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Is there a sure fire way to self diagnose if I need a new dephaser pulley?



  RB FF 182
Hi All,

Got a big hunch that I may need a new dephaser pulley... sounds like a diesel etc... and theres no "kick", more of a flat spot at 5-6k. Still pulls nicely though. Idle is pretty smooth for a 1*2 etc... etc...

I work 6 days a week, and have no holidays at all this year so I can't pop to see Fred, even though I'd love to, I'm sure his trained ear would tell me straight away whether to worry or not!! I've got money to get it replaced if needs be.

I don't want to waste Freds time by booking it in (around Christmas if he's open as this is the only time I'm off! LOL), and it being fine... Is there any way to find out for sure if it's on its way out my self?
 
  V70 d5 beast
is there a loud ticking/tapping noise form the top of the cambelt area at idle? does it do it when its cold/warm/hot?
sticky tappets? injectors?
 
  monaco 172
Does it only do it when cold? My dephaser sounds a bit grindy on a cold start but as soon as the oil has warmed up it sounds sweet as a nut.

Has your car been mapped at all as that will loose you the kick at 5k itl just pull harder throughout
 
  RB FF 182
Hi guys. Typical diesel sounding engine when cold/hot. I'll have a listen for a tappet noise!

I don't think it's been mapped, I certainly haven't had it done.

There is the occasional judder from the engine when idling on traffic, otherwise completely smooth idle.

I might be just being paranoid but if it goes I'm knackered. Haha.

I'm assuming from your replies there's no definate way to tell without getting a professional to take it apart and have a look?


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  V70 d5 beast
If you get a video of the noise would be very helpful or you can search you tube and find one on there to see if it's the same as yours
 
  RB FF 182
Hi guys,

I'll upload a vid soon.

Do you open weekends Fred? I work Monday to Saturday. :-(

Cheers.



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Gaz_

ClioSport Club Member
  Extreme mode
They are only noisy at idle when the oils warm............ also when revving the engine the noise disappears over 2k
 
  V70 d5 beast
They are only noisy at idle when the oils warm............ also when revving the engine the noise disappears over 2k
heard this on a 172 a few months back, the owner didn't believe me when i suggested it as they just had the cambelt done, good job i walked away lol
 
  RB FF 182
They are only noisy at idle when the oils warm............ also when revving the engine the noise disappears over 2k

Sounds about right. Noticed a lack of power recently above 5k as mentioned. Got a k&n cleaning kit on the way as it's due a good clean (dont know how many miles it's done tbh).

Hopefully Fred will know what's going on.


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  Golf GTD Mk7
Just found this newly posted in the forum. Mine sounds like this... Don't like the look of the responses!!

Sorry for pinching it who Evers it is.

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Tell me about it. I've told the guy to go easy on me :S
 
  172 +Scenic sport
yeah thats my video m8 :cool: dont mind you using it if it helps sort this problem!!

Noise is coming from left hand side, cambelt area and does not sound healthy!
Also noticed this morning oil under the car also left hand side im guessing its come from the seal behind the dephaser but no real way of knowing without taking cover off
I was going 2 make a new video in daylight but dont want even more oil spilling out now!
Does this not seem too loud for the dephaser tho, i mean would could even cause it 2 make a noise like that :S

http://www.youtube.com/watch?v=S1idXAHpd2M
 
  RB FF 182
There's one on here louder that I saw. Hopefully Fred will see your post and comment.

If it's anything more than dephaser mines going down the scrap yard... Lmao.

Mines not leaking which is good! Didn't you get your belts done recently??


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  172 +Scenic sport
Yeah hope fred sees this lol

belts only done 4k ago max. Probs where this problem has stemmed from

If its not dephaser i will be breaking the car also lol
 
  RB FF 182
I just gave my K&N filter a proper clean with the cleaning kit and that seems to have made it a bit nippier.

I'll send you a message and let you know what Fred says mate.


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  172 +Scenic sport
im suprised that made a difference tbh mate, especially if your dephaser isnt working correctly :S u still getting 5k kick thru the revs?

Im not can totally tell its not kicking in, defos not getting the same pull after 5k
 
Last edited:
  RB FF 182
Just feels as though it breaths a bit easier through the range. To be fair, I don't think the filters ever been cleaned it was black!! The amount of shite that came out of it was crazy!!! Lol

Still no kick though, it definately used to be there!!


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