I need to replace my serpentine belt. Which pulley do I loosen?
For a 94 Jeep grand cherokee, the tension is controlled through a long bolt on the power steering bracket. The bolt is about 6 inches long, located underneath the power steering on the driver side. Lossen the lockbolt holding it in place, as well as the Power steering attach bolts, and turn the long bolt to tighten/loosen. I believe these are all 13 mm bolts.
There is a tensioner pulley that you can either push down or pull up. It does not loosen.
SOURCE: need to install serpentine belt on 2001 Buick Lesabre
There a few different layouts for that car year and model so here is a link and you will find what you need .. Thanks for using FixYa and please rate me a FixYa .. Crayz
SOURCE: NEED TO ROUTE SERPENTINE BELT AROUND SEIZED AC PULLEY ON 2001 TAU
Some Parts Stores Have A/C Bypas Belts you should call around
SOURCE: how do you loosen the serpentine belt
That wasn't right though. There is a 1/2 slot for a 1/2 inch breaker bar and when two holes are lined up you stick a drill bit or similar peice through to lock it in place till you get the belt routed then pull back alittle bit on the breaker bar to remove tension from the drill bit . Remove the drill bit and release tension on breaker bar and remove it to put tension on the belt.Then check alignment , positioning, routing of the belt visually.
SOURCE: Serpentine belt too tight to install
I had the same problem when trying to replace the serpentine belt on my 2001 Trooper. The Maintenance book was very vague and I couldn't tell exactly how the tension was taken off the belt, but it did clearly identify the tensioner pulley. I first removed the pulley and looked for some kind of slot that would give me the adjustment I needed, but no slotted adjustment is present on the 01 Trooper. I had to do some research so I pulled of the tensioner assembly and found that there is a spring coil which keeps tension on the belt constant, and eliminates any belt alignment problems.
The Litens style tensioner uses a spring to apply pressure towards the serpentine belt. The way to relax the spring is to use your 14mm socket and ratchet and force the pulley down by driving the pulley nut in the clockwise direction. This forces the spring to compress and the pulley to drop giving the needed clearance to get your new belt in place.
SOURCE: Cannot find the tensioner pulley to put my alternator back on
The smooth rounded tensioner pulley has a 1/2 inch drive recessed
ratchet drive fitting in the outer side of it. Reach down and feel it
with your fingers and insert the ratchet drive into it. Look around the
underside of the hood and engine bay for a small diagram showing the
belt, pulleys and tensioner.
This pulley is either a slider or a spring loaded pulley. If it
is a slider, there will be one or two bolts with "slide" areas that the
bolt can move through, and possibly a third bolt that controls the
tension. If it is a spring loader, there will be a pulley that looks
like it is on a lever. There will be a "bolt" type head, a hole for a
ratchet, or a square area on the end of the lever to twist it away from
the belt. If it is one of these, the belt tensioner will move
relatively easy.
Locate the two belts on the left side (passenger side) of your Mitsubishi Lancer. The outer belt is a serpentine belt, operating four pulleys and the inner belt is your alternator belt.
Follow the serpentine (outer) belt to the three pulleys lined up vertically near the front of the engine compartment. Locate the middle pulley, which is the tension pulley for the belt.
Loosen the bolt on the middle pulley with a socket wrench by turning counter-clockwise. Do not remove the bolt, just turn it a couple of times. Loosen the tensioner bolt on the side of the of the pulley, facing the front of the vehicle.
Remove the serpentine belt and then loosen the bolt on the alternator. With the alternator loose, move it forward so that the alternator belt loosens up and then remove belt from the pulleys.
Install the new alternator belt by placing it over both inside pulleys. Tighten the tension on the alternator belt by moving the alternator back and keeping tension on it by holding it back with a long screwdriver. While the alternator belt is tight, use a socket wrench to tighten up the bolt on the alternator.
Place the serpentine belt back on the pulleys and then use a socket wrench on the bolt on the front of the tension pulley. Once the serpentine belt is tight, tighten up the bolt in the middle of the tension pulley.
Start the Mitsubishi Lancer's engine to test the alternator belt and make sure it is working properly. Once you have verified it is working, turn the engine off.
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