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Volvo XC90 Tires and Wheels

116 messages,  Last post on Oct 10, 2008 at 5:00 AM

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What is this discussion about? Volvo XC90, Tires, Wheels, SUV

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#107 of 116 Re: Excessive rear tire wear [qbrozen] by jfgxc90 Aug 08, 2008 (8:34 am)
Replying to: qbrozen (Aug 08, 2008 6:22 am) I've heard about transmission problems...I have experienced a couple of times were the vehicled rolled backwards while it was in drive on an incline. The dealer said they couldn't repeat the problem...Luckily my warranty doesn't run out until 100k.   Any thoughts on that? Replies to this message: qbrozen (Aug 08, 2008 8:36 am)
#108 of 116 Re: Excessive rear tire wear [jfgxc90] by qbrozen Aug 08, 2008 (8:36 am)
Replying to: jfgxc90 (Aug 08, 2008 8:34 am) nah. rolling backwards on an incline is totally normal with an auto trans.
#109 of 116 Re: Excessive rear tire wear [jfgxc90] by jim314 Aug 08, 2008 (11:39 am)
Replying to: jfgxc90 (Aug 06, 2008 12:29 pm) The volvo dealer says that it is an alignment problem, but I find that hard to believe since the excessive wear is only on my rear tires. Oddly enough, this wear did not start until after my last scheduled service which was 3,000 miles ago. At that time, the dealer replaced a brake booster and rear spring isolators.   Then go to the dealer and have them check the rear wheel alignment or do a full 4-wheel alignment. If you don't trust the dealer, then go to a reputable shop which specializes in alignment and suspension.
#110 of 116 Re: upsizing XC90 tires to 255/55R18 ??? [jccai1] by db2814 Sep 30, 2008 (5:09 pm)
Replying to: jccai1 (Feb 08, 2007 3:36 pm) Hello: I have a 2003 XC90 and just upsized to 255/55R18. I purchased Michelins from Tire rack. They are not the MHZ? but rather a Michelin Latitude tour HP. This is a stock tire on the toureg. So far I really like the smoothness of them and the handling. With very sharp turns you feel slight rubbing in the wheel well otherwise not noticeable. I have noticed better fuel economy already with these compared to the Stock Pirelli Scorpion zeros. So far a great tire. I do have a seperate set of tires on rims for winter. I purchased these Michelins strictly for summer/fall use. Hope this is helpful.
#111 of 116 TIRES for 2006 XC90 XC90 2.5T AWD by 4dimad Oct 08, 2008 (5:46 am)
Hello everyone! First of all let me apologize for asking this question which most certainly has been answered already somewhere on this site. I am looking for the new tires for 2006 XC90. I am in New England, MA, so they must be good on snow. My original Michelin dead after 42K. Another question - I notice that some people switch to 18". Would it create any problem with warranty since Volvo recommends 17" for my car? And last - where did you buy your tires from? Thank you!!! Replies to this message: jim314 (Oct 08, 2008 6:49 am) jim314 (Oct 08, 2008 1:25 pm) jim314 (Oct 08, 2008 5:52 pm) jim314 (Oct 08, 2008 3:53 pm) jim314 (Oct 10, 2008 5:00 am)
#112 of 116 Re: TIRES for 2006 XC90 XC90 2.5T AWD [4dimad] by jim314 Oct 08, 2008 (6:49 am)
Replying to: 4dimad (Oct 08, 2008 5:46 am) My wife's 2007 XC90 came with 235/65-17 tires on the 17" wheels which I personally think is an excellent tire and wheel choice for this vehicle -- a great combination of performance, appearance, and much lower price compared to 18" tires/wheels.   An alternate tire/wheel for at least some years of the XC90 is "lower profile" 55 series, 235/55-18 tires on 18" wheels. This size has the same outside diameter at the tread as the 235/65-17, but at considerably higher cost. To change now to 18" tires would require replacing the current 17" wheels with 18" wheels.   The main reason to choose the 18" wheels is appearance. Some people really prefer it. People have gotten weirdly obsessed with the "look" of low profile tires.   Maybe lower profile tires improve the performance of sports cars on smooth pavement, but I don't think they are appropriate on an SUV. The appearance of the 65 series tires is just fine, and having more rubber and air between the rim and the road is what is wanted in an SUV -- more likely to protect the wheel from impact damage. And for extra traction in winter or on soft ground you could reduce the inflation pressure (within limits) to give more traction.   Many pickups and body-on-frame SUVs (like the Chevy Suburban) are equipped with 70 series tires which have even more air between the rim (i.e. the wheel) and the road. Replies to this message: jim314 (Oct 08, 2008 1:25 pm) jim314 (Oct 08, 2008 5:52 pm) jim314 (Oct 08, 2008 3:53 pm)
#113 of 116 Re: TIRES for 2006 XC90 XC90 2.5T AWD [jim314] by jim314 Oct 08, 2008 (1:25 pm)
Replying to: jim314 (Oct 08, 2008 6:49 am) This afternoon we parked next to a Honda Pilot and I looked at the tire sidewalls: the tires were some model of Michelin in 235/70-16, i.e. 16" wheels. The outside diameter at the tread of these is 29.0", the same as the 235/65-17 (29.0") and practically the same as the 235/55-18 (29.2").   For those who may not know:   (1) The first number in the tire size designation is the width in mm at the widest point sidewall-to-sidewall with the tire mounted on a specified rim width wheel and infllated to some standard pressure. The tread width is less than this and depends on the tire model.   (2) The next number is the aspect ratio. This ratio is the radial distance from the edge of the rim at the sealing surface to the outside of the tread divided by the width of the tire defined in (1) above. The decimal point is not shown.   (3) The third number is the diameter in inches of the wheel at the bead sealing surface.   So, for example, the tread of a 65 series tire of width 235 mm is at a distance of 0.65 x 235 mm / 25.4 mm/in = 6.0 inches from the sealing surface of the rim. Therefore, the outside diameter at the tread of a 235/65-17 tire is 17" + 2 x 6.0" = 29.0". Replies to this message: jim314 (Oct 08, 2008 5:52 pm)
#114 of 116 Re: TIRES for 2006 XC90 XC90 2.5T AWD [jim314] by jim314 Oct 08, 2008 (3:53 pm)
Replying to: jim314 (Oct 08, 2008 6:49 am) Error correction.   For the 2004 XC90 FWD the alternate tire size in the 18" wheel is 235/60-18 (diameter 29.1") and not 235/55-18 (this would be diameter 28.2"). See TireRack.   In a 55 series tire, 255/55-18 is required to give the same 29" dia at the tread as 235/65-17 and 235/60-18. If Volvo doesn't list 255 mm wide tires as an OE choice this could indicate that 255 mm wide tires might be wide enough to rub the insides of the wheel wells in tight turns, especially turns with bumps causing suspension travel.
#115 of 116 Re: TIRES for 2006 XC90 XC90 2.5T AWD [jim314] by jim314 Oct 08, 2008 (5:52 pm)
Replying to: jim314 (Oct 08, 2008 1:25 pm) Error correction.   The diameter of 235/55-18 is 28.2".   It is 235/60-18 that is the same dia and is the alternative size to 235/65-17.
#116 of 116 Re: TIRES for 2006 XC90 XC90 2.5T AWD [4dimad] by jim314 Oct 10, 2008 (5:00 am)
Replying to: 4dimad (Oct 08, 2008 5:46 am) How about letting us know what you decide to get? To answer your question about source, I use Discount Tire.   You might look at Post #94 in this thread. So you could consider Kumho Road Venture APT KL51 in the 235/65-17 as an economical alternative to Michelins (or in 235/60-18 if you decide to change to 18" wheels).   Besides performance and length of service, an important criterion for tire choice nowadays is fuel efficency. Some tire models do allow higher mpg than others, and it seems to be difficult to find data on this. However, wider tires almost always give lower mpg than narrower ones. So the relatively wide tires in the 2008 XC90 V8 AWD Sport model (255/50-19 => 29.0" diameter at tread) should contribute to lower mpg than the 235 mm wide tires in the other XC90 models.

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