Strange ticking noise on '06 Gti. Only on idle

[raz469]

Hi guys, i hope you can give me some good news, but yesterday after work the car started making a ticking noise, but only on idle. Its not made this noise before, and i kinda hope it because of the car didnt run for 9 hours. It made the noise all the way home (~20miles) but when i parked up it stopped. I think its the circled item below as i could see it rattle, but thought someone here would know.
Has anyone heard of this ticking? Or know what the below item is?
Thanks in advance
R


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[r5gtt]

Now that would be your auxiliary fan belt tensioner.

Get a 15mm long spanner on it and pull towards you to see if it is free as it contains a spring load for the belt.
Whilst stationery, rev the car gently with bonnet open or get someone to do that for you and have a listen for the noise as that shouldn't make a ticking noise.
That engine bay looks different to mine as the battery is located behind the headlight and mine is located at the rear where your header tank is 

[raz469]

Thanks mate. Would sh*t have to come out to get it changed?:s


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[r5gtt]

No mate, just the tensioner itself and the belt would need to be refitted of course 

[Scottymon]

You got some sort of racing battery fitted?

As above though, most likely AUX pulley, tensioner or ALT.

I replaced my alternator a few weeks ago for a second hand one from ebay £20 with pulley, spins fine and bearings good too, at that price mad to buy new; easy DIY.

[skard]

I have changed a few alternator pulleys over the years, easy to change with a tool like http://www.ebay.co.uk/ulk/itm/262127529746

I have found GSF car parts stock the original INA pulleys for a better price.

[r5gtt]

Is that even a golf as the fuse box is missing 

[skard]

I guess it is a Google image pic mixed with some Paint skills

[doylebros]

This will help to prove if it's the alternator drive pulley -https://m.youtube.com/watch?v=fyosuYbPxr4

[r5gtt]

I guess it is a Google image pic mixed with some Paint skills

Probably as golf tfsi engine bays and slam panel do not look like that 

[raz469]

Thanks everyone for the advise. Gonna try sort it out this weekend with a mate weather permitting. @r5gtt that was from the net. But the tensioner was in the right place so didn't even notice the fuse box.
@scottymon. Funny you say that. I dont think so, the previous owner did change the battery and coil packs which I couldn't 100% understand why. The batt is a varta, nt sure of the rating


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[r5gtt]

@raz469 I think Scottymon meant the one from the picture where we got confused buddy 

coolio hope you figure the issue out and get it sorted 

[r5gtt]

Bump

[Hooton]

I have the same problem, changed all belts and tensioners and still got the rattle


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[r5gtt]

I have the same problem, changed all belts and tensioners and still got the rattle


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Check your alternator?.
Are you losing any coolant?.
Possible timing belt tensioner rollers or water pump?.

Have you checked your fuel pump cam follower as it maybe showing signs of failure which will result in fuel pump failure or even worse cam lobe failure!!!

Good to check it all or try get someone to have a look.