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Tire leak with new wheels. What would YOU do? #5086116
04/25/19 04:20 PM
04/25/19 04:20 PM
Joined: Feb 2014
Posts: 2,983
Canada
Lolvoguy Offline OP
Lolvoguy  Offline OP

Joined: Feb 2014
Posts: 2,983
Canada
Some of you may recall that on the Lexus below, I installed a brand spankin' new set of Lexus F Sport wheels last summer.
All has been going well with them. Considering the car only has about 50 k miles the wheels REALLY make the car look MUCH newer than it is.

My problem is with one of my rear tires. I seem to have a SLIGHT leak in it which is causing a 5 PSI leak over a one month period.
I've closely followed all the other tires and they all seem to be holding PSI's relatively consistent.
I don't think it's the wheels that are are fault, but maybe the bead? or maybe the TPMS? or the tire has a nail in it? Not sure really
Considering the leak is so small, I almost doubt I'd be able to find it with soapy water in a spray bottle.

Should I have this tire taken in to have the leak repaired?
I could just keep topping it off monthly and in doing so prevent any scratches etc. caused by the tire shop.
I'd also save the money since we hardly drive this car at all (about 3k miles per year).

What are your thoughts?


06 Lexus IS350- Wife
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Say "no" to Turbo!
Re: Tire leak with new wheels. What would YOU do? [Re: Lolvoguy] #5086120
04/25/19 04:26 PM
04/25/19 04:26 PM
Joined: Nov 2011
Posts: 1,618
Lyndhurst NJ
Audios Offline
Audios  Offline

Joined: Nov 2011
Posts: 1,618
Lyndhurst NJ
Spray it down with soapy water and trace the leak. Take the valve cap off and check that also, sometimes the valve cores leak.


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Re: Tire leak with new wheels. What would YOU do? [Re: Lolvoguy] #5086121
04/25/19 04:26 PM
04/25/19 04:26 PM
Joined: Apr 2016
Posts: 1,426
KS
FordBroncoVWJeta Offline
FordBroncoVWJeta  Offline

Joined: Apr 2016
Posts: 1,426
KS
I bet you would find it if you took it off the car and sprayed it with some soapy water or put it in a tank with some water. There is probably a small nail somewhere or a small bead leak. You will find it IF you put in a little time.


2017 Volkswagen Jetta 1.4T - 2015 Honda CRV 2.4 - 2012 Volkswagen Jetta 2.0 - 2007 Chevy Trailblazer 4.2 - 2003 Ford Taurus 3.0 Vulcan
Re: Tire leak with new wheels. What would YOU do? [Re: Lolvoguy] #5086123
04/25/19 04:29 PM
04/25/19 04:29 PM
Joined: Jun 2013
Posts: 1,242
iowa
Traction Offline
Traction  Offline

Joined: Jun 2013
Posts: 1,242
iowa
I would be looking for a hole. Screws, and nails start off as tiny leaks, then the hardware keeps getting driven in deeper and leak more. Spray it down with soapy water, and it might be obvious where the problem is. Then decide what to do.


Certified Tire Service Instructor since 2009
50 Chevy Fire Truck
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Re: Tire leak with new wheels. What would YOU do? [Re: Traction] #5086135
04/25/19 04:43 PM
04/25/19 04:43 PM
Joined: Sep 2018
Posts: 335
Raleigh NC
MrMoody Offline
MrMoody  Offline

Joined: Sep 2018
Posts: 335
Raleigh NC
Originally Posted by Traction
I would be looking for a hole. Screws, and nails start off as tiny leaks, then the hardware keeps getting driven in deeper and leak more. Spray it down with soapy water, and it might be obvious where the problem is. Then decide what to do.

Yes, what they said, and add that a rear tire leaking almost always has something in it: the front tire rolls over it and kicks it up.


2018 Hyundai Kona 1.6T DCT
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Re: Tire leak with new wheels. What would YOU do? [Re: Lolvoguy] #5086149
04/25/19 05:00 PM
04/25/19 05:00 PM
Joined: Jan 2018
Posts: 1,196
San Antonio, TX
das_peikko Offline
das_peikko  Offline

Joined: Jan 2018
Posts: 1,196
San Antonio, TX
There was a recent thread where somebody discovered a barcode sticker inside the tire right where the sealing bead is; maybe that's your problem?

Re: Tire leak with new wheels. What would YOU do? [Re: Lolvoguy] #5086180
04/25/19 05:26 PM
04/25/19 05:26 PM
Joined: Aug 2010
Posts: 1,685
pa
benjy Online content
benjy  Online Content

Joined: Aug 2010
Posts: 1,685
pa
cast wheels can have a bit of porous metal. the cure for my new reproduction 64 knockoffs was a coat of shellac in them on the inside, it worked!

Re: Tire leak with new wheels. What would YOU do? [Re: Lolvoguy] #5086237
04/25/19 06:17 PM
04/25/19 06:17 PM
Joined: Oct 2014
Posts: 13,804
Canyon County Idaho
CT8 Offline
CT8  Offline

Joined: Oct 2014
Posts: 13,804
Canyon County Idaho
Pull the wheel off of the car fill it with max air pressure and dunk the tire in a tank and watch for bubbles.


2015 F150 2.7
2018 F350 6.2
Re: Tire leak with new wheels. What would YOU do? [Re: MrMoody] #5086238
04/25/19 06:18 PM
04/25/19 06:18 PM
Joined: Jun 2013
Posts: 1,242
iowa
Traction Offline
Traction  Offline

Joined: Jun 2013
Posts: 1,242
iowa
Originally Posted by MrMoody
Originally Posted by Traction
I would be looking for a hole. Screws, and nails start off as tiny leaks, then the hardware keeps getting driven in deeper and leak more. Spray it down with soapy water, and it might be obvious where the problem is. Then decide what to do.

Yes, what they said, and add that a rear tire leaking almost always has something in it: the front tire rolls over it and kicks it up.

I have fixed hundreds of flats, and more often than not it is the right rear tire. Most of the debris is on the right side of the road, and the front tire stands it up just in time. You run over stuff all of the time and nothing happens. Just try to not hit a bungee cord, they make a mess.

Last edited by Traction; 04/25/19 06:20 PM.

Certified Tire Service Instructor since 2009
50 Chevy Fire Truck
13 Tahoe Pursuit
97 C5 Corvette
00 BMW M Roadster
02 Camry
12 Camry
81 Camaro
55 Chevy C4
Re: Tire leak with new wheels. What would YOU do? [Re: CT8] #5086267
04/25/19 06:34 PM
04/25/19 06:34 PM
Joined: Apr 2010
Posts: 1,505
Suburban Washington DC
atikovi Offline
atikovi  Offline

Joined: Apr 2010
Posts: 1,505
Suburban Washington DC
Originally Posted by CT8
Pull the wheel off of the car fill it with max air pressure and dunk the tire in a tank and watch for bubbles.


Most people don't have tanks but they do have bathtubs.

Re: Tire leak with new wheels. What would YOU do? [Re: atikovi] #5086296
04/25/19 06:50 PM
04/25/19 06:50 PM
Joined: Oct 2002
Posts: 538
Joplin
Cressida Offline
Cressida  Offline

Joined: Oct 2002
Posts: 538
Joplin
Agree that most people do not have a tank large enough for a tire.

I think my wife will not be happy if she sees me lugging a 16" mounted tire through the house headed toward the bathroom. Similar to when you try and put your valve covers in the dishwasher.

Re: Tire leak with new wheels. What would YOU do? [Re: Lolvoguy] #5086312
04/25/19 06:58 PM
04/25/19 06:58 PM
Joined: Jun 2003
Posts: 34,564
ME
eljefino Offline
eljefino  Offline

Joined: Jun 2003
Posts: 34,564
ME
Who mounted them? Road hazard coverage generally includes bead leaks. And if not they may still warranty their work for free somehow.

Re: Tire leak with new wheels. What would YOU do? [Re: Lolvoguy] #5086323
04/25/19 07:06 PM
04/25/19 07:06 PM
Joined: May 2018
Posts: 120
Northern KY
Elkins45 Online content
Elkins45  Online Content

Joined: May 2018
Posts: 120
Northern KY
I tubed the rear tires of my mower but one of them failed. Doing the work involved a horrible wrestling match with screwdrivers and crowbars, so when the tube failed I bought two new tires. I’ve only mounted one, and won’t mount the second one until the other tube fails. I just about knocked myself out when a pry bar slipped and whacked me in the head.

When I mounted the new one I couldn’t get the bead sealed. I had to resort to the lighter fluid explosion method to get it seated and I thought it was going to melt itself because the difference between too little fluid and too much fluid is surprisingly small.

In retrospect I would gladly have paid someone to do the work. I have one of those Harbor Freight manual tire mounters, but a mower wheel won’t go over the center post because it just has a 1” hole for a keyed shaft. Mounting tires isn’t for the weak!

Last edited by Elkins45; 04/25/19 07:08 PM.
Re: Tire leak with new wheels. What would YOU do? [Re: Lolvoguy] #5086401
04/25/19 08:12 PM
04/25/19 08:12 PM
Joined: Sep 2015
Posts: 1,896
USA
mk378 Offline
mk378  Offline

Joined: Sep 2015
Posts: 1,896
USA
Find the leak first. The best way is to remove the wheel and submerge it. There are some rim leaks that will only leak when the car is parked with the bad spot down, so the tire is flexed from the weight. Those are hard to find.

Last edited by mk378; 04/25/19 08:12 PM.
Re: Tire leak with new wheels. What would YOU do? [Re: atikovi] #5086451
04/25/19 08:56 PM
04/25/19 08:56 PM
Joined: Nov 2008
Posts: 9,912
Phoenix
dishdude Online content
dishdude  Online Content

Joined: Nov 2008
Posts: 9,912
Phoenix
Originally Posted by atikovi
Originally Posted by CT8
Pull the wheel off of the car fill it with max air pressure and dunk the tire in a tank and watch for bubbles.


Most people don't have tanks but they do have bathtubs.


Maybe a trashcan? No way I'm putting a tire in my bathtub.


2018 Challenger SRT 392 PUP 0w-40 Wix 57899XP
2018 GTI
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