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Date: Sun, 7 May 2000 22:41:03 +0100
From: "Simon Watkins" <siwatkinsnopsamorg>
Subject: Re: 9-5 - Abnormal Tyre wear???


Hi Robert, Well I've been running with the recommended 32psi allround. However, the range does go up to 39 or 40psi for heavily loaded high speed cruising. I could try your suggestion for the future. Thanks for the input. Simon Robert Brown <rjbnopsamnetNOSPAM.se> wrote in message news:3915C737.C7A4C888nopsamnetNOSPAM.se... > Simon, one thing you haven't mentioned is tyre pressures. Is it possible that > yours are a bit low? > > Don't know what tyres you have, but on our 9-3, we upped the pressures from 2,3 > kPa to 2,7 kPa (I think this is equivalent to 33 psi upped to 40 psi, but am not > sure - check your conversion tables first) and got better handling, though at > the cost of more road noise. We expect to get even tyre wear since the tyres > will deform less in corners. By the way we have 205/50 x 16 tyres mounted on 6,5 > x 16 rims. Car weighs about 1400 kg. > > I had the same problem as you describe, on our old 900. Much tread wear on the > outer edges, necessitating a change of all 4 tyres. Increased pressures from 2,0 > to 2,4 kPa and now we get even wear (the workshop manual recommends 1,9 kPa > front, 2,0 kPa back!). Tyres are 185/65 x 15, mounted on 5,5 x 15 rims. Car > weighs about 1250 kg. > > You may be able to use the above data to find good figures for your 9-5. What > we've pertty much done is used the recommendations for maximum load/speed (4 > adults, baggage, canaries, and grandma's teeth, all doing more than 180 km/h or > whatever they say), even if we're only two adults and one child (no birds or > extra teeth) typically doing 80 km/h on the city freeways. > > Regards, > > Robert > Gothenburg (1999 9-3 200, 1983 900 GL) > > Simon Watkins wrote: > > > Hi Goran, > > > > Thanks for the response. I think this is helpful. Your car is a manual, > > and mine an auto, but I would expect little difference in the wear > > characteristics of the two drive types. I drive sensibly, so I can't really > > believe that I should get such marked scuffing on the outside edges and > > believe there must be something at issue with the car. Your comment about > > not hearing about the problem in Sweden is interesting, as the Dealer told > > me all 9-5s were like this. What to do now? :-( > > > > Simon > > > > Goran Larsson <hohnopsamove.se.NO_JUNK_EMAIL> wrote in message > > news:2000May7.145228.5018nopsamlei.approve.se... > > > In article <shatl794qil126nopsam.supernews.com>, > > > Simon Watkins <siwatkinsnopsamorg> wrote: > > > > > > > No-one around here own a 9-5 that has done more than 11500miles? > > > > > > I have a 9-5 SE 2.3 manual (Mar 1999) with 27000km (16800 miles > > > for those who are metrically challenged) and have no problem with > > > any uneven tyre wear. Furthermore I have never heard of any here > > > in Sweden (and we have many many 9-5 running around here). > > > It must be something with your 9-5 or your driving style. > > > > > > -- > > > Göran Larsson hoh AT approve DOT se > > > Senior Systems Analyst >

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