odd noise when accelerating hard

[white90]

The freelander has developed an odd noise when you accelerate quickly

sounds like a blowing exhaust, but no noise when rev'd and not in gear.

no obvious leaks from the exhaust system.

nothing else has changed mpg etc

any pointers??

[western]

might be a loose baffle in the silencer

[white90]

it is a similar sound to driving over very hot tarmac

where the tyres sound like they are on a wet surface

it is coming from the engine compartment I think

only under load though, dead quiet when rev'd not in gear

[western]

IIRC Freelanders have a undertray maybe that's moving on it's mountings, just a guess

[BogMonster]

Tony

The centre bearings on the propshaft make a similar noise to what you describe when they are on the way out, but that should not be only when accelerating, normally it is speed dependent and gets louder as you go faster - a sort of loud "rubbing" noise I suppose you could say a bit like tyres on a wet road. Loads of them fail here because the bearings are not properly sealed and on unsurfaced roads that lets all the cr&p in!

[white90]

Sorted!

there is a split in the hose from the intercooler to the inlet manifold.

under load turbocharged air is being pushed out of the hole. revving at idle produces very little if any boost, so no noise.

I'll get a new pipe,

thanks for the responses.