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Old 07-02-2015, 12:02 AM   #1
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THOR #908
Help me understand the gas spring on the main entrance door

I feel like this is a something I should know..... but

Mine does a great job of holding the door open, but it slams it open.

Do I have it wrong? it seems to me that it should open slowly, with this thing acting as a cushion.

A couple times I would swear that it functioned as I'm imagining, but then it just slams it open again when i double check it

I'm thinking of replacing it, but don't want to spend money on something that is just fine.....
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Old 07-02-2015, 12:06 AM   #2
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THOR #1469
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Originally Posted by blw2 View Post
I feel like this is a something I should know..... but

Mine does a great job of holding the door open, but it slams it open.

Do I have it wrong? it seems to me that it should open slowly, with this thing acting as a cushion.

A couple times I would swear that it functioned as I'm imagining, but then it just slams it open again when i double check it

I'm thinking of replacing it, but don't want to spend money on something that is just fine.....
Those cylinders are designed to open easier than closing. You do not want it slamming shut on someone's fingers or hard to open in an emergency.
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Old 07-02-2015, 12:09 AM   #3
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THOR #908
but are they supposed to push the door open... as in slam it open?
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Old 07-02-2015, 01:05 AM   #4
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THOR #1469
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but are they supposed to push the door open... as in slam it open?
Two coaches from two manufacturers and both opened in a manner that my wife considers excessive. If we do not hold the door when it opens then yes someone would consider it slamming open.

With that said, on neither coach did we have an issue with the door hitting things such as awning arms etc... when it opened.

If you are not comfortable with it see if the dealer is willing to get a lower rated cylinder and install it on the coach.
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Old 07-02-2015, 02:56 AM   #5
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Odd... I don't have such a gas strut on my door. Never knew one was needed.
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Old 07-02-2015, 11:57 AM   #6
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I have a Thor Ace and my door has a strut which opens door smoothly. Try checking doors on other coaches at a dealer and compare with yours.
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Old 07-02-2015, 01:00 PM   #7
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Originally Posted by blw2 View Post
but are they supposed to push the door open... as in slam it open?
One additional note, if you have the strut replaced with a lower rated one, you face the chance of the door bouncing around in the wind during camping. Our camping time is generally all seasons except summer and during the spring and fall we like to have the windows and door open. We have not had any issues with the door bouncing even when the wind was high enough to require retracting the awning.

The flip side of that is when 9on my prior coach) the wind was blowing against the inside surface of the door while opening, it did cause the door handle to be forced out of my wife's hand once or twice.
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Old 07-02-2015, 03:25 PM   #8
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Odd... I don't have such a gas strut on my door. Never knew one was needed.
Mine is under the door, barely visible
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Old 07-02-2015, 03:29 PM   #9
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Originally Posted by Ozzie322 View Post
I have a Thor Ace and my door has a strut which opens door smoothly. Try checking doors on other coaches at a dealer and compare with yours.
OK, yours is the only response so far that indicates there should be some dampening effect in the opening action.

Since I can't find a source online (of an exact match) I think I'll make a run down to camping world to see what they stock.....

As I have researched it further, it seems that some gas springs have a damping effect designed in, and some may not.
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Old 07-02-2015, 03:38 PM   #10
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Originally Posted by blw2 View Post
OK, yours is the only response so far that indicates there should be some dampening effect in the opening action.

Since I can't find a source online (of an exact match) I think I'll make a run down to camping world to see what they stock.....

As I have researched it further, it seems that some gas springs have a damping effect designed in, and some may not.
You may have better luck at your local auto parts store. Those gas struts are the same ones used in various auto applications such as hoods and trunks as well as the lift gates on SUVs.

The strut should have a lift rating in relationship to pounds supported.
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Old 07-02-2015, 04:45 PM   #11
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THOR #908
yes, good point... except I have yet to determine if there is a difference, or how to tell.... as in some give a dampening effect while others are just direct open force.

The one on my door is rated at 20# force for what its worth....
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Old 07-02-2015, 04:48 PM   #12
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One additional note, if you have the strut replaced with a lower rated one, you face the chance of the door bouncing around in the wind during camping.....
The gas strut on my door appears to be properly rated. It will open the door on it's own pressure if you don't keep a hand on the door.

However, when it's fully extended, there is enough play in the ball-joint mounts and the strut itself to allow the door to be moved back and forth by the wind. I have checked the new models, and they have just as much play as mine, no difference.

It's not just limited to the Thor doors, but also the Winnebago, and other brands they had on their lot. I noticed this when McMahon's RV was still in business in Westminster, CA. It's a dealership located about four miles inland from the Pacific Ocean, but it still gets the nice afternoon ocean breeze. ALL the motorhomes with the doors open were flapping in the wind on their gas struts when I went shopping. And, you could hear many of them in unison banging gently, (about 1/8" to 1/2" of play), back and forth with the breeze.
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Old 07-02-2015, 06:47 PM   #13
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THOR #1469
One other way that I look at this is maybe I need to hold the door when it opens because that gas strut has a little too much pressure, however, and I hope it never happens, I feel confident that if my catch ever winds up laying on the driver's side that strut will hold the door open when someone is climbing out.

Bottom line is that everyone must make their own decisions as to what is important to them.
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Old 07-02-2015, 07:36 PM   #14
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THOR #908
Dropped into CW today at lunch
They had an "open house" set up in the parking lot. A few used units, class c, a cou[ple 5th wheels, a bumper pull TT, and an A
one had a strut mounted above the door
the rest had nothing

In the store, the closest thing they had i the length I needed was a 15# (the factory one is 20#)
When released from a compressed position, it slowly extends, nice and easy. Not like mine at all.
So.... I bought it. I'm figuring 5# isn't going to make too much difference.....
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Old 07-03-2015, 04:42 PM   #15
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Gas strut on door.

My 2016 Vegas 24.1 had the gas strut come apart just after getting the Vegas before any trips! The tech fixing put lock tite on all threads and it is perfect. We just hold door until almost open fully and all is well. It could hit awning frame or part of the coach if the strut was not there. The door closes really well and I do not think the strut does anything when we are closing the door. It works as designed and changing function would not make mine work better!
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Old 08-07-2017, 02:24 AM   #16
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THOR #4532
gas strut fitting

Hi

Does anyone have an image of the gas strut fastening at the bottom of the entry door. Mine is missing and I would like to see what should be there.

Terryo
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Old 08-07-2017, 02:36 AM   #17
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Hi Does anyone have an image of the gas strut fastening at the bottom of the entry door. Mine is missing and I would like to see what should be there. Terryo


Should just be a small hole near the hinge. The strut snaps over a special bolt that goes down through that hole.
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Old 08-07-2017, 03:18 AM   #18
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here's the only picture I have of ours.... it's looking up from the ground
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Old 08-07-2017, 03:37 AM   #19
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THOR #4532
gas strut fitting

Thanks

It's the fitting the strut attaches to that is under the door that I am interested in. sorry I didn't make that clear.
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