Member Since: 12 Feb 2020
Location: None
Posts: 1074
2003 TD5 - booming noise on acceleration
under part load in all gears I'm getting a 'booming' noise that i'm pretty sure isn't mechanical as it goes away higher up the rev range in each gear. Its very much a heavy bass sound.
It sounds like its from the exhaust / air intake as its more of a resonance boom related to air pressure, its where you would normally hear the turbo spooling up, but instead its a boom.
Changing down a gear and holing the same speed (e.g. 45 mph in 5th gear = booming, 45mph in 4th gear = no boom). Also if I dip the clutch it goes but that could also be related to lifting off the accelerator.
I've had a look round the car and can't see anything obvious, my 1st though is the waste gate?
7th Oct 2020 12:51pm
roel
Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039
Is your rear demper near the fuel tank bracket?
A few 1/2 ltr bottles of Grolsch will solve that problem.
Click image to enlargeRoel
1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)
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7th Oct 2020 5:12pm
