How to tighten alternator belt

You want to be able to press down on the belt at a mid point between two pulleys and only be able to move it downward about 18 to 14 inch. Insert the pry bar above the alternator.

Insert the pry bar above the alternator pulley.

How to tighten alternator belt. How to adjust a Alternator Belt on most old vehicle. So easy a girl can do it. Wait my wife does it in this video so lets watch my wife tighten the Alternat.

Loosen the nut and bolt after which you will have to set the alternator against the belt. Now you need to tighten the slider bolt and the tensioner lock bolt. You even need to check the tension in the belt while tightening it.

Tighten the bolt until there is about 12 inch of slack on the belt. Tightening the Drive Belt with the Alternator Disconnect the battery. Loosen the bolts attaching the alternator to the bracket.

Use a piece of wood as a pry bar to increase the tension on the belt. Tighten the alternator bolts in the new location. Check the belt tension.

The alternator belt can also be referred to as the serpentine belt or the drive belt. It shouldnt however be confused with the timing belt. Tighten the alternator bolts.

With the serpentine or alternator belt safely seated on the alternator pulley use the same wrench you used to loosen to the bolts to tighten them again. Pull the alternator away from the engine until the belt is tight. You want to be able to press down on the belt at a mid point between two pulleys and only be able to move it downward about 18 to 14 inch.

When you have the alternator in the right position have an assistant tighten the top bolt and nut to lock the alternator in. How do I adjust the tension on my alternator belt. Insert the pry bar above the alternator pulley.

Apply gentle pressure upwards so that it adds tension to the drive belt. Once the drive belt is moved into its desired tension tighten the adjustment bolt to lock the belt in place. Answer 1 of 3.

Since you gave no information on the make and model of your vehicle I am going to assume it is a modern vehicle like no more than 20 years old. Most vehicles have what is called a serpentine belt. It is a single flat-ribbed belt used to.

Mine squealed on start up after changing tightened it up a hair then it chirped when cranking tightened it up a hair more and its all good. Losten the bottom bolt which is a booger until you get the feel of it then loosen the top and push alternator ttoward the front of the xb to tighten. What you want to do is use the prybar to get the belt tight enough then tighten down the bolt that the alternator pivots on.

After you do that then youll tighten the bolt that is in the slot restricting any back and forth movement. Finally you would tension that last screw that is supposed to keep things from moving. How much does it cost to tighten an alternator belt.

You want to be able to press down on the belt at a mid point between two pulleys and only be able to move it downward about 18 to 14 inch. When you have the alternator in the right position have an assistant tighten the top bolt and nut to lock the alternator in. How To STOP ALTERNATOR BELT Squeaking Chirping Noise FOREVER.

The other end of the alternator will be attached to a slotted slider which allows the alternator to change position to tighten or loosen the belt. Loosening the alternator bolts. Loosen the pivot bolt as well as the bolt that goes through the adjustment strap.

This should relax the alternator and allow some movement. Add tension to the drive belt. Insert the pry bar above the alternator.

Probably change it first the timing belt too as its easier to do them together. On the Sei the whole alternator tensions it. Unbolt both bolts either side move it till the belt is tight and do both bolts up again.

The one bolt is very easy to tighten the other took me my dad and several sockets and spanners to tighten. Loosen the bolt in the small block so it doesnt clamp then tightening the bolt on the bracket should tighten the belts then tighten the bolt. Install the alternator to the vehicle and connect the wiring harness.

Install the alternator support bracket to the vehicle and tighten the bracket mounting bolts to specifications. Position the alternator on the mounting bracket. Install and tighten the mounting bolt and nut to 17 ft.

Reinstall the drive belt and adjust the tensioner until the proper belt tension is achieved. Use a large straight screwdriver pry bar or other appropriate tool to tension the alternator against the belt. If you can use a strong strip of wood or hammer handle if it will fit.

Ideal pressure areas will vary with your rig. Dont place the pry on any part of the alternator or engine which could be damaged by the pressure. I put in the rebuilt alternator today about 15 minutes to fit and tighten the belt.

I used a medium prybar to lever the alternator to tighten everything. It did involve what I call the reverse Lotus position. Head in the engine bay feet somewhere sideways and my bum high up in the air.

I hope nobody took pictures. Adjust the belt as needed from the adjustment bolt until the slack in the belt is no more than a 12 inch. How tight does an alternator belt need to be.

The required measure of tension in the serpentine belt is that it should not deflect more than ½ inch when twisted either way from the middle.