How to change an alternator belt

Step 4 - Install the New. To replace the alternator follow the same steps in reverse.

Check the accessory drive belt to ensure its got enough tension to spin the alternator pulley without slippage occurring.

How to change an alternator belt. How to replace alternator belt if the air conditioner is broken you can use a short serpentine belt without air conditioning. How to Replace Alternator Belt in 5 Steps. Step 1 - Check the Alternator Belt.

It is a good idea to check if the alternator belt needs replacing before you decide to do something on it. Step 2 - Release the Tension. Step 3 - Get Familiar with the Alternator Belt.

Step 4 - Install the New. Get the new alternator belt and run it through the pulleys in the same way as the old belt snaking it around the alternator pulley last. Use a wrench to tighten the bolts on the alternator pulley to increase the tension on the belt.

Apply tension to the alternator with a pry bar if necessary. If your vehicle does not have an auto-tensioner pulley apply pressure to the alternator using a large screwdriver or pry bar until the belt is tight. Place the pry bar between the alternator and the engine and push the alternator out away from the engine.

Every project has a tough spot and this is the tough spot for alternator replacement. Remove the belt from the pulley. Somewhere on your vehicle there is a tensioner pulley.

Youll need to move it enough to slip the belt off the pulley. Our 95 GMC has a standard spring-loaded GM tensioner that required us to pull it back with a wrench. Start the alternator swap-out by disconnecting both battery cables from the battery.

Then remove the wires and cables from the back of the alternator Photo 2. Next remove the alternator belt Photo 3. Then remove the two alternator retaining bolts.

The bolts are really long and youll be cranking for a long time. This video shows how to replace the alternator on a typical Toyota V6 vehicle engine type 1MZFE or 3MZFE. This would include the Camry Avalon ES300 ES.

The alternator belt may solely operate the alternator or it may also drive other items such as the water pump air conditioning compressor and the power steering pump. When the belt is loose frayed or broken the alternator isnt able to generate electricity to charge the car battery causing poor operation of electrically powered accessories. The replacement cost of an alternator belt is typically between 100 and 200.

The part cost is between 25 and 80 while the labor cost is between 75 and 120. The true replacement cost will depend on how long it takes the mechanic to access your alternator belt. Average Alternator Replacement Cost.

What your need to do is remove the 2 nuts on the inside front of the cab. Then flip the cab backward you may need a helper pushing up the cab. Make sure the safety locks on the right side of the cab when you get it up.

Then you can craw in to the front side of the alternator and loosen it. If the alternator belt has come off just pull it off the top pulley. Make sure you pull out any other scrap ripped up bits of belt inside the housing.

If its still on you can wedge a piece of stiff plastic into the belt and turn the alternator around with your 34mm or adjustable wrench. Or a socket but a socket driver wont work for putting on the new belt. Remove the alternator belt.

Remove the bolt that holds the alternator onto the armature bar that attaches it to the engine. To replace the alternator follow the same steps in reverse. The alternator belt or drive belt is a rubber belt up to 160 cm long and is responsible for transferring power from the engine to the auxiliary units.

In addition to the alternator the alternator belt also operates the power steering the water pump the hydraulic pump and the fan. Feed it around the AC compressor and alternator. Pull the friction wheel tab and slip belt over crank pulley.

Press up on the tensioner pulley just enough to disengage the retaining pin and it should pop out. The tension should be back in place on the new belt once you stop pushing on the tensioner. Check the accessory drive belt to ensure its got enough tension to spin the alternator pulley without slippage occurring.

After starting the engine touch the positive lead of the multimeter on the positive terminal of the battery. Then touch the negative multi-meter lead to the negative battery terminal. Insert a wrench onto the cast hexagon on the drive belt auto tensioner and release the tension by slowly turning in the direction shown in the figure.

Remove the generator drive belt. With the intake out of the way use a pair of diagonal cutters to cut the drive belt then pull the old belt out. Next use an E12 socket to remove the idler pulley that sits on the water pump.

Use an E14 socket to remove the pulley below the engines water inlet. Below the second pulley is the belt tensioner.