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Subaru B9 Tribeca Tire/Wheel Questions



  • x5killerx5killer Posts: 368
    can we get clear on exactly what 20'' tire and wheel sizes ar compatible with the b9?

    tire rack said one thing which I went with but have always felt they weren't wide enough when looking from behind, in fact less wide looking the the oem 18'' tires.

    don't have or remember the exact size of my 20'' wheels and tires but yeah it was tire racks only size choice for 20''

    but obviously there is other compatible sizes as the car show I wen to had a spt tribeca with differenr size 20'' tires (and wheels I guess) and I feel like I have seen or heard another 20 dimension tire that is compat elsewhere as well so it woul be nice to clarify and list the compat 20'' sizes.

    though for me ill prob go to 22'' next at his point. is there only one compatible 22'' tire and wheel size for tribeca? the one that tire rack lists? anyone do 22's yet?
  • ateixeiraateixeira Posts: 72,587
    Tire Rack is pretty conservative. They told me I could not fit a 225/60R16 tire on my Forester, and so they refused to even sell me the tires.

    I went to Discount Tire Direct and got them, and they fit just fine, never rubbed once.

  • ckweheckwehe Posts: 8
    I was the pregnant lady a few posts back, now I have a 2 month old. Still having the darn sensor light on all the time. I take it in to Mr Tire and they tell me the tires are maybe 1-2 psi low, fill it up, light goes off. Three weeks later light goes back on. Sales rep and manual say it shouldn't go on unless it's 6 psi off, techs at the local dealership service centers say no, more like 2-3. Anyone else having this happen? Is it normal to lose that much pressure, even 2-3 psi, every few weeks? (happens regardless of temperature outside)
  • PF_FlyerPF_Flyer Pennsylvania Furnace, PAPosts: 5,854
    If it's not a sensor problem, it almost has to be a slow leak. Is the pressure down in all the tires, or just one?

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  • ateixeiraateixeira Posts: 72,587
    Ask if the dealer will replace the valve itself. Must be a slow leak.

  • occkingoccking Posts: 346
    Dear Preglant Lady... I have had one tire that has caused the light to go on approx once every few weeks, then once a week now every few days. Just today diagnosed with a nail in the sidewall, and not repairable. Not really pleased as most Goodyear Dealers want around $230 for one lousy tire!

    I can tell you, when the light went on the tire pressure had dropped from either 32 or 33 (depending on whether the offending tire was on the front or rear by 2, maybe 3 pounds. That's all it takes. Now that the tire is leaking more about 5 pounds every few days so I will have to replace it.
  • Didnt we have this discussion already x5? for those that want to catch up on the conversation from the previous forum that is read only now:

    cluelesspa, "Subaru B9 Tribeca (B9X)" #6706, 11 Jan 2006 8:59 pm

    you have to work with the factors of wheel size, profile and tire size. The moderator also put a link to a tire profile calculator :) use this to calulate the diameter of tire and compare that to OEM diameter. if you keep the same diameter and you get a size that wont rub you will be fine. also with wheels you have to watch the offset to make sure your not too much off the OEM offset or your tires will stick out.
  • x5killerx5killer Posts: 368
    yeah well like you said that thread is read only now and this is the tire/wheel thread so its an obvious subject worth bringing up again especially since i was never clear.

    i see the point what your saing to use the the tire profile calculator and all. its just some fell safer especially when ordering online and not want to wait and see if it doesnt' rub and have to return ship.

    and bein' ive seen a bunch of diff sizes i just wanted to see if i could get more clear in here on what would be ideal sizes in 20" and 22"

    i know on my 20's , i feel they aren't as wide as the oem 18's even it seems like and in general just dont look like a major upgrade size increase because of the size which i forget off hand now but it was what tirerack recommended.

    i guess it was he safe pick but like i said they just dont look like enough of an upgrade and actually look not as wide as oem 18's

    for 22" though there is prob less if not only one size that is compatible so prob def have to go with tire racks recommended 22" size
  • OK here is the best recommendation I can make.

    STICK with the OEM sized tire ratio. Don't go wider or change the final diameter from the OEM Tire (total diameter tire and wheel) and you wont rub :)

    if you want to increase the WHEEL (rim) size (you need to go with a lower profile TIRE to make up for the wheel size increase). you again want to keep the same final outside wheel diameter (use the calculator linked to make sure). if you do not you will mess up your odometer and speedometer.

    not sure what you are looking for but it sounds like you want WIDER tires in addition to a Larger WHEEL (RIM). don't confuse WHEEL size with TIRE size. First decide your WHEEL size you want then you can pick tires. you cant really do them both at the same time.
  • x5killerx5killer Posts: 368
    yeah mine are fine, i've just seen other 20" sizes that looked a little bigger and/or i liiked better like one at car show, some pics on orig threaad and one i saw in a parkgin garage. but its hard to tell exactly and the one wheel can make an illusion

    mine still look great have been great and get lots of compliments and were an improvment over the oem. i'm just particular and in afterthough would have like to have gone bigger maybe but was trying to keep it classy and humble not overkill blinged out huge 22's

    i like my all black rims with machined lip but its just after some time they are almost too conservative and boring being all black and not having any metal bolts or any extra design element that some have. its a good subtle look though that improves the b9 while lookin like they go with/came with the vehicle.

    will go 22 next but prob on a new diff car
  • aka1aka1 Posts: 110
    I've had a slow leak in my tire for the past six months from a plug that wasn't sealing properly. So like someone here had mentioned before, with nearly 25K miles on it, figured it was time for four new ones. BTW the tires still had plenty of tread left on it- using Lincoln's head on a penny as a measuring tool. I wound up going with the Dunlop SP Sport 5000. I found them at Tirerack for 121 a piece, and Discount tire beat that price... So far the tires are far superior to the GY's for ride, handling, and quietness. There's less humm on the highway, and lane changes at higher speeds are much more composed. I still like the way the GY's looked compared with the Dunlops- but satisfied nonetheless.
  • Well, I check my tires because I haven't check them for awhile and I haven't driven the B9 for a month or 2. All 4 tires were down to like 26 PSI. But the darn TPMS light never came on even after driving for like 60 miles on 26 PSI..... Does anyone else has this problem?
    It came on once last year at the start of winter season and went away after I put some air in. So I know it works, or at least it worked..... :(
  • tupintupin Posts: 71
    It is a strange system...isn't 27 supposed to be the cutoff? I have winter tires on separate wheels on the car and it took a long time before the TPMS system figured out the sensors were gone and started blinking the warning light.
  • kmartinkmartin Posts: 427
    According to the Tech's Reference Book, the light will go on at 27.26 psi, and turn of when the PSI returns to at least 30.17 or higher. Have your dealer check the sensors...if you have changed tires/wheels, maybe there's a re-calibration that need to take place?

    -Karen in AZ-
  • paisanpaisan Posts: 21,181
    My TPMs work great on my armada, anything below 30 PSi they go on.

  • Anyone have a recommendation for a snow and ice tire for the B9? My original tires are bald at 25,000 miles. I need a superior all season tire or a true snow and ice application for New Hampshire driving conditions.

  • I have a set of Pirelli Scorpions Snow and Ice tires coming Tues from Tire Rack. Discount tire didnt carry them.

    For here in Pittsburgh we dont get snow then we get snow then none...ect... so I wanted the same size tire as the OEM because most of the time it would be wet or dry driving. Instead of going down one size in width.

    I had the Pirelli's on my Pacifica and they worked well in the snow and dry condition. they are H rated or you can get V rated. Probably better 100% snow only tires out there but for my 50/50 wet rain vs snow driving this works and gives me performance I like when driving most of the time.
  • Funny you should mention the Scorpions... I've been researching since my last post, and they look like the ones to go with for mixed driving. Thanks!

  • paisanpaisan Posts: 21,181
    I use the Sotto Zeros on my subarus, not sure if they are available in the size for the Tribeca, however the Pirellis overall are great tires.

  • tupintupin Posts: 71
    Go to I got Michelin Latitude X-ice from there on 17" alloy wheels. They look great and are very quiet tires. I had Arctic Alpins on my old Forester and they were great tires...hence the reason I got the X-ice. I think the $99 alloy's from Tirerack look better than the OEM wheels.
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