hi just a quick question i have a vectra 2.6 sri it has done 41,000 miles now and i,m told by my vauxhall dealer that its due for a timing belt at 40,000 but in my hand book it says the 2.6 is every 8 years or 80,000 miles just wondered if anyone could help coz its gona cost £371.00 and i,m wondering whether my dealer just wants some work ...thanks ian