Created on: 2018-10-12
How to repair, install, fix, change or replace a broken, noisy, squeaky, worn or groaning serpentine belt tensioneron 03, 04, 05, 06, 07, 08 Mazda 6
- step 1 :Removing the Serpentine Belt
- Familiarize yourself with the route of the serpentine belt
- Insert the serpentine belt removal tool into the tensioner
- Turn the tensioner clockwise to loosen the belt
- Pull the belt off the nearest pulley
- Release the tensioner
- Pull the belt off by hand
- step 2 :Reinstalling the Serpentine Belt
- Loop the belt around the crank pulley
- Bring it around the A/C Pulley
- Bring it around the water pump
- Bring it under the mount
- Bring it around the belt tensioner
- Pull the belt over the alternator
- Pull the tensioner clockwise with the serpentine belt tool
- Pull the belt over the water pump pulley
- Release the tensioner
Hi, I'm Mike from 1A Auto. We've been selling parts for over 30 years.
Hi, everyone. Sue here at 1A Auto, and today we're putting a serp belt/drive belt on an 07 Mazda6 Sedan with a 2.3 liter in it. So if you need any parts for your car, click on the link below and head on over to 1aauto.com.
Open the hood, the hood release is right here by the driver's knee kick panel, and just pull on it.
Safety lock is in the center, I'm just going to put my finger in there and turn it towards the driver's seat. Lift her up, then you have the hood prop, the indicator's with the arrow. And you just put the hood prop right in.
So I've put the serp belt tool on the tensioner, which is located right below the alternator on the pulley system. It is a 15-millimeter socket or wrench. You're going to push down or make it go counterclockwise in order to loosen the tensioner up, so we can take the belt off.
Now the serp belt tool will come up, and the belt's off.
To start with, we have the diagram, the serp belt diagram, and we're going to follow it. Put the belt on the crank first, and then around the A/C pulley. And I'm going to go around the water pump pulley, because I definitely want it on the tensioner. And put it together from the top over here, so then the belt runs underneath that mount, goes down on the tensioner and up on the alternator.
Okay, now with the tool I'm going to push the tensioner down and slide it over the water pump pulley. Once we get the belt on, take the pulley off.
Thanks for watching. Visit us at 1aauto.com for quality auto parts, fast and free shipping, and the best customer service in the industry.
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Joined Sep 18, 2013
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17 Posts
Discussion Starter · #1 · Oct 22, 2013
I need to replace my belt tensioner soon, mechanic said it is 'notchy', whatever that means. Is there a diagram on here for the belt layout and tensioner location? Got them to look at it because it was squealing on cold starts. Google images shows me a bunch of different diagrams. Has anyone done this before on a 3.0L?
Joined Aug 20, 2007
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2,572 Posts
Replacing the belt isn't too bad, I can do it in under 1/2 hr now including getting the car up on jackstands and pulling the wheel off. Haven't done the tensioner yet, but there's not a ton of room to get to it (ratcheting wrenches with swivel heads will be your friend here). I think its 2 8 or 10mm bolts that hold it on. Would be in your best interest
to replace the belt as well when you have it apart tho. I don't know the part # for the belt (as I have the Fluidampr crank pulley and it's a shorter belt), but replace it with a Goodyear Gatorback (any parts store should have it) and you'll be good to go. This is the correct graph.
Joined Sep 2, 2012
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2,660 Posts