Member Since: 10 Sep 2020
Location: Dungannon
Posts: 46
Squeal on acceleration
Finally got my discovery running after an engine swap, turned out the problem was a valve sticking in hpfp, tap with the hammer and chisel sorted that.
Problem is now that when it is going, there is a squeal when under acceleration, (like air is escaping from somewhere) is they’re any known problems that could be causing this noise? Thanks.
10th Nov 2020 12:25 am
aja4x4
Member Since: 14 Apr 2019
Location: Westbury
Posts: 2459
Check your cross over pipe for splits
10th Nov 2020 7:07 am
Farmer joe
Member Since: 10 Sep 2020
Location: Dungannon
Posts: 46
Crossover pipe is good.
10th Nov 2020 8:52 am
Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1783
Is the noise front or back?
10th Nov 2020 9:06 am
IanMarsh
Member Since: 21 Jul 2020
Location: Newmarket
Posts: 55
Are you intercooler pipe clamps all tight. Also check the pipe from the intercooler to the air intake, this likes to split and can squeal. Other possibilities are exhaust manifold leak if it's not been tightened down properly.
10th Nov 2020 11:38 am
Farmer joe
Member Since: 10 Sep 2020
Location: Dungannon
Posts: 46
Globetrotter448 wrote:
Is the noise front or back?
Coming from the front.
13th Nov 2020 10:10 am
Farmer joe
Member Since: 10 Sep 2020
Location: Dungannon
Posts: 46
IanMarsh wrote:
Are you intercooler pipe clamps all tight. Also check the pipe from the intercooler to the air intake, this likes to split and can squeal. Other possibilities are exhaust manifold leak if it's not been tightened down properly.
Yeah clamps are tight, intercooler to air intake has been replaced. Exhaust manifolds are tight to.
13th Nov 2020 10:12 am
Davethegeo
Member Since: 01 Oct 2015
Location: Edinburgh
Posts: 879
Squeal from front left? Change passenger.D1 300Tdi - gone
D2 Td5 ES (Alive remapped...mmm) - sadly gone
D4 2012 SDV6 XS - Stolen
D4 2014 SDV6 HSE - Shiny
13th Nov 2020 10:22 am
mek
Member Since: 18 Mar 2015
Location: Zurich
Posts: 468
Re: Squeal on acceleration
Boost leak hot or cold side or Aux idle pulley is my guess.
Farmer joe wrote:
Finally got my discovery running after an engine swap, turned out the problem was a valve sticking in hpfp, tap with the hammer and chisel sorted that.
Problem is now that when it is going, there is a squeal when under acceleration, (like air is escaping from somewhere) is they’re any known problems that could be causing this noise? Thanks.
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