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Old 01-02-2018, 06:03 PM   #1
07vue2.2
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2007 VUE 2.2L
Happy New 07 vue 2.2

Glad to be on here, thanks for the add. First saturn ever and I have a few questions.
1. On cold start of my 2.2 ecotech I notice a ticking noise from it sounds like the timing chain area. I read that the culprit could be the timing chain tensioner. Replaced it no difference but I did have the so called faulty old style of tensioner. The 2.2 is noisier just before 2000 rpm. But once it warms up I can't hear anything. It is cold here in PA. In the teens. Wanted to see if I could have someone with more experience with these 2.2s point me in the right direction if I should even worry at all.
2. How reliable is this 2.2 ecotech? Any other problems that arise with this engine I should know? I have heard horror stories and heard people getting over 200000 miles. The tensioner was the only bad thing I have found with research.
Thanks for your reply in advance.

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Old 01-03-2018, 09:43 AM   #2
underthehood
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2004 VUE 2.2L
Default Re: New 07 vue 2.2

If you look at for sale ads of Vues with the 2.2 engine (no matter the year) you'll see many of them pointing out "new" engine. Of course they aren't "new" (well maybe some of them. the one I had had a totally brand new long block) but mostly they're replaced engines.
There is a reason for this. The timing chain design (not just the tensioner) is a flawed design. IMO when this engine was first on the design sheet it was being designed to have a timing belt but someone put their .02 in and voted for a chain. I think had they opted for the belt it would have been a VERY solid engine. As good as anything out there.
The culprit IMO is the water pump being chain driven. They tend to weep a little and the pump itself tends to have slight bearing play and you have WAY excessive wear and tear on the chain.
To be sure the major redesign (in 2008 IIRC) took the pump out of the timing case and made it conventionally driven by the serpentine belt. Funny you NEVER see "replaced" engine on newer (2008 and up or Captiva models with the 4 cyl) GM found it's smoking gun.
So the longevity of this engine (or lack of) really depends on how well the water pump is holding up IMO. My guess is to treat it like one in a timing belt engine. Replace it every 100k and call it a day.
If you already are getting noises perhaps doing the whole job (chain, tensioner, water pump, etc) will help it along. I can tell you the Vue I had never made a sound cold or hot. I just decided to sell it once I discovered the flaw and also for other reasons

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Old 01-03-2018, 06:23 PM   #3
Claybury
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Default Re: New 07 vue 2.2

The L61 Ecotec is a solid engine. Any engine of Any make have there issues.

Regarding the noise, three things come to mind:
1) Ticking lifter. Leaks down when sitting and takes a bit to oil up again. Wrong viscosity oil or conventional oil at low ambient temps. Worn or sticking lifter.
2) Exhaust leak at the manifold. Manifold crack.
3) The secret TSB. Engines built between 4/1/06 - 11/1/06. Random batches had timing chains with poor heat treatment on the rollers. Look for wear or flaking on the rollers.

Use a stethoscope to isolate the noise location and go from there.
1) and 2) tend to go away once the engine warms up.

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Old 01-12-2018, 04:05 PM   #4
Tzfbird
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2007 VUE 2.2L
Default Re: New 07 vue 2.2

My 2.2 makes a little noise on startup and I have done the timing chain as well as the different style tensioner. It really didn't make a difference in the noise though. When I bought it the owner said was a replacement engine and I can verify that since it has the grease pen markings on it still.
It has an oil leak that needs fixed in the spring and if I forget the weekly oil level check and it gets dangerously low, the timing chain rattles. It gets quiet again after filling oil. Somehow I can't believe all the oil is leaking out and I suspect it is burning some as well.

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Old 01-21-2018, 09:48 PM   #5
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2005 VUE 2.2L
Default Re: New 07 vue 2.2

Quote:
Originally Posted by 07vue2.2 View Post
Glad to be on here, thanks for the add. First saturn ever and I have a few questions.
1. On cold start of my 2.2 ecotech I notice a ticking noise from it sounds like the timing chain area. I read that the culprit could be the timing chain tensioner. Replaced it no difference but I did have the so called faulty old style of tensioner. The 2.2 is noisier just before 2000 rpm. But once it warms up I can't hear anything. It is cold here in PA. In the teens. Wanted to see if I could have someone with more experience with these 2.2s point me in the right direction if I should even worry at all.
2. How reliable is this 2.2 ecotech? Any other problems that arise with this engine I should know? I have heard horror stories and heard people getting over 200000 miles. The tensioner was the only bad thing I have found with research.
Thanks for your reply in advance.
If it goes away after the car warms up then its probably related to the exhaust manifold. I had that issue and it was a snapped bolt holding the manifold. Once the car warmed up, it went away.

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