Vehicle & Technical > Discovery

Howl under load HELP! - Fixed!

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bambamjj:
Morning all.

Been playing with the Disco, 300Tdi, this weekend, cleaned intercooler, removed EGR Valve tweaked pump etc etc.

On the way to work this morning under load i am getting a howl,  8-[ sounds like belt slipping, but on the turbo side of the engine between 2500rpm & 3000rpm, any ideas checked all pipes were secured properly on Saturday when i did the work.  prior to this it was very difficult to get the rev's this high.

Any help or ideas apprciated, just bought it and if it breaks SWMBO will divorce me  :)

freelanderpx54:
3 main suspects are water pump, belt tensioner and alternator. Water pumps usually squeal all the time and get worse under load. Try squirting some WD40 at the offending articles and when the squeal disappears, you have found your culprit

bambamjj:
think it is wrong side of engine, here goes, not sure if you have ever had a window slightly open at home and the wind begins to get strong and you get a sort of howl, well thats what it sounds like  :lol: :lol: :lol: :lol: :lol:

I know im bonkers!

Only had the disco a week and getting annoyed, should have got V8

meader:
sound like a pipe has blown off check the big one that goes to the turbo

bambamjj:
checked all pipes tonight, gave them bit more of a tweak to ensure it is tight.  Spoke to guy up the road and he said i need help  :huh:.  any way only happens around 2500 to 3500 revs under load, almost like a clutch bearing noise when you take up bite on the clutch, but its not that.

Oh dear this is gonna be an odd one  :rolleyes:

By the way it seems to run ok, but turns heads on motorway when your doing seventy passed someone and it kicks in with this harmonious noise

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