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excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5919

1999 Defender 110 Td5 SW Caledonian Blue

Drive belt tensioner/pulley squeak

I have been chasing a pulley squeak that sounds like its coming from the tensioner area.

Replaced the tensioner for a new LR one and squeak still present

I know the tensioner has a little peg to locate the tensioner, but is there more than one hole the peg can fit in?

Then I replaced the top idler pulley closest the engine block with a old spare one I had and thought I had sussed the squeak as the noise went, but after a run up the M6 the squeak returned. Ordered a new pulley and squeak still present.

I then proceeded to order and swap the remaining pulley behind the radiator pipes. But on fitting the new pulley, I found I had some wiggle in the pulley despite using the new bolt and washer and also trying with the old washer and bolt - faulty pulley?

Back to the drawing board until I get another pulley. 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

13th Mar 2024 9:46pm

geobloke

Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

Hi John. It is a real PITA to find these squeaks chirps and groans

You can also go super ol' skool and use a long screwdriver to the ear, does the same job just much less comfy

But... This has to be my favourite cheap way to diagnose pulley bearings. So simple it'll hurt your head as to why you didn't think of it yourself

https://www.youtube.com/watch?v=fHtLH_m9gN4

18th Mar 2024 10:35am

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17640

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

^^ Brilliant, I do like that! The modern equivalent of the old ear-trumpet.

18th Mar 2024 11:26am

geobloke

Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

blackwolf wrote:
^^ Brilliant, I do like that! The modern equivalent of the old ear-trumpet.

I know. Great isn't it

I thought of "His masters voice dog"

18th Mar 2024 11:27am

excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5919

Hi Guy. Yes it is a PITA to locate the squeaks. I have one more to swap for a new pulley and hopefully thats it.
I do like the idea of the megaphone style screwdriver attachment. 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

18th Mar 2024 12:49pm

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