He probably wrote the part in the US manual about long timing belt change
intervals - one is good for a car's LIFEtime if that life is cut short by a
blown motor. Dirt gets into fuel tanks and works its way through to the
filter. Even though the transmission and diffs are lubricated, there will
be *some* wear and resultant dirtying of the lubricant. They're "sealed",
in that they don't have a dipstick, but that doesn't mean that they don't
get dirt in there. If you look at the car up on the hoist, you should see
the drain/fill plugs on the tranny and diff. Show them that.
Were they afraid to take your money or something?
1987 Audi 5kTQ
1980 Audi 5k
1962 and '64 Auto Union DKW Junior deLuxes
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