How To: Change Serpentine Belt (2.2) - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 26 (permalink) Old 04-06-2010, 08:21 PM Thread Starter
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How To: Change Serpentine Belt (2.2)

This is how you change your serpentine belt on your 2.2


Tools Required:


Flat head screwdriver
7mm socket (for removing the inner fenders)
10mm socket (this is needed for 1 bolt on the lower inner fender)
18mm socket
15mm socket
3/8 drive breaker bar


Step 1) Start by jacking the car up on the passenger side and remove the tire. Place a Jack stand on the sub-frame to support the car.

Step 2) Sorry, I didn't take pictures of this. IT is pretty self explanatory once you see the bolts. Now start to remove the inner fender that attaches to the front bumper. 7mm bolts and push clips. Once you have all the bolts and push clips removed, just bend it back and tuck it behind the hub. Now remove the lower splash guard. 7mm bolts and push clips. (sorry no pictures of this either...it's self explanatory once you see it)

Step 3) Take your jack and a block of wood and place it underneath your oil pan to support the engine. Jack the jack up until the wood is touching the bottom of the pan. Once you have made contact with the pan, jack it up just a smidge that way you know the engine is supported.

Step 4) Remove the Engine mount. The 2 outside bolts are 18mm and the 3 inner ones are 15mm.







Step 5) Now that everything is out of the way you can finally change the belt.
Take your 3/8 drive breaker bar and insert it into the tensioner from the topside. The little square hole in the middle of the tensioner




Now from the underside (second hand/helper is needed) Remove the old belt by slipping it off the pulleys. Remember how the belt runs.

Now with the old belt off, match it up to the New belt just to make sure they are the same size.



As long as everything is kosher, go ahead and install the new belt the same way you removed the old one.

You can see the pics as to how the belt runs incase you forget.












Disclaimer: This is how we did this. Your failure to have common sense when Jacking the car up and supporting everything properly is your fault, not ours or YC's. Just be smart.



Any questions, just ask.

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post #2 of 26 (permalink) Old 04-06-2010, 10:04 PM
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cool Mike! adding to the library
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post #3 of 26 (permalink) Old 04-06-2010, 10:04 PM
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Good job

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post #4 of 26 (permalink) Old 04-08-2010, 11:49 AM
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is this the same routine as on the 2.4?

oh and sorry for my utter ignorance but is that the same belt that is the timing belt? or is a chain?
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post #5 of 26 (permalink) Old 04-08-2010, 11:53 AM Thread Starter
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Quote:
Originally Posted by StevoElsupremo View Post
is this the same routine as on the 2.4?

oh and sorry for my utter ignorance but is that the same belt that is the timing belt? or is a chain?
I sure it is the same. I just have never looked at a 2.4. It would be nice if someone with a 2.4 would look so we can be certain.

Cobalts have a chain

Here is a pic of the chain from when I had my valve cover off.


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post #6 of 26 (permalink) Old 04-08-2010, 11:58 AM
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mabey i might do this on the week end

When should you change the timing chain?(ever? I heard belts are the ones that need replacing)

is it hard to do? theres no write up for it lol I just searched
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post #7 of 26 (permalink) Old 04-08-2010, 11:59 AM Thread Starter
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Quote:
Originally Posted by StevoElsupremo View Post
mabey i might do this on the week end

When should you change the timing chain?(ever? I heard belts are the ones that need replacing)

is it hard to do? theres no write up for it lol I just searched
I'll check up on the timing chain replacement recommendation.

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post #8 of 26 (permalink) Old 04-08-2010, 12:18 PM
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after some poking around I found the chain should last the life of the engine, but the chain tensioner bolt should be replaced every 100k miles
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post #9 of 26 (permalink) Old 08-10-2010, 09:34 PM
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does anybody know how hard is it to change the alternator belt my broke the car while driving
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post #10 of 26 (permalink) Old 08-10-2010, 09:36 PM Thread Starter
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Quote:
Originally Posted by Rawley_12003 View Post
does anybody know how hard is it to change the alternator belt my broke the car while driving
Follow this How to...

It's the same belt.

1 belt runs everything.


Or are you asking how to change the alternator it self?

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