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Old 21-07-2006   #16
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Re: Doblo Tyre Wear

Quote Originally Posted by Niall_G
Ozzie,

Kin Ell !! 2500 miles and your tyres are worn out?

Either you're driving like a young bloke or there's something obviously wrong. I assume you were running the tyres at the correct pressure.

Get the tracking checked by an expert (not necessarily a tyre depot or dealer).

Just for the record the tyres on our Doblo last in excess of 70,000 miles on the front. (Pirelli P3000 run at 40psi front, 50 psi rear).

LUKHYGO


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I'm presuming that the Pirelli's on the van are not the same spec as Pirelli's on the MPV as 40-50 psi seems excessive, possibly another reason for such high mileages.
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Old 21-07-2006   #17
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Cool Re: Doblo Tyre Wear

I run mine at 40psi all round if it's empty on the back, when I do carry all my heavy gear it's usually short runs so I don't worry too much, but if it's a long run I'll put some more in the backs, usually about 45psi
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Old 21-07-2006   #18
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Re: Doblo Tyre Wear

Quote Originally Posted by Ozzie1989
I run mine at 40psi all round if it's empty on the back, when I do carry all my heavy gear it's usually short runs so I don't worry too much, but if it's a long run I'll put some more in the backs, usually about 45psi
I've always had mine at 30psi.
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Old 21-07-2006   #19
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Cool Re: Doblo Tyre Wear

I started mine off with the "lower" readings from the book, but found that when I used the higher readings the handling seemed less "sloppy" and more precise, although 40psi on the back with no weight can be a little choppy! I just use 40 all round to make it easy for me to remember
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Old 21-07-2006   #20
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Re: Doblo Tyre Wear

Quote Originally Posted by doblo
I'm presuming that the Pirelli's on the van are not the same spec as Pirelli's on the MPV as 40-50 psi seems excessive, possibly another reason for such high mileages.
I thought the same but the handbook is quite specific. The tyres fitted to my wife's Cargo JTDSX are to be run at 40psi front/ 50psi rear regardless of load. Struck me as strange but perhaps the reinforced tyres don't like the side walls flexing at lower pressures. I expected the centre of the tyres to wear out first at these pressures (Ballooning) but they wear down evenly across the tread.

I have the opposite situation on my 3.5 ton van. The handbook specifies different pressures for different loads. Adjusting tyre pressure several times a day is obviously impractical and so I leave them pumped for the maximum load. Again the tyres wear down evenly across the tread.
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Old 21-07-2006   #21
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Re: Doblo Tyre Wear

Could the Doblo fail it's MOT for having 84T tyres instead of 88T? It is due in September.
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Old 21-07-2006   #22
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Cool Re: Doblo Tyre Wear

No, it will pass with these tyres, reason being...

Maximum front axle weight: 1ton
Maximum weight per tyre at 84T Half a ton (or 500kg)

Thus it will support the weight of the axle and it's load. The problem is, without the tyres being reinforced, or being of a higher weight, when you corner and the weight transfers to one side of the axle then this could overload the tyre. However it's unlikely that with just the engine etc and a few passengers will take the front axle load up to a Ton. Also bear in mind the weight shift when your braking... Yep it's on the front tyres as the weight shifts forward, thus increasing and possibly overloading the tyres.

What you have is llegal, it's just the minimum you could possibly have on the front axle. The back axle needs at least 88T to be legal I think!
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Old 18-08-2006   #23
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Re: Doblo Tyre Wear

I've just bought myself a digital tyre pressure gauge the fronts were 31,33 psi & the backs 31, 29.5 well under 40psi.
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Old 19-08-2006   #24
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Cool Re: Doblo Tyre Wear

Pump them up a bit then especially the fronts as they're carrying the weight of the engine. You should see an improvement in MPG too with pressures that low!
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Old 31-08-2006   #25
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Re: Doblo Tyre Wear

ref your tyre wear i have just put on the third set of tyres at 34k miles due to the inside edges wearing excessively. had 4 wheel laser tracking check and one comment was they suspected excessive camber. the i.9jtd should have around 3degrees (this itself is quite high) but suspect it is greater than that. i am due a service this month so will get main dealer to also check. i have fitted goodyear gt2 as supplied with 88 t rating
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Old 19-09-2006   #26
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Re: Doblo Tyre Wear

Ok well a bit of an update... 2500 miles on and my lovely Pirelli P3000's are looking just as good as new

Plenty of tread left, much better handling especially in the wet too so that 100 was well spent trouble is, I said that when they go next I'll get myself some alloys, but it doesn't look like that'll be happening for a while now
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Old 24-09-2006   #27
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Re: Doblo Tyre Wear

Had similar 13000 miles out of my first 2 sets of tyres. eventually garage sent dobby off to alignment specialist after i complained to Fiat directly. last set 2000 still ok
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Old 24-09-2006   #28
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Re: Doblo Tyre Wear

Hi everyone I'm new to the forum, I got my doblo cargo in april, it had 4 quite new tyres on it, after 35,000 miles in 5 months the back tyres still have about 4mm left on them and the fronts had to be changed after about 24,000miles of me having it ,thats mostly motorway miles , the van has done 94,500 miles since new
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Old 24-09-2006   #29
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Re: Doblo Tyre Wear

Quote Originally Posted by mackd0001
Hi everyone I'm new to the forum, I got my doblo cargo in april, it had 4 quite new tyres on it, after 35,000 miles in 5 months the back tyres still have about 4mm left on them and the fronts had to be changed after about 24,000miles of me having it ,thats mostly motorway miles , the van has done 94,500 miles since new
Welcome mack, your tyre wear seems average for the Doblo.
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Old 24-09-2006   #30
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Re: Doblo Tyre Wear

Welcome to the Forum Mack

This tyre wear is ok, but stick some Pirelli P3000's on there as another member NiallG had about 60,000 out of his fronts - motorway mileage - on these tyres.
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