Home » Public Forums » GMCnet » Power Level II Valves leaking
Power Level II Valves leaking [message #318591] |
Tue, 06 June 2017 18:12 |
Carl S.
Messages: 4186 Registered: January 2009 Location: Tucson, AZ.
Karma: 13
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My J.R. Slaten Power Level II air valves are leaking at the stem, or at least one of them is. I can actually feel air coming out of it, even though it is a slow leak. Before I investigate the leak, I just thought I'd ask if there is a nut at the stem, with some sort of packing in it, that can be tightened?
The rest of the air system is pretty tight, but I probably have a few other small leaks that should be easy to track down and fix. If I isolate the air bags, the coach will stay up indefinitely, but if I leave the shut offs open, it will sag in a few days. I'm pretty sure, at this point, the air is mostly leaking out of the valves.
Thanks,
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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Re: Power Level II Valves leaking [message #318595 is a reply to message #318591] |
Tue, 06 June 2017 18:50 |
GMC Cruse
Messages: 606 Registered: June 2009 Location: SE Michigan
Karma: 3
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Carl S. wrote on Tue, 06 June 2017 19:12My J.R. Slaten Power Level II air valves are leaking at the stem, or at least one of them is. I can actually feel air coming out of it, even though it is a slow leak. Before I investigate the leak, I just thought I'd ask if there is a nut at the stem, with some sort of packing in it, that can be tightened?
The rest of the air system is pretty tight, but I probably have a few other small leaks that should be easy to track down and fix. If I isolate the air bags, the coach will stay up indefinitely, but if I leave the shut offs open, it will sag in a few days. I'm pretty sure, at this point, the air is mostly leaking out of the valves.
Thanks,
See here:
https://www.swagelok.com/downloads/webcatalogs/en/ms-02-331.pdf
Mike K.
'75 PB
Southeast Michigan
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Re: Power Level II Valves leaking [message #318603 is a reply to message #318595] |
Tue, 06 June 2017 20:18 |
Carl S.
Messages: 4186 Registered: January 2009 Location: Tucson, AZ.
Karma: 13
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Senior Member |
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Thanks Mike. That's good information. It should be a big help. I don't think I got the "service instructions" with the valves, but I'll take a second look through my old paperwork.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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Re: Power Level II Valves leaking [message #318611 is a reply to message #318603] |
Tue, 06 June 2017 21:42 |
Carl S.
Messages: 4186 Registered: January 2009 Location: Tucson, AZ.
Karma: 13
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Okay, I pulled the valve assembly out of the dash, took the handles off of them and was able to tighten up the 'packing nuts'. The 'nuts' need a spanner wrench to tighten them, which I didn't have, but I was able to get a snap ring pliers in the holes and tighten them a partial turn. That took care of that leak.
Next issue is that several of the black supply lines on the backs of the valves are leaking. These are the ones that came installed on the valves with the quick disconnect fittings from the right valve to the left. I guess I'll wait for the pressure to bleed off and try to take them apart to see if I can get them sealed. Any other suggestions?
Thanks again,
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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Re: [GMCnet] Power Level II Valves leaking [message #318618 is a reply to message #318595] |
Wed, 07 June 2017 00:14 |
jimk
Messages: 6734 Registered: July 2006 Location: Belmont, CA
Karma: 9
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Senior Member |
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Mike, call me so I can send you a new one N/C.
I don't care where you bought it.
On Tue, Jun 6, 2017 at 4:50 PM, Mike wrote:
> Carl S. wrote on Tue, 06 June 2017 19:12
>> My J.R. Slaten Power Level II air valves are leaking at the stem, or at
> least one of them is. I can actually feel air coming out of it, even
>> though it is a slow leak. Before I investigate the leak, I just thought
> I'd ask if there is a nut at the stem, with some sort of packing in it,
>> that can be tightened?
>>
>> The rest of the air system is pretty tight, but I probably have a few
> other small leaks that should be easy to track down and fix. If I isolate
>> the air bags, the coach will stay up indefinitely, but if I leave the
> shut offs open, it will sag in a few days. I'm pretty sure, at this point,
>> the air is mostly leaking out of the valves.
>>
>> Thanks,
>
>
> See here:
>
> https://www.swagelok.com/downloads/webcatalogs/en/ms-02-331.pdf
> --
> Mike K.
> '75 PB
> Southeast Michigan
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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Re: [GMCnet] Power Level II Valves leaking [message #318623 is a reply to message #318611] |
Wed, 07 June 2017 03:45 |
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USAussie
Messages: 15912 Registered: July 2007 Location: Sydney, Australia
Karma: 6
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Senior Member |
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Carl,
You figgered it out before I had a chance to reply. I used those Swaglok
three way valves a lot on test equipment I built during my Project Apollo
days. If tightening the gland nut doesn't solve the problem you can get a
"soft goods kit" to rebuild the valve.
As far as those push on fittings go I would suggest you disassemble the
whole setup and check the ends of the plastic tubes for scratches and the
o-rings in the fittings to see if they're nicked. Once again you can get
soft goods kits.
Regards,
Rob M.
The Pedantic Mechanic
USAussie - Downunder
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Carl
Stouffer
Sent: Wednesday, June 7, 2017 12:42 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Power Level II Valves leaking
Okay, I pulled the valve assembly out of the dash, took the handles off of
them and was able to tighten up the 'packing nuts'. The 'nuts' need a
spanner wrench to tighten them, which I didn't have, but I was able to get a
snap ring pliers in the holes and tighten them a partial turn. That took
care of that leak.
Next issue is that several of the black supply lines on the backs of the
valves are leaking. These are the ones that came installed on the valves
with the quick disconnect fittings from the right valve to the left. I
guess I'll wait for the pressure to bleed off and try to take them apart to
see if I can get them sealed. Any other suggestions?
Thanks again,
--
Carl
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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Re: [GMCnet] Power Level II Valves leaking [message #318634 is a reply to message #318623] |
Wed, 07 June 2017 08:40 |
Mr ERFisher
Messages: 7117 Registered: August 2005
Karma: 2
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Senior Member |
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-OR-
Do this.
http://gmcmotorhome.info/wireless.html
😀
On Wed, Jun 7, 2017 at 1:46 AM Rob Mueller wrote:
> Carl,
>
> You figgered it out before I had a chance to reply. I used those Swaglok
> three way valves a lot on test equipment I built during my Project Apollo
> days. If tightening the gland nut doesn't solve the problem you can get a
> "soft goods kit" to rebuild the valve.
>
> As far as those push on fittings go I would suggest you disassemble the
> whole setup and check the ends of the plastic tubes for scratches and the
> o-rings in the fittings to see if they're nicked. Once again you can get
> soft goods kits.
>
> Regards,
> Rob M.
> The Pedantic Mechanic
> USAussie - Downunder
> AUS '75 Avion - The Blue Streak TZE365V100428
> USA '75 Avion - Double Trouble TZE365V100426
> USA '77 Kingsley - TZE 267V100808
>
>
> -----Original Message-----
> From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Carl
> Stouffer
> Sent: Wednesday, June 7, 2017 12:42 PM
> To: gmclist@list.gmcnet.org
> Subject: Re: [GMCnet] Power Level II Valves leaking
>
> Okay, I pulled the valve assembly out of the dash, took the handles off of
> them and was able to tighten up the 'packing nuts'. The 'nuts' need a
> spanner wrench to tighten them, which I didn't have, but I was able to get
> a
> snap ring pliers in the holes and tighten them a partial turn. That took
> care of that leak.
>
> Next issue is that several of the black supply lines on the backs of the
> valves are leaking. These are the ones that came installed on the valves
> with the quick disconnect fittings from the right valve to the left. I
> guess I'll wait for the pressure to bleed off and try to take them apart to
> see if I can get them sealed. Any other suggestions?
>
> Thanks again,
> --
> Carl
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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Re: [GMCnet] Power Level II Valves leaking [message #318639 is a reply to message #318634] |
Wed, 07 June 2017 09:30 |
Carl S.
Messages: 4186 Registered: January 2009 Location: Tucson, AZ.
Karma: 13
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Senior Member |
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Mr ERFisher wrote on Wed, 07 June 2017 06:40-OR-
Do this.
http://gmcmotorhome.info/wireless.html
😀
...And guaranteed no more leaks???
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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Re: [GMCnet] Power Level II Valves leaking [message #318641 is a reply to message #318618] |
Wed, 07 June 2017 09:47 |
James Hupy
Messages: 6806 Registered: May 2010
Karma: -62
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Senior Member |
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The chances for leaks are much less than that tangle of plastic lines
running fore and aft throughout the coach. One air line to each air bag.
That is it. Math doesn't lie here.
Jim Hupy
Salem, Or
78 GMC ROYALE 403
On Jun 7, 2017 7:36 AM, "Carl Stouffer" wrote:
Mr ERFisher wrote on Wed, 07 June 2017 06:40
> -OR-
> Do this.
> http://gmcmotorhome.info/wireless.html
>
> 😀
...And guaranteed no more leaks???
--
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive,
Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American
Eagles,
Solar battery charging. GMCSJ and GMCMI member
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GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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Re: [GMCnet] Power Level II Valves leaking [message #318642 is a reply to message #318641] |
Wed, 07 June 2017 10:09 |
Carl S.
Messages: 4186 Registered: January 2009 Location: Tucson, AZ.
Karma: 13
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I'm actually quite happy with my Power Level system with the ViAir pump and the ability to pump my Quad bags all the way up to maximum raise or level the coach from the driver's seat. I don't doubt that the wireless system is a great product, but it has it's limitations. For someone with a non functional air system, it is the ideal fix, but I'm just battling a few small leaks here. No point in throwing out the baby with the bathwater.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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Re: [GMCnet] Power Level II Valves leaking [message #318643 is a reply to message #318618] |
Wed, 07 June 2017 10:11 |
Carl S.
Messages: 4186 Registered: January 2009 Location: Tucson, AZ.
Karma: 13
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Senior Member |
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jimk wrote on Tue, 06 June 2017 22:14Mike, call me so I can send you a new one N/C.
I don't care where you bought it.
On Tue, Jun 6, 2017 at 4:50 PM, Mike wrote:
> Carl S. wrote on Tue, 06 June 2017 19:12
>> My J.R. Slaten Power Level II air valves are leaking at the stem, or at
> least one of them is. I can actually feel air coming out of it, even
>> though it is a slow leak. Before I investigate the leak, I just thought
> I'd ask if there is a nut at the stem, with some sort of packing in it,
>> that can be tightened?
>>
>> The rest of the air system is pretty tight, but I probably have a few
> other small leaks that should be easy to track down and fix. If I isolate
>> the air bags, the coach will stay up indefinitely, but if I leave the
> shut offs open, it will sag in a few days. I'm pretty sure, at this point,
>> the air is mostly leaking out of the valves.
>>
>> Thanks,
>
>
> See here:
>
> https://www.swagelok.com/downloads/webcatalogs/en/ms-02-331.pdf
> --
> Mike K.
> '75 PB
> Southeast Michigan
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim, Not Mike here, but I'm pretty sure I did buy the valve set-up from you. No need to replace the whole thing, at this point, but I will keep your offer in mind. Hopefully I can get the small air line leaks fixed and get on with my life.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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Re: Power Level II Valves leaking [message #318671 is a reply to message #318591] |
Wed, 07 June 2017 15:58 |
midlf
Messages: 2212 Registered: July 2007 Location: SE Wisc. (Palmyra)
Karma: 1
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If I had a problem with Powerlevel II I'd just call J.R. ???????
Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI
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Re: Power Level II Valves leaking [message #318681 is a reply to message #318671] |
Wed, 07 June 2017 17:11 |
Carl S.
Messages: 4186 Registered: January 2009 Location: Tucson, AZ.
Karma: 13
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Senior Member |
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midlf wrote on Wed, 07 June 2017 13:58If I had a problem with Powerlevel II I'd just call J.R. ???????
I didn't want to bother him if I could get some advice here and fix it myself.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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Re: Power Level II Valves leaking [message #318707 is a reply to message #318681] |
Thu, 08 June 2017 04:31 |
midlf
Messages: 2212 Registered: July 2007 Location: SE Wisc. (Palmyra)
Karma: 1
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Carl S. wrote on Wed, 07 June 2017 17:11
I didn't want to bother him if I could get some advice here and fix it myself.
Yeah I can understand that and tend to do it myself. However I've met most all of the GMC vendors and service providers. Not one of them I've met would consider a call to be a bother. They are all willing and happy to help and want to know if there is a problem with their product.
Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI
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Re: Power Level II Valves leaking [message #318935 is a reply to message #318591] |
Tue, 13 June 2017 11:38 |
Carl S.
Messages: 4186 Registered: January 2009 Location: Tucson, AZ.
Karma: 13
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Senior Member |
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To finish out this thread, I talked to Jim K about the leaky fittings and he contacted JR, who sent me ALL the fittings along with an apology for the inconvenience, and instructions on how to change them out. I will install them tonight.
I certainly appreciate the way our vendors and suppliers support their products.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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Re: [GMCnet] Power Level II Valves leaking [message #318962 is a reply to message #318935] |
Tue, 13 June 2017 20:57 |
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USAussie
Messages: 15912 Registered: July 2007 Location: Sydney, Australia
Karma: 6
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Senior Member |
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Carl,
The following may be redundant, however, I figger'd I'd toss it out there
just in case.
Check the ends of the plastic tubing that goes between the fittings to make
sure it's a clean cut. Take some 400 grit paper and radius the edge a bit so
it's not sharp as it can cut the o-rings in the push in fittings. Be careful
not to sand the side of the tubing. Lubricate the ends with a bit of
Vaseline before you insert the tubes.
Regards,
Rob M.
The Pedantic Mechanic
USAussie - Downunder
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Carl
Stouffer
Sent: Wednesday, June 14, 2017 2:39 AM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Power Level II Valves leaking
To finish out this thread, I talked to Jim K about the leaky fittings and he
contacted JR, who sent me ALL the fittings along with an apology for the
inconvenience, and instructions on how to change them out. I will install
them tonight.
I certainly appreciate the way our vendors and suppliers support their
products.
--
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive,
Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American
Eagles,
Solar battery charging. GMCSJ and GMCMI member
_______________________________________________
GMCnet mailing list
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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Re: Power Level II Valves leaking [message #318965 is a reply to message #318935] |
Tue, 13 June 2017 22:22 |
Carl S.
Messages: 4186 Registered: January 2009 Location: Tucson, AZ.
Karma: 13
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Senior Member |
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One more thing: I installed the new fittings from JR this afternoon and all is air tight and holding pressure.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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