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#2226269 - 04/08/11 03:11 PM For anyone with a "ecotec" 2.2 liter engine...
sasilverbullet Offline


Registered: 08/22/04
Posts: 873
Loc: San Antonio, Tx
This is for anyone with a GM car that has this motor. the timing belt tensioner does not let enough oil flow through it to get to the timing chain at idle. It is a zero tolerance motor and will destroy itself without oil. I'm just hearing about this now on a chevy forum. my car has one.
be advised:
http://www.chevytalk.org/fusionbb/showt ... id/219345/
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#2226272 - 04/08/11 03:15 PM Re: For anyone with a "ecotec" 2.2 liter engine... [Re: sasilverbullet]
addyguy Offline


Registered: 09/08/05
Posts: 13429
Loc: Canada
Yet....I don't hear a lot of stories of Ecotec engines self-destructing. Ecotecs are one of the most reliable 4-cylinder engines produced recently.

BTW, your link doesn't seem to work.
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#2226281 - 04/08/11 03:29 PM Re: For anyone with a "ecotec" 2.2 liter engine... [Re: sasilverbullet]
johnnydc Offline


Registered: 03/23/11
Posts: 328
Loc: Rochester, New York
If this is true. Why don't they do more r/d on this new stuff to work out the bugs before it gets to the consumer? I'm all for buying american cars, but these guys need to be more thurough and find the design flaws before selling this stuff to us.
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#2226285 - 04/08/11 03:32 PM Re: For anyone with a "ecotec" 2.2 liter engine... [Re: sasilverbullet]
JustinH Offline


Registered: 04/17/04
Posts: 3258
Loc: Texas
This is more common on the earlier 2002-2003 models I believe. The ecotec is one of the most durable 4 cylinder engines that GM has put out in many years. I own two of them, and they both run like a clock.
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#2226290 - 04/08/11 03:41 PM Re: For anyone with a "ecotec" 2.2 liter engine... [Re: addyguy]
css9450 Offline


Registered: 01/03/04
Posts: 1626
Loc: Glen Ellyn, IL
Originally Posted By: addyguy

BTW, your link doesn't seem to work.


Here it is:

http://www.chevytalk.org/fusionbb/showtopic.php?tid/219345/

I'm not too concerned. For one, I have a 2006, and the article mentioned its just the earlier ones, and secondly, IF it were a widespread problem we'd be hearing about it constantly on this forum and elsewhere.

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#2226296 - 04/08/11 03:52 PM Re: For anyone with a "ecotec" 2.2 liter engine... [Re: sasilverbullet]
Cause4Alarm Offline


Registered: 03/04/11
Posts: 293
Loc: Maine
I've worked on many an ecotec....I have yet to see one jump the timing chain
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#2226309 - 04/08/11 04:30 PM Re: For anyone with a "ecotec" 2.2 liter engine... [Re: sasilverbullet]
Nick R Offline


Registered: 07/14/09
Posts: 10590
Loc: NEO
My aunt's 03 cavalier 2.2L Ecotec with ~160k miles had this happen. Tensioner broke, chain jumped and destroyed the engine.
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#2226310 - 04/08/11 04:32 PM Re: For anyone with a "ecotec" 2.2 liter engine... [Re: JustinH]
daves87rs Online   content


Registered: 02/23/09
Posts: 13530
Loc: Michigan
Originally Posted By: JustinH
This is more common on the earlier 2002-2003 models I believe. The ecotec is one of the most durable 4 cylinder engines that GM has put out in many years. I own two of them, and they both run like a clock.



You got it, and most of it was related to the 2002 J bodies.


I have three of the ecotecs, and I've had no issues in 8 years.


In fact, I'm just now replacing the serp belt on the 03....
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#2226318 - 04/08/11 04:39 PM Re: For anyone with a "ecotec" 2.2 liter engine... [Re: daves87rs]
mechanicx Offline


Registered: 10/23/09
Posts: 8576
Loc: Ohio
Even with the early models that have the old tensioner it's really not as bad as having to replace a timing belt. It's just that it is not as well known or expected.

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#2226330 - 04/08/11 04:52 PM Re: For anyone with a "ecotec" 2.2 liter engine... [Re: JustinH]
johnachak Offline


Registered: 12/08/10
Posts: 1590
Loc: L.I. NY USA
Originally Posted By: JustinH
This is more common on the earlier 2002-2003 models I believe. The ecotec is one of the most durable 4 cylinder engines that GM has put out in many years. I own two of them, and they both run like a clock.


+1 actually +3...
We have 3 of these in the family and they run sweet. 2007, 60000+ 2008, 70000+(not a typo) 2010, 15000+
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#2226636 - 04/08/11 09:49 PM Re: For anyone with a "ecotec" 2.2 liter engine... [Re: sasilverbullet]
ddean Offline


Registered: 05/10/05
Posts: 94
Loc: Laura, Ohio
Thru early MY '03 Ecotecs had a poorly designed timing chain oiler nozzle that does not oil well at low rpms and tends to plug up as well. The worst problems were from little old ladies that never went out of town or over 2k rpm and these chains could break well under 50k miles. Saturn made engines were worse than GM corporate engines made in NY and Saturn also used these engines in the 2000 and 2001 Saturn L series exclusively.

Do note that to this day GM has denied any problems and there are not even any TSBs on this problem. Saturn did do a "recall" but only 20k or so mid 2001 L series for "bad timing chain links" although the oiler nozzles were the defective component.

Before MY 2005 the original design timing chain tensioner had problems with loosing tension but from 2005 on these engines are golden. There may be a TSB for this problem but I am not sure. Very little or no oil usage in a GM four cylinder engine usually in a fair sized vehicle is great and high mileage engines rarely use oil as well.

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#2226902 - 04/09/11 08:43 AM Re: For anyone with a "ecotec" 2.2 liter engine... [Re: sasilverbullet]
Paulson Offline


Registered: 05/21/10
Posts: 348
Loc: Minnesota
Uh oh... girlfriend's parents have an ecotec 2.2 in a 2002 grand am...

I think it's got 130K on the clock... time for replacement?
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#2226960 - 04/09/11 10:42 AM Re: For anyone with a "ecotec" 2.2 liter engine... [Re: sasilverbullet]
Samilcar Offline


Registered: 07/11/08
Posts: 1478
Loc: Iowa
Does the newer design have a different part number? All of the replacement tensioners I see for sale look like the older style pictured in that link.

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#2228191 - 04/10/11 04:09 PM Re: For anyone with a "ecotec" 2.2 liter engine... [Re: addyguy]
Cutehumor Offline


Registered: 12/10/02
Posts: 8963
Loc: USA
Originally Posted By: addyguy
Yet....I don't hear a lot of stories of Ecotec engines self-destructing. Ecotecs are one of the most reliable 4-cylinder engines produced recently.

BTW, your link doesn't seem to work.


you got rid of your cavalier just in time! grin
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#2255646 - 05/09/11 09:07 AM Re: For anyone with a "ecotec" 2.2 liter engine... [Re: sasilverbullet]
artificialist Offline


Registered: 09/23/07
Posts: 6899
Loc: Florida
My 2003 Saturn ION had a failing piston ring at 90,000 miles. I had to sell it cheap.
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