Question about Cars & Trucks
The tensioner needs replaced?
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Posted on Jan 02, 2017
SOURCE: Belt Tensioner replacement
A simple bolt on assembly, the tensioner for the serpentine belt may need replacement if it fails to smoothly pivot and maintain tension on the belt.
Using a half inch breaker bar, release tension by rotating against the spring, remove the belt from the tensioner. Unbolt the tensioner (one bolt may be so diffucult to reach that you might want to use a racheting open end wrench by Alden.
Install the new tensioner by reversing these steps.
I usually replace the belt at the same time.
Posted on Jul 02, 2009
Below is a diagram for the belts on your car. You will see to the right, an adjusting bolt. This loosens the tension to slide the belts on and off. Once the new belt is on, apply pressure to get the belt tight (a long flathead screwdriver or crowbar should do) and while tight, re-tighten the adjusting bolt.
Posted on Oct 18, 2009
Make sure you locate the Serpentine Belt Routing Sticker before you proceed. If not make an excellent drawing and take a GOOD Picture. Do NOT try to just remember how it goes back on Should be a 15mm wrench to loosen tensioner to remove belt. Locate mounting bolts to tensioner and remove, replace with NEW tensioner tighten bolts then use wrench arc torque about 15 degrees should snug it down, reroute belt then using 15mm pull tensioner to either side of belt to install belt in correct route. Remove all tools and body parts from engine bay. Do not start engine if anyone is in the vicinity of engine bay. Belt may fly off if you did not do it right and cause all kinds of shrapnell, if it doesn't fly off, visually inspect belt before starting and after, I would suggest being very careful before during and after starting to insure safety.
Posted on Jan 05, 2010
Yes you can. Just put the car on JACK STANDS, As you will need to raist the engine slightly with a jack to take the load off of the mount to remove it. Buy the new mount first, so you will see where the bolts go. BE safe and don't rely on a tire jack
Posted on Feb 02, 2010
Ok, Alternators are a breeze on these things. There are two bolts that hold it on, and 2 sets of wires. If you haven't taken anything apart yet, and the belt is still on it, here's what to do. You will want one of those rubber or elastic bungee cords, about 2 and a half feet long(this makes it easy). Hook that bungee cord to your hood somewhere, so that it hangs down. Hook the other end on the serpentine belt right next to the alternator pulley. If you need to prop the hood up with a stick or something to keep it up, do so. Pull up on the belt, and watch the pulleys. The one that probably has a plastic pulley on it that moves up and down(this is the tensioner) is the one that you'll put a deep well socket in the middle of with a ratchet, and turn counterclockwise. This will make the belt go loose. Now you can work the belt off the alternator pulley, and once you get it off, the bungee cord will keep it in place, so you don't have to look at the diagram. Otherwise, if it comes off, there is a sticker just under the hood either on the fan shroud or the radiator support that has the belt diagram. Now, you can disconnect the battery, pull the rubber boot down off the nut and post on the back of the alternator, remove the nut and wire, and then unhook the wire from the side of the alternator. Now, you can remove the two bolts that hold the alternator on. You Will need to pry the alternator off at this point, as it fits really tightly in place. A socket extension or a large flat screwdriver works really well for this. Once you get it off, put the new one on exactly as you took the old one off. Note, you will have to release your tension on the tensioner at some point; i just ease it down, or if I can pull it off, wedge it somewhere where it won't loosen very far. Remember, on the tensioner, you're not trying to take the nut off. All you're doing is using it to move the tensioner arm. That's all there is to this job. Sometimes it can be stubborn with the prying part, especially getting it into place. Hope this is what you're after, and if you need more info, leave a comment for me.
Posted on Feb 22, 2010
Testimonial: "Great advice on the bungee cord!! Well written advide and easy for a novice to follow. Thanks"
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