V6 4Runner has a 14mm bolt on the top of the alternator and a 12mm bolt on the bottom of the alternator.
Loosen both of these bolts.
Look through the drivers side wheel well and you will see another 12mm bolt below the alternator. This is your tension adjustment bolt. Tighten or loosen as needed.
After proper tension is achieved tighten the upper and lower alternator mounting bolts you loosened earlier.
Loosen alternator remove old belt. Reroute new belt, tighten alternator.
Loosen the tensioner bolt on your alternator. Slide the alternator to the left. Remove the alternator belt. Put the new alternator belt on and tighten the tensioner bolt.
Usually there is a adjusting bolt an the alternator or steering pump or ac pump, u have to loosen the bolts holding the alternator,2, and then tighten the ajusting bolt, if if got no bolt to adjust then use a prybar to push on alternator as u do the belt will tighten, hold it there and tighten the bolts.
There is a tensioner bolt that is connected to the alternator. You have to screw in the bolt, which will pull the alternator out and tighten the belt.
You will need to loosen the tensioner pulley. Put the alternator belt on. Push the tensioner pulley to the left until the alternator belt is tight. Tighten down the tensioner pulley.
What belt? Drive belt is easy, just loose the 3 bolts on the alternator, pry the alternator forward, put the new belt on, pry the alternator back, and tighten the bolts. Power steering belt is much more difficult.
Serpentine belt? You may have to remove to tighten alternator
You need to remove the old belt from the power steering pump. Then loosen, not remove the bolts on the alternator. Slide the belt over around and through the fan and onto the belt grove for the alternator. Then with a large bar push the alternator away so it tightens the belt. Later if not tight the belt will squeal. While putting pressure on the alternator tighten the bolts. Reinstall the power steering belt in the same way but you can tighten the belt on this one using hand pressure rather than the bar.
Loosen the bolt that holds the alternator to the bracket. Tip the alternator toward the enginge. Place a new belt on, making sure you catch all of the pulleys. Pivot the alternator away from the engine to tighten the belt. When belt is tight, re-secure the bolt you loosened earlier.
To tighten the alternator best on a 240sx, loosen the bolt on the alternator on the drivers side. Pull on the alternator away from the engine to adjust the belt. When it has no more than a quarter inch of give, tighten the bolt to finish.
how do u tighten up an alternator belt on a 1987 BMW 325i?Answerhow do u tighten up an alternator belt on a 1987 BMW 325i?
depending on the style of belt, on the alternator belt there is an adjustment just below the slider holding the alternator, you just simply tighten it until belt becomes tight.