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Author Topic: Cambelt Tensioner Failure 10k early?  (Read 3607 times)

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tunnie

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Cambelt Tensioner Failure 10k early?
« on: 30 October 2009, 08:57:59 »
Started the 2.2 this morning to a very nasty noise, sounded a bit like failing SAI pump, but it continued to stay the same. I thought it might be the alternator, as the sound was not constant, it sounded like a stone or something might be in it, as there was sometimes a scraping/rotating sound, but then it would go into a loud squeel, then silence. Then back to squeel again.

Turned around and drove back to steal borrow mother tunnies Elite.

This was 6am in the morning but decided to have a quick gander, stopped and started the engine, noise was there. (top left hand side as you look at the engine, very close to the alternator)

I quickly popped off the Aux belt, and started it again, the noise remained  >:(

So its either the cambelt rubbing? But the sound is metalic  :-?

So only thing i can think of is a failing tensioner?  :-/

EDIT - Was full GM cambelt kit & is 27k / 2.5 years old.
« Last Edit: 30 October 2009, 09:08:59 by tunnie »
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ENFIELD_MV6

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Re: Cambelt Tensioner Failure 10k early?
« Reply #1 on: 30 October 2009, 09:01:45 »
that dont sound to good tunnie, be carefull running it if it is the tensiosner failing just in case it lets go matey :y
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tunnie

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Re: Cambelt Tensioner Failure 10k early?
« Reply #2 on: 30 October 2009, 09:06:38 »
Quote
that dont sound to good tunnie, be carefull running it if it is the tensiosner failing just in case it lets go matey :y

Thats why i turned around, i thought i was alternator when i stopped at the side of the road, i turned back anyway cause if that let go it would take the aux belt and leave me without power!

Damn glad i did turn around now as it looks cambelt related  >:(
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ENFIELD_MV6

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Re: Cambelt Tensioner Failure 10k early?
« Reply #3 on: 30 October 2009, 09:11:57 »
Quote
Quote
that dont sound to good tunnie, be carefull running it if it is the tensiosner failing just in case it lets go matey :y

Thats why i turned around, i thought i was alternator when i stopped at the side of the road, i turned back anyway cause if that let go it would take the aux belt and leave me without power!

Damn glad i did turn around now as it looks cambelt related  >:(

sounds strange that it may be failing seeing as it was done not that long ago really, unless it is a defetive part ??? but if it was surely it would have showed signs before now, i am curious now what it could be, bit worried as the cambelt on mine was changed 2 years ago and the car has only covered 2.5k since fitting(done before i bought the car)
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mark.adams

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Re: Cambelt Tensioner Failure 10k early?
« Reply #4 on: 30 October 2009, 09:18:11 »
I suppose you could spray oil into the tensioner to eliminate it from the equation, especially if you're going to replace it anyway but thats a bit rough if it has only lasted 2.5 yrs...
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Marks DTM Calib

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Re: Cambelt Tensioner Failure 10k early?
« Reply #5 on: 30 October 2009, 09:44:09 »
Could also be water pump or aux belt tensioner.
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tunnie

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Re: Cambelt Tensioner Failure 10k early?
« Reply #6 on: 30 October 2009, 09:49:22 »
Quote
Could also be water pump or aux belt tensioner.

Waterpump is very low down on the 4 pots, noise was quite high up? But i'll check it  :y
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TheBoy

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Re: Cambelt Tensioner Failure 10k early?
« Reply #7 on: 30 October 2009, 09:53:31 »
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Could also be water pump or aux belt tensioner.
noise still there with aux belt off, so would imply cambelt related?
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TheBoy

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Re: Cambelt Tensioner Failure 10k early?
« Reply #8 on: 30 October 2009, 09:54:26 »
was pump changed with cambelt?
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tunnie

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Re: Cambelt Tensioner Failure 10k early?
« Reply #9 on: 30 October 2009, 09:57:21 »
Noise still there with auxbelt off, the tensioner has no power, so that should not spin with engine on?

Yes water pump replaced, i noticed orginal had metal blades, new one had plastic  >:(
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TheBoy

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Re: Cambelt Tensioner Failure 10k early?
« Reply #10 on: 30 October 2009, 10:02:55 »
Quote
Noise still there with auxbelt off, the tensioner has no power, so that should not spin with engine on?

Yes water pump replaced, i noticed orginal had metal blades, new one had plastic  >:(
I guess pop the belt off, and visually examine tensioner  :-/
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tunnie

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Re: Cambelt Tensioner Failure 10k early?
« Reply #11 on: 30 October 2009, 10:27:09 »
Quote
Quote
Noise still there with auxbelt off, the tensioner has no power, so that should not spin with engine on?

Yes water pump replaced, i noticed orginal had metal blades, new one had plastic  >:(
I guess pop the belt off, and visually examine tensioner  :-/

Guess so  :-/

You about tommorow?
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JamesV6CDX

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Re: Cambelt Tensioner Failure 10k early?
« Reply #12 on: 30 October 2009, 10:41:52 »
When did we do this belt - Feb 07 wasn't it?

Tunnie, whatever you do, don't start the engine until it's been checked...

As you saw, it was all fitted / torqued correctly (else it wouldn't have done 27k!) so maybe a faulty component?

Happy to look FOC if it helps mate.
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Kevin Wood

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Re: Cambelt Tensioner Failure 10k early?
« Reply #13 on: 30 October 2009, 10:44:34 »
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When did we do this belt - Feb 07 wasn't it?

Yep. My first cam belt party. That's when you two got intimate on TheBoy's kitchen floor. Thought it'd be more memorable? :-X

 ;)

Kevin
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JamesV6CDX

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Re: Cambelt Tensioner Failure 10k early?
« Reply #14 on: 30 October 2009, 10:49:12 »
If the kit's only got 13k left, and you're taking it off - may as well just replace it?  :-/
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