S

superdougie

Active Member

• Feb 6, 2015

• #1

My disco 300tdi has developed a loud and annoying chirp, after changing the tensioner unit, water pump and belt. The annoying thing is it only does it under load, so finding out where it's originating from is an issue. It's quite if revved. Any ideas?

 

blue beasty

Leaks an prone to bits dropping off

• Feb 6, 2015

• #2

Search 'penny trick'

 

S

superdougie

Active Member

• Feb 6, 2015

• #3

Thanks will do, just seems a bit annoying that you put all these new parts on and then have to jam a penny in the tensioner for it to be quiet. But hay'ho if it shuts it up. Jobs a good'un

 

Discokids

Well-Known Member

• Feb 6, 2015

• #4

Might as well leave as is - its probably Doing a good job of hiding another irritating squeak or rattle!

 

Kwakerman

Well-Known Member

• Feb 6, 2015

• #5

Could be power steering pump, alternator or viscous fan bearing too. Might be worth taking belt off and try turning those bearings by hand to see if any feel rough (PS pump will feel a bit different due to its internals).

 

bluedog333

Well-Known Member

• Feb 6, 2015

• #6

Do you have a bird stuck on your grill? I once got a pigeon stuck in my roof rack once, stupid thing wouldn't shut up!

 

S

superdougie

Active Member

• Feb 13, 2015

• #7

Still chirping after the 'penny trick' but all the other pullys felt okay. Any ideas?

 

tottot

Well-Known Member

• Feb 13, 2015

• #8

Is this while just standing or when driving?

 

wickford90

Well-Known Member

• Feb 13, 2015

• #9

If it's quiet when stationary check your ujs had a chirping on mine and drove me nuts trying to find it.

 

Pumpy

Active Member

• Feb 13, 2015

• #10

I had a similar issue on my 300tdi after fitting a new tensioner, chased it for weeks, spent an afternoon moving a penny about, in the end I swapped the tensioner for a genuine part and sent the first replacement back for a refund.

 

DiscoPol

Well-Known Member

• Feb 13, 2015

• #11

I had a similar noise on my 300 it turned out to be my bonnet pins, I have pins not a catch and it was Squeaking like a good un, only did it under load ie when driving so i thought it was a tensioner or something. So what I'm saying is don't assume that it is only coming from the engine.

 

border

Well-Known Member

• Feb 13, 2015

• #12

Had the same with mine, really sounded like a budgie or somthing, changed all the UJs and never heard it again.