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09-23-2015, 11:13 PM
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#1
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Member
Join Date: Aug 2015
Location: NC
Posts: 75
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Jack up before adding air?
I STUPIDLY hooked up the 25 ft camper THEN checked the air in the rear tires of the Tahoe.
They read bout 35 psi and are a tad flat looking.
Tires are rated for 42 psi at load.
Should I use the jack to raise the campers weight off the Tahoe before adding air in the morning before taking off.
It's 1.5 hrs away.
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Buy a soldiers meal next chance you get!
The 10 Commandments are NOT suggestions.
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09-23-2015, 11:16 PM
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#2
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Registered User
Join Date: Sep 2015
Posts: 2,007
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no.
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09-23-2015, 11:20 PM
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#3
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 33,785
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No need to raise the weight off the truck ; BUT you need to add air before you move and the tires start heating up. Under inflated they will heat up FAST.
Do you know what the weight on the rear axle is with the trailer hooked up?
How does that weight compare to the load rating on the tires?
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99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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09-24-2015, 05:27 AM
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#4
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Member
Join Date: Aug 2015
Location: NC
Posts: 75
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Thanx Dex
No Skip, I don't know axle weight, but do know the tires are rated highter than the load.
Its about 3 miles to the air station though.
I'll re-measure before and after that lil hike to know how much it went up.
__________________
Buy a soldiers meal next chance you get!
The 10 Commandments are NOT suggestions.
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09-24-2015, 06:07 AM
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#5
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Senior Member
Fleetwood Owners Club
Join Date: Jun 2009
Posts: 4,031
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If one tire is at the correct pressure cold. When you get too the air station check it again.
And put the same amount in the low tire.
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99 Discovery 34Q ISB
2014 MKS AWD EcoBoost Toad
Fulltime Since "99"
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09-24-2015, 12:06 PM
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#6
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Senior Member
Join Date: Jul 2015
Location: Watertown NY USA
Posts: 6,698
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Quote:
Originally Posted by 41magnum
Thanx Dex
No Skip, I don't know axle weight, but do know the tires are rated highter than the load.
Its about 3 miles to the air station though.
I'll re-measure before and after that lil hike to know how much it went up.
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Get that tire checked. There is a reason why the pressure is down. Adding air is not going to repair the tire. You are flirting with a dangerous situation here.
Lynn
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09-24-2015, 12:28 PM
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#7
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Senior Member
Join Date: Feb 2009
Location: Ca
Posts: 1,076
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Suggest you buy a decent 12V air compressor.
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09-25-2015, 01:45 PM
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#8
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: Apr 2008
Location: Mesa, AZ
Posts: 369
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What kind of a tire is it (size, ply rating, etc.)? 35 psi is probably not underinflated, just because it requires more pressure at maximum load. Three miles is no big deal, get in it and drive to your air source. Check the pressure there and add 7 lbs if you want the 42 psi maximum pressure recommended at maximum load.
They look low because:
1. They are radial tires
2. You have the hitch weight of the trailer on the rear of your Tahoe
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Ken & Jeannie - 96 Vectra Grand Tour 35' DP Freightliner 6 spd Allison Jack (silky terrier), Hannah (poodle), Casey (Cairn Terrier)
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09-25-2015, 02:20 PM
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#9
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Senior Member
Monaco Owners Club Workhorse Chassis Owner
Join Date: Aug 2002
Location: Clovis, CA, USA
Posts: 13,558
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I suggest you check the air pressure with the 25' camper on the ground and then lift the wheels off the ground as you did before and check the pressure again....
The tire pressure will not change at all.
Try it.
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2004 Monaco La Palma 36DBD, W22, 8.1, 7.1 MPG
2000 LEXUS RX300 FWD 22MPG 4020 LBS
The train has left the track.
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09-25-2015, 04:55 PM
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#10
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Senior Member
Jayco Owners Club
Join Date: Jul 2004
Posts: 2,201
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Quote:
Originally Posted by Triker56
If one tire is at the correct pressure cold. When you get too the air station check it again.
And put the same amount in the low tire.
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Smart!!!
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09-28-2015, 05:55 PM
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#11
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Senior Member
Join Date: Aug 2013
Location: Cincinnati, OH
Posts: 849
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Air pressure inside the tire is constant, regardless of the load. Higher load just makes the footprint of the tire on the ground larger, but internal pressure is the same. When higher load, use the higher pressure, it is better for the tire.
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2017 Renegade Verona 36 VSB
2005 Kenworth Showhauler truck conversion. sold .
I used to have a handle on life, but it broke
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10-04-2015, 01:43 PM
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#12
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Registered User
Join Date: Sep 2015
Posts: 2,007
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Quote:
Originally Posted by 41magnum
I STUPIDLY hooked up the 25 ft camper THEN checked the air in the rear tires of the Tahoe.
They read bout 35 psi and are a tad flat looking.
Tires are rated for 42 psi at load.
Should I use the jack to raise the campers weight off the Tahoe before adding air in the morning before taking off.
It's 1.5 hrs away.
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I curious, do you jack up your car or truck before adding air?
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10-05-2015, 07:17 AM
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#13
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Member
Join Date: Aug 2015
Location: NC
Posts: 75
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Well, I added air at the pump a few mi down the rd in town. Bumped it up to 44 psi as the tire says for max load.
Rode fine, except for the winds at 30 mph off and on the whole ride.
At least it was only bout 2 hrs away.
Thanks to all who contributed.
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Buy a soldiers meal next chance you get!
The 10 Commandments are NOT suggestions.
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