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02-20-2018, 05:38 PM
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#1
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Senior Member
Brand: Thor Motor Coach
Model: challenger 37YT
State: Michigan
Posts: 247
THOR #6874
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What now ???
I have a 2017 Challenger 37YT.
I went out to get the fire extinguisher for the recall and noticed antifreeze coming out from under the bed running down the center of the coach, it also looks like the water dispenser or ice maker ran some down the fridge.
Motorhome has been stored inside since the dealer winterized it.
I called the dealer because at the end of the month, the one yr warranty is expired.
Any ideas what to expect or what the cause could be ?
Can’t wait for the bugs to get worked out so I can stop worrying what’s going to happen next.
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02-20-2018, 06:41 PM
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#2
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Senior Member
Brand: Thor Motor Coach
Model: challenger 37YT
State: Michigan
Posts: 247
THOR #6874
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Service manager called back and said they are working with Thor to find out why this is happening, it’s happening a lot I guess. He said it’s from the PEX tubing expanding and contracting so much in extreme weather. He said every time they explore the problem, they can’t find a leak.
I guess maybe they should blow out the lines with air after adding antifreeze. I know I will be.
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02-20-2018, 09:27 PM
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#3
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Senior Member
Brand: Thor Motor Coach
Model: Challenger 37TB
State: Kentucky
Posts: 1,032
THOR #1020
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Quote:
Originally Posted by rick kirby
Service manager called back and said they are working with Thor to find out why this is happening, it’s happening a lot I guess. He said it’s from the PEX tubing expanding and contracting so much in extreme weather. He said every time they explore the problem, they can’t find a leak.
I guess maybe they should blow out the lines with air after adding antifreeze. I know I will be.
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Rick- I don't doubt your dealer's veracity but I'd give Thor Technical support a call. If your coach has been stored inside and was winterized properly, I cannot understand the PEX explanation. I will say that if you use air to blow out your water lines, you should make sure commodes are held open also to avoid blowing seals at commode.
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US Army Retired - Loving The Road Trip
Challenger 37TB
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02-20-2018, 10:06 PM
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#4
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Senior Member
Brand: Thor Motor Coach
Model: Hurricane 32A
State: Florida
Posts: 1,873
THOR #2829
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Quote:
Originally Posted by bigben
R... I will say that if you use air to blow out your water lines, you should make sure commodes are held open also to avoid blowing seals at commode.
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The air should be regulated to no more than normal water pressure... Shouldn't be an issue with blowing seals anywhere in that case.
I set my regulator in the 45-50psi range when blowing out lines.
Older RV's should be set lower.
__________________
Greg
Not yet retired...
Florida (Michigan transplant)
2014 Hurricane 32A
2000 Infinity (previous)
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02-20-2018, 10:42 PM
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#5
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Senior Member
Brand: Thor Motor Coach
Model: challenger 37YT
State: Michigan
Posts: 247
THOR #6874
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Thanks guys. Will call and will remember regulator settings.
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02-21-2018, 01:58 AM
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#6
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Senior Member
Brand: Thor Motor Coach
Model: Challenger 37TB
State: Kentucky
Posts: 1,032
THOR #1020
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Yep - forgot the setting the pressure regulator to 40PSI. I still hold open the commodes to prevent any seal issues..
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US Army Retired - Loving The Road Trip
Challenger 37TB
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02-21-2018, 02:34 PM
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#7
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Senior Member
Brand: Thor Motor Coach
Model: challenger 37YT
State: Michigan
Posts: 247
THOR #6874
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Called Thor tech support. He said there isn’t any water lines running under the bed. Well geez, I have a bed that bleeds antifreeze.
The adventure with this coach continues.
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02-21-2018, 02:41 PM
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#8
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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That Fridge is about as close to your bedroom as it can get.
Ir's very possible that the water is just running laterally, and your bed is where you're finding it.
Good luck with getting a handle on this situation!
__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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02-21-2018, 03:26 PM
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#9
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Senior Member
Brand: Thor Motor Coach
Model: challenger 37YT
State: Michigan
Posts: 247
THOR #6874
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What now ???
I was walking around the outside, you know, wondering what the hell i have done, and noticed the hot water heater is located to the rear of the coach, under the bed ?I drained all the low point drains. Now I wait until it’s warm enough to pull outside. Can’t open slide because I have a car stored next to it.
Time will tell.
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02-21-2018, 07:08 PM
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#10
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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Good luck!
__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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02-21-2018, 09:23 PM
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#11
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Senior Member
Brand: Redwood
Model: 36FB
State: Arizona
Posts: 1,766
THOR #3610
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Quote:
Originally Posted by rick kirby
I was walking around the outside, you know, wondering what the hell i have done, and noticed the hot water heater is located to the rear of the coach, under the bed ?I drained all the low point drains. Now I wait until it’s warm enough to pull outside. Can’t open slide because I have a car stored next to it.
Time will tell.
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So that tells me your dealer didn't do a damn thing! Fairly certain my water heater has"water lines" running to it, yet after they checked yours there's "no water lines under the bed"???
__________________
Fulltimed 10+ years
Sold '13 Thor Redwood 36 FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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02-21-2018, 09:25 PM
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#12
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Senior Member
Brand: Redwood
Model: 36FB
State: Arizona
Posts: 1,766
THOR #3610
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Quote:
Originally Posted by rick kirby
I was walking around the outside, you know, wondering what the hell i have done, and noticed the hot water heater is located to the rear of the coach, under the bed ?I drained all the low point drains. Now I wait until it’s warm enough to pull outside. Can’t open slide because I have a car stored next to it.
Time will tell.
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So that tells me your dealer didn't do a damn thing! Fairly certain my water heater has"water lines" running to it, yet after they checked yours there's "no water lines under the bed"???
Find another dealer, maybe one that can recognize a water line, water heater, or underneath the bed.
__________________
Fulltimed 10+ years
Sold '13 Thor Redwood 36 FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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02-21-2018, 09:36 PM
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#13
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Senior Member
Brand: Thor Motor Coach
Model: challenger 37YT
State: Michigan
Posts: 247
THOR #6874
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I didn’t have the coach in recently, while they had it in November I had them winterize it. The leak started almost 3 months later, they haven’t had a chance to check it out. He did say they had some new ones on the lot that did the same thing and when they took them in, couldn’t find any leaks under water pressure.
Beats me b
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