31.9" spare fits underneath! - Jeep Commander Forums: Jeep Commander Forum
Wheels / Tires This section contains discussion about wheels and tires for your Jeep Commander.

 
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post #1 of 5 (permalink) Old 07-31-2009, 10:22 PM Thread Starter
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31.9" spare fits underneath!

My 275/55-20 tires measure out to 31.9". Today I managed to fit (uninflated) a full size spare. I have a small air compressor so I could inflate the tire when needed. Did not have to force the tire either. To be able to install the tire/wheel I had to trim the excess material from the back of the receiver (flush with the main bracket WITHOUT removing any of the welds). Also the extra threaded area of the bolts (just 2 needed trim). The TPMS light did not come on either, so that may lead me to believe that the system reads 4 sensors, not all 5. I will be traveling to Michigan next week and now have peace of mind with a full size spare. If anyone wants pics, let me know and I will post.

'06 White Sport:4x4,4.7L, K&N CAI,Flowtech Terminator muffler,Flashpaq,OME HD lift,RRO UCA,20" GF-X wheels 275/55-20 Nitto Terra Grappler tires,rear grab handles,tinted tails,front hooks.
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post #2 of 5 (permalink) Old 07-31-2009, 11:01 PM
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Well of course we want pics you should know our motto... no pics... it never happened

2006 4.7, Leather, Sunroof, Front Tow Hooks, K&N Filter, Rear Grab Handles, Hyper Yellow Fog Lights, 2" RevTek Lift, Cooper Discovery ST 245/75R17 Tires

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post #3 of 5 (permalink) Old 07-31-2009, 11:04 PM
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I'm pretty sure that the TPMS reads the signal from the spare tire in addition to the other 4 tires. If your spare is not inflated, I think the dash light will illuminate eventually.
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post #4 of 5 (permalink) Old 08-01-2009, 07:22 AM Thread Starter
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Join Date: Jun 2009
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Model year: 2006
Trim Package: Sport
Power-Train: 4.7L V-8
4WD
If 4WD - system: QT-II
Current Mileage: 161000
Posts: 127
Before I modded the receiver, I had a 265/70-17 deflated spare underneath for 3 weeks, and my TPMS light never came on.

'06 White Sport:4x4,4.7L, K&N CAI,Flowtech Terminator muffler,Flashpaq,OME HD lift,RRO UCA,20" GF-X wheels 275/55-20 Nitto Terra Grappler tires,rear grab handles,tinted tails,front hooks.
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post #5 of 5 (permalink) Old 08-01-2009, 09:44 PM
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When it begins to get cold every year, I always get a warning about low air in the spare. After I add air, it goes away.

2006 Silver Jeep Commander Limited 4X4 - 5.7L Hemi, Quadra Drive II, Navigation System, Chrome Fuel Door, Sunroof, Rusty's 2" Lift Kit, Moto Metal M0950 Rims, Goodyear Silent Armor 255/70/17, Front Skid Plate, 4XGuard Belly Skid Plate, RR Supersliders, Chrome Front Tow Hooks, AEM Brute Force Intake, and WeatherTech Floorliners. See Pics
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