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[Andy B]

i find it very hard to keep the 3litre at 70 it seems much happier at 100+  

maybe thats why £50 lasted me 130 odd miles  

Just as happy at 95, and you will be too when the Plod pull you

Avoid the M180 then!  :-?  :-?    

[Kevin Wood]

The old belt will be fine but remember that when refitting a belt they must be replaced so that they rotate in the same direction (not all of them have markings!) and that the final tension should be adjusted so that the marks on the tensioner align as opposed to a new belt where tension is set a little higher to allow the belt to bed in.

Kevin

[Welung666]

As Loo-Knee and Kevin have said you should be fine refitting it if you 110% it's only 5k old but make sure you mark the belt and refit so it's turning in the same direction as it is now

[feeutfo]

cant see any problem at all. Your not removing the tensioner, as other posts suggest, and even if your where what would be the problem re fitting it?

Re belt direction, i had forgotten this, my understanding is you should re fit as same, as said. But not clear as to why exactly? Presumably the leading/drive faces of the belt will wear more than trailing edge? negligable though?
 Also seem to remember something about the way the Kevlar bends...? Anyone?

[Welung666]

cant see any problem at all. Your not removing the tensioner, as other posts suggest, and even if your where what would be the problem re fitting it?

Re belt direction, i had forgotten this, my understanding is you should re fit as same, as said. But not clear as to why exactly? Presumably the leading/drive faces of the belt will wear more than trailing edge? negligable though?
 Also seem to remember something about the way the Kevlar bends...? Anyone?

Correct It becomes brittle with a combination of lots of heat and change in flexing.

[ians]

I would resuse it, assuming its fairly recent and of course looks ok (not covered in oil) when you strip down.

I get 35 out of our 3.0 saloon (auto) on a run, so I think you either hammering it or have a problem.  First stop would be a thorough service, filters, plugs, oil etc,  breather clean (not sure if that would affect fuel consumption, but worth doing anyway).   Also worth a look at your exhaust - my 3.2 has improved significantly since replacing the old (original) system with partly blocked back box.

[Marks DTM Calib]

Lol, refit the original belt and tensioners/idlers and set the tension to the used mark.

[KillerWatt]

I have a 3.0 auto fully loaded with camping gear, roofbox with four people in and got 32 going on holiday sitting at 70mph

That's quite impressive, especially as the Vauxhall figures claim 32 mpg at 56mph with just the driver.