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Old 02-08-2014, 10:33 PM   #1
2.2ecotec
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Default 2.2 ecotec timing chain question

I pulled the valve cover off my 2.2 ecotec today to polish it. While doing so I noticed that the upper chain guide plastic piece broke. So I removed it. Is that piece needed or is it just to protect the upper guide
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Old 02-09-2014, 04:29 AM   #2
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Default Re: 2.2 ecotec timing chain question

The guide should be there IMHO. I can't really be specific to what will happen as I'm not 100% on why there is a top one...

Off topic... I'm trying to polish a valve cover now... oh boy... any tips? Or is this going to be to a hand buster?
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Old 02-09-2014, 11:53 AM   #3
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Default Re: 2.2 ecotec timing chain question

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The guide should be there IMHO. I can't really be specific to what will happen as I'm not 100% on why there is a top one...
Ditto to Frostman's comment. I don't know what will happen either if it's missing, but since the engine was designed with it's placement there I would not attempt to drive without it. (Of course, one can always decide to "roll the dice" in a situation like this if one so chooses...not a roll I'd choose to take.)
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Old 02-09-2014, 12:47 PM   #4
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Default Re: 2.2 ecotec timing chain question

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Off topic... I'm trying to polish a valve cover now... oh boy... any tips? Or is this going to be to a hand buster?
If u got a drill or dremmel get a polishing wheel. I did it by hand and it was hard. I started with a 220 grid sand paper, then a 330, then 800, then 1500 wetsand, then polished with mothers aluminum polish
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Old 02-09-2014, 01:17 PM   #5
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Default Re: 2.2 ecotec timing chain question

the chain gide is there to stop chain flex from cutting into the valve cover.. the fact that the plastic shoe is gone off of it is a very shure indacator that the chain has worn and needs to be replaced like testerday before is breaks up the statioanry guide on the intake side cutting into the head and block...
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Old 02-09-2014, 02:28 PM   #6
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Default Re: 2.2 ecotec timing chain question

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Originally Posted by satlite440 View Post
the chain gide is there to stop chain flex from cutting into the valve cover.. the fact that the plastic shoe is gone off of it is a very shure indacator that the chain has worn and needs to be replaced like testerday before is breaks up the statioanry guide on the intake side cutting into the head and block...
Most likely I broke it removing the valve cover. I heard a snap so that was probably it. Is it ok to run until tuesday when the part comes in
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Old 02-09-2014, 03:30 PM   #7
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Default Re: 2.2 ecotec timing chain question

Only if you want to risk emptying your wallet for a new motor
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Old 02-09-2014, 05:16 PM   #8
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Default Re: 2.2 ecotec timing chain question

What does it really do deside protect your valve cover. Ik nissan guys that remove them completely
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Old 02-09-2014, 10:57 PM   #9
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Default Re: 2.2 ecotec timing chain question

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What does it really do deside protect your valve cover. Ik nissan guys that remove them completely
Those tuners with their Damn timing belts! Ya I see that a lot too with the RB swapped motor 240's around here.

Speaking of valve covers... anyone know where to get new Valve Cover bolts?

Frostman- I thought I saw a bench grinder in the background of your nice shop setup. That's your best bet for polishing. You need lots of heat and rpm for polishing metal.
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Old 02-10-2014, 10:55 AM   #10
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Default Re: 2.2 ecotec timing chain question

I wish i had a polishing wheel on a drill or bench grinder when i polished mine. But im in school and had to do it in the college parking lot. so it has some spots still on it
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Old 02-10-2014, 11:10 AM   #11
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Default Re: 2.2 ecotec timing chain question

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What does it really do deside protect your valve cover. Ik nissan guys that remove them completely
It guides the chain

YOu don't drive a nissan
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Old 02-10-2014, 12:18 PM   #12
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Default Re: 2.2 ecotec timing chain question

it is there to absorb the inherent flexing/springing action of the cam shafts due to the lobes in diferent open/closeing times to work together and help stop chain skips if the tensoner gets weak or the chain streches...it's your car do as you will... but it's never to late to replace it till it skips time or breaks... then it's too late
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Old 02-11-2014, 09:01 AM   #13
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Default Re: 2.2 ecotec timing chain question

LOL That bench grinder in my basement is a 30+ year old Flemming Grey skate sharpening machine. If my dad ever saw me using it to polish anything he would surely remove my ability to procreate! LOL

And I will have to get a better grinder/polishing tool. I have an air one, but the compressor we have is not large enough for it and the little electric one I have is too small. Oh well, I certainly have bigger things to be doing before I make her pretty ;p
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Old 02-11-2014, 08:19 PM   #14
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Default Re: 2.2 ecotec timing chain question

part came in today and its put on the car. i had to drive the car a mile to get the part and everytime i let it idle i heard the chain hitting the metal. so at lights i had to put it in neutral and rev it up. when i took the old one off u could see where the chain hit the metal on the upper timing chain guide
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Old 02-11-2014, 08:59 PM   #15
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Default Re: 2.2 ecotec timing chain question

Thanks to you - not jokingly nor with any other subtext in mind - we can know how important that item is. I appreciate the post!!
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Old 02-12-2014, 12:03 AM   #16
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Default Re: 2.2 ecotec timing chain question

you better take a very bright flashlight and look down the intake cam side and look to see if you havent broken off the upper statioary guide from it's bolt.. bet you have...
...
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Old 02-12-2014, 12:35 AM   #17
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Default Re: 2.2 ecotec timing chain question

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Originally Posted by 2.2ecotec View Post
part came in today and its put on the car. i had to drive the car a mile to get the part and everytime i let it idle i heard the chain hitting the metal. so at lights i had to put it in neutral and rev it up. when i took the old one off u could see where the chain hit the metal on the upper timing chain guide
WOulda coulda shoulda... fast walk- 15 minutes for that mile. DOnt do that again.

COnsider changing your oil after you figure out what else is broke..
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Old 02-12-2014, 11:38 AM   #18
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Default Re: 2.2 ecotec timing chain question

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Originally Posted by satlite440 View Post
you better take a very bright flashlight and look down the intake cam side and look to see if you havent broken off the upper statioary guide from it's bolt.. bet you have...

y would i of done that.
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