Remove alternator pulley

Not only the easiest way but the only way to remove the centre pulley nut from your alternator. European style alternator pulleys (like Bosch alternators on VW, BMW and other makes) designed with a clutch built in, requires a specialty tool to remove and swap the pulley over to the. Hold the alternator pulley firmly.

Then remove the alternator belt from the pulley and alternator. Locate the four bolts that hold the pulley in place and attach it to the alternator. Sometimes, the bolts on alternator pulleys can be very stubborn and hard to remove , so you may want to use a penetrating spray such as WD-to lubricate the bolts so. Furthermore, when an overrunning alternator pulley has reached the end of its service life Gates recommends that all wear parts are replaced at the same time to ensure the best long-term solution.

It is also important to replace the overrunning alternator pulley when installing a new alternator. To remove a pressed-on pulley , a puller set is required. The tool needed for most other alternator pulley removal is a pneumatic or electric air gun.

There are many reasons that an alternator pulley might need to be remove though this operation is most commonly done when replacing the alternator. In many cases it is possible to remove and install the overrunning alternator pulley while the alternator is still on the engine. Special note when replacing overrunning alternator decouplers The plastic protective cap cannot be re-used after it has been removed from the pulley. A replacement cap is supplied with the new part. To replace the idler pulley , reverse the procedure.

If a slotted alternator bracket was loosened to relieve tension on the belt, use a pry bar to apply pressure to the position of the alternator , and tighten the bracket bolts. With the belt pulled off of the alternator pulley and the wires disconnecte the alternator should come out freely. You may need to wiggle the alternator around some things in order to remove it.

Replacing a pulley bearing on percent of alternators is a fairly benign task, the hardest part typically being the removal of the alternator. Some vehicles feature the alternator on top of the engine, and hence relatively easy to remove. The idiot electrician who installed it had dropped it and caused the pulley to be damaged but put it in the car anyway. Its possible, but not easy without damaging the alternator.

Tried every trick in the book to get my pulley off without using an impact wrench, and it was a no go. Using an electric impact wrench took all of seconds to loosen the nut, and putting it back on was a breeze. Insert allows alternator shaft to be held while the pulley retainer is removed with the key nut.

It is recommended that protective gloves and eyewear be used. PULLEY CHANGING INSTRUCTIONS 1. The pulley nut uses standar right-hand threads, so to remove , rotate in a counter-clockwise direction. You cannot heat the pulley and freeze the shaft, this is bullshit.

I had the pulley almost red hot, and the alternator was -celsius. We know our parts and products. The size of the alt pulley nut is 24mm, which I have, but it will not come loose! The belt is connected and everything. When I try to loosen in, the alt just spins, even with the belt on.

Is there a way to remove this damn pulley without an air impact wrench? How to remove ALH alternator pulley in car This is a followup to my how to remove an alternator post. If you just need to change the pulley , it can be done with the alternator still in the car, but some special tools are required. Re: How to change alternator pulley with no impact If you have a vise. Just remove the alternator and replace the pulley with a new one.

These are easy to obtain and replace, also cheap. There are times when it is necessary to transfer the customer’s old pulley to his replacement alternator. Most Bosch type alternators are sold without a pulley.

Alternator Pulley Swapping: Things to Consider. NOTE: If the belt will not go slack, loosen the pivot bolt at the bottom of the alternator. Insert the T-Torx socket (B) through the pulley removal tool (A) and into the alternator shaft.

Take an old fan belt set in the pulley , clamp the long end in a vice and lock a pair of vice grips firmly on the belt between the vice and the pulley. Have someone hold the alternator and vice grips while using a impact gun on the nut. How do you remove the stock alternator pulley ? Every time I try to spin it the thing moves.

Open box and remove alternator. Visually inspect alternator. Place alternator on secure horizontal surface resting on packing foam from original shipping.

Also shown is fan clutch removal for alternator removal. Introduction The alternator charges the battery which provides the electrical needs. Removing and refitting a dynamo pulley.

Sometimes a pulling tool is needed to remove the pulley - take care not to damage the pulley. Remove pressed-on alternator and power steering pulleys on late-model GM, Ford and Chrysler engines. The threaded end installs late-model GM alternator and power steering pulleys, including Quad 4.

Reverse the jaws to pull the alternator internal bearing. This reduces wear on the alternator but if it fails, the pulley will fail to turn the alternator shaft. To test the pulley , remove the serpentine belt.

Use a wood or plastic pin (to avoid damaging the alternator ) to hold the alternator fan inside the alternator. Step 3: Remove the Belt From the Pulley 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. Push the alternator assembly with the pry bar so that the belt becomes loose enough to slip over the pulley and remove.

Take your alternator pulley puller. You will find four holes at the of each of its legs. Line those up with the bolt holes on the pulley.