when you shut off a hot engine, which I equate to ticking and crackling noises. This sounds like something is trying to turn off or on. I wonder if I can record it and post it here...I'll try.

Monday we'll call the dealer and inquire with them.
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