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chopcat

Member Since: 11 Sep 2012
Location: Pembrokeshire
Posts: 410

Whats this noise

I have a squeaky, possibly hissing??, noise from the engine - perhaps a bit like when the alternator went on the Marcos. But

I cant track it down with my stethoscope things - does it sound familiar?

CC

Last edited by chopcat on 4th Apr 2016 4:44pm. Edited 1 time in total

4th Apr 2016 4:33pm

Mash

Member Since: 09 Feb 2015
Location: Guernsey
Posts: 1674

Sounds like something is loose, I'd say check pulley bolts etc to ensure they are right, is the tensioner moving a lot? 90 wolf - Jasmin http://www.defender2.net/forum/topic39408.html
90 V8 - Maggie http://www.defender2.net/forum/topic42564.html
110 TD5 - Buggsy http://www.defender2.net/forum/topic59029.html
52HG25 lightweight https://www.defender2.net/forum/topic72342.html
D3 Hse - Fiona
Capri 2l S - Anna

Think I might have a problem............

4th Apr 2016 4:44pm

dorsetsmith

Member Since: 30 Oct 2011
Location: South West
Posts: 4554

Sounds change if AC is on or off

4th Apr 2016 5:04pm

chopcat

Member Since: 11 Sep 2012
Location: Pembrokeshire
Posts: 410

ah ha

the ac has recently dumped the gas so possibly the pump is having a bit of trouble.

is there any problem in running it without it gassed?

CC

4th Apr 2016 5:06pm

Mash

Member Since: 09 Feb 2015
Location: Guernsey
Posts: 1674

The AC pump should be a free spool clutch until in is turned on, if the clutch has stuck on this would be a reason for the noise. 90 wolf - Jasmin http://www.defender2.net/forum/topic39408.html
90 V8 - Maggie http://www.defender2.net/forum/topic42564.html
110 TD5 - Buggsy http://www.defender2.net/forum/topic59029.html
52HG25 lightweight https://www.defender2.net/forum/topic72342.html
D3 Hse - Fiona
Capri 2l S - Anna

Think I might have a problem............

4th Apr 2016 5:15pm

rallysteve

Member Since: 10 Feb 2014
Location: Cumbria
Posts: 2202

2002 Defender 110 Td5 DCPU Keswick Green

Sounds like a bearing on one of the things on the aux belt to me. Could be the idler or tensioner or worse could be a/c compressor or PAS pump.

Worth whipping the belt off and having a feel of the pulleys for endfloat or rough rotations.

Steve 02' 110 TD5 Double Cab Rebuild Thread
84' 90 3.9 V8 Caged Pickup Build Thread - Now For Sale

4th Apr 2016 5:15pm

dorsetsmith

Member Since: 30 Oct 2011
Location: South West
Posts: 4554

AC compressor will probable sound nose if you have AC system leak, AC compressor has elect magnetic clutch so with AC switch off compressor free wheel only

4th Apr 2016 5:20pm

Lionel

Member Since: 12 Aug 2008
Location: Melbourne
Posts: 59

Re: Whats this noise

chopcat wrote:
https://www.youtube.com/watch?v=cSoAl_m8TCY

I have a squeaky, possibly hissing??, noise from the engine - perhaps a bit like when the alternator went on the Marcos. But

I cant track it down with my stethoscope things - does it sound familiar?

CC

Could be right out of left field, but leaking exhaust manifold gaskets (quite common on TD5s) can make some very weird noises.

Worth a look.

Cheers,

Lionel

5th Apr 2016 1:18pm

Lionel

Member Since: 12 Aug 2008
Location: Melbourne
Posts: 59

Did you find out what the noise was?

Cheers,

Lionel

15th Apr 2016 3:17am

chopcat

Member Since: 11 Sep 2012
Location: Pembrokeshire
Posts: 410

I was taking the D4 for a service so booked the TD5 in as well.

As soon as I told it I was taking it toi see Steve at James French it stopped making the noise. So we didnt go for a diagnosis.

At the moment I am waiting for it to re appear to look at it further.

CC

15th Apr 2016 7:10am

chopcat

Member Since: 11 Sep 2012
Location: Pembrokeshire
Posts: 410

Its this pulley

Seemed fine and then suddenly seized. Hence i am waiting for a recovery truck.

The pulley to the rhs underneath the power steering pump. Or is it the air con pump?

Anyone an idea of the part number and where best to get one.

CC

Click image to enlarge

17th Apr 2016 2:53pm

dorsetsmith

Member Since: 30 Oct 2011
Location: South West
Posts: 4554

Click image to enlarge

yellow is PSP QVB101350 red is one there's http://www.allbrit.de/UNI.cfm?PAGE=751115&SPRACHE=EN

Last edited by dorsetsmith on 17th Apr 2016 3:35pm. Edited 1 time in total

17th Apr 2016 3:25pm

chopcat

Member Since: 11 Sep 2012
Location: Pembrokeshire
Posts: 410

Itsa da red one.

I think (from my googling waiting for the lady recovery driver) that its called the idler pulley

Amazingly it is totally solid.
CC

17th Apr 2016 3:35pm

chopcat

Member Since: 11 Sep 2012
Location: Pembrokeshire
Posts: 410

Here we go...the go anywhere vehicle

17th Apr 2016 7:56pm

chopcat

Member Since: 11 Sep 2012
Location: Pembrokeshire
Posts: 410

This is what it was....

19th Apr 2016 6:22pm

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