How To Change A Alternator Pulley
I have purchased a new alternator to replace the faulty one. And the lip that protrudes forward on the front pulley half is different on all three. This is a followup to my how to remove an alternator post. Some places mention using an impact wrench (which I also have) but I don't see how that would help. How to remove pulley from alternator term df. You will also notice a rubber belt attached to the pulley and alternator. 16) Remove alternator from car and spin off retaining nut with impact gun and 24mm socket. A 17mm to loosen the pulley and a 1/2" to hold the shaft of the alternator. Alternator Pulley Removal Tool. An internal snap-ring that is supposed to hold the thing together broke and it sprung apart. These have a smaller diameter so they spin the fan slower, allowing a few more hp for the wheels.
Total time to do the swap was about 20 minutes, but it took me 10 minutes to make the tool. If the shaft is keyed with a hex pattern, it might be possible to secure it from turning with a hex bit so that the nut can be tightened with a regular wrench. Tools required: 32mm flat wrench for fan nut, reaction bar to hold water pump, impact wrench with 24mm socket, 8 mm hex bit with breaker bar, misc wrenches, sockets and stuff. You don't need to remove the wiring, just unbolt it, tip the front upwards and hit it with the impact. Dave wrote - I ordered another pulley..., so I have THREE now! This handy tool makes quick work to remove freewheeling/decoupling alternator & accessories pulleys on various NedCar, P2, and P3 cars. If it wasn't recessed then this is how i would have done it, main confusion was over how to hold the nut and use an allen key at the same time... EggsBenedict said: impact gun works well. The tools needed are a 17mm Allen socket, 22mm socket, flat head screwdriver, and an impact gun. How to change a alternator pulley. If you have any questions about the swap, post up on our youtube video and we will be there to answer. Step 8 - Test the installation. Do this by inserting the blade of a flat-blade screwdriver through the cutout in the front half (front is front) of the pulley and brace it against the generator/alternator housing bolt to keep the pulley from turning.
Removing Alternator Pulley. It depends on the keyway question. This will help you avoid shock or injury while working on your car.
For a 17mm shaft smaller units have a 15mm shaft and some pulleys may require adapter bushing. Thanks for all the advice. Leave fan inside shroud. How to remove belt pulley from alternator. Step 2 - Loosen and Remove the Alternator Belt. But it is so small I have a feeling that it will probably slip due to less contact area for grip. Rotate alternator around so wire connection on back side can be accessed. Replacing a broken, cracked or worn out alternator pulley is not very difficult, and it's something you can do yourself in half an hour or so. Posted by Peter Kennedy on 11/22/2019 to Alternators. The lock washer must be completely closed.
If not, then changing the pulley is vital when using our Coyote swap bracket kit or our alternator relocation kit. I tried using a pin spanner wrench in the holes with a breaker bar on the nut. Crank engine and observe battery voltage. Despite my calling and instructing them to rig it with the pulley for the '99 6. 21) Torque water and power steering pulley bolts.
Install the bell shaped spacer and tighten the nut. Note that ground lead has two nuts on a single stud that have to be removed. Needed to remove the pulley, do not overheat. Mine has the hex hole in the end so i am a bit confused what tyoe mine is... 11) Next up is to remove the alternator pulley. You may also use thread locking liquid for better hold. Dave wrote - John Connolly () wrote me last night to make sure I was putting both pulley halves on the alternator shaft when checking for interference -- for some reason it makes a difference. I have a hard time holding the belt up so the rear pulley half goes on straight, and keep bunging up spacers! Typical Automotive pulleys are designed. It comes undone but may need a bit of grunt.
Useful tips are greatly appreciated. Three pulleys supposedly for exactly the same application, all different. This brings me onto the next question.... how tight does it need to be done up? How the heck do I get an allen key in there if I have a socket over it? To remove the alternator pulley, use a 1/2" Drive impact wrench to loosen the nut. 8) Using 8 mm hex bit on a breaker bar, loosen A/C belt tensioner and remove AC belt.
Anybody mastered a quick way to change out the alternator pulley while it is still in the car without air tools? Detailed Description. You *may* get lucky and get a strap wrench to work, but I sure couldn't.... The one from John Connolly () is better, but still rubs slightly. Thank you very much for your have been really helpful! I couldn't get any of my spanners to fit mine as the nut is recessed inside the pulley, see photo below (with nut loosened), was yours the same as this? But I was changing the tensioner as it was bad, so I thought I would change the pulley at the same time as a preventative measure as I have seen MANY of these things fail and I would rather do it in a controled situation in my driveay than on the side of a busy highway in the middle of a snow storm. Anyone else have the pleasure of removing this difficult nut?