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Forum namePerformance/Engine
Topic subjectHow do remove crank pulley?????
Topic URLhttps://forums.2gnt.com/dcboard.php?az=show_topic&forum=i5&topic_id=7360
7360, How do remove crank pulley?????
Posted by robbain, Nov-16-01 12:26 PM
Okay, i got an underdrive pulley, now how the hell do I get the old crank pulley off??? I can get the bolt out, but the pulley is on there tight. Thanks.


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7361, RE: How do remove crank pulley?????
Posted by Fast420A, Nov-16-01 12:40 PM
You have to get a REALLY GOOD crank pulley puller. I believe you can rent them at auto parts stores. I believe you want a 3 jaw 5 ton puller.




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7362, RE: How do remove crank pulley?????
Posted by ride, Nov-16-01 12:50 PM
does that mean it's that hard to put the new on on?
7363, RE: How do remove crank pulley?????
Posted by grod101, Nov-16-01 05:28 PM
yep... if you aren't mech inclined i wouldn't touch it.
7364, RE: How do remove crank pulley?????
Posted by Talon95Stang, Nov-16-01 07:18 PM
All you need is the install tool. It has a ball bearing to let it tighten properly.
7365, RE: How do remove crank pulley?????
Posted by tim97rs, Nov-17-01 03:40 AM
Here’s the 10 step skinny:
1. Raise and block car, take off passenger wheel, unbolt plastic cover that you look at with wheel off. BAM, there’s the stock pulley!

2. Loosen alternator, AC compressor(if you have it), and PS pump. Take off belts.

3. Jack engine up under oil pan, just slight pressure at this point. make sure you put a piece of wood on the jack when jacking on the engine. If you jack directly on the oil pan it can bend up. Put the wood so it lifts on the edges of the oil pan.

4. Apply more or less pressure to take off tension on motor mount, remove mount on pulley side only.

5. Lower motor about 1-2in. (enough that the top of stock pulley will clear frame, you'll see what i mean)

6. Remove stock pulley bolt,(at this point go buy same thread bolt but 1-2in. longer and 5 or so thick washers that fit bolt, washers to be used later) screw 1in. of longer bolt into crank.

7. RENT A SMALL 4 TON GEAR PULLER from local auto store. This will need to be a 3 arm puller to fit on the INSIDE of the stock pulley. Now, pull off pulley.

***At this point if you don't know how to use a puller or can't figure it out, PAY someone to do this Mod for you!!!!***

8. Put on new AFX pulley and thread longer bolt with washers between head of bolt and pulley.

9. Use ratchet socket and bolt to "pull" new pulley on. You will need to wedge a screwdriver or similar tool between the pulley and motor to keep from turning the crank. Remove or add washers as needed to "pull" pulley on tighter. At some point you can put stock bolt back in to finish "pulling" on the rest of the way.

10. Add new belts, (the one that came with your pulley will most likely be for cars with AC. If you don't have AC you will need to get another belt. These numbers should be somewhat the same between different makers. 380K5/5050380DR)
tighten all acc. MAKE SURE BELTS ARE HELLA TIGHT or SSQQQUUUEEEELLLLL!!!!!!! put everything else back on and KAKOW, new pulley!!!

No matter how you do it, there will be some hassle. The old pulley is a tight bitch! You will need the puller!!!! You can try oven heating the new pulley to slide it on, but that method has mixed reviews and sometimes it works and sometimes it don’t. Plus you gota have good mittens to handle the heat! The way above will take about 3 hours from start to finish if you have all the right tools and are somewhat mechanicy inclined.




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