Shop to install u/d pulley Houston area??
10-20-2011, 01:28 AM
#5
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PBMGTO, you can't be serious? Go get a puller and do it yourself. If you need help I can lend a hand. I live right down the road in Dickinson. I've never done it but it can't be that hard. Probably gonna need a can of WD40.
10-20-2011, 01:23 PM
#6
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10-20-2011, 01:33 PM
#7
from ls1howto.. it may be a bit different due to space in front of engine bay of gto
Crank pulley removal: Now, break the crank bolt free and unturn it 2-3 turns. Install a 3 jaw puller onto the pulley. If you have the stock crank pulley, the 3 jaws fit onto the 3 tabs in the INSIDE arms of the pulley. Do NOT pull from the outside diameter of the stock pulley or you might break it (I've seen one in 10 pieces before). If you have the ASP underdrive pulley, you can pull from the large ridge half way back on the outside diameter of the pulley. A puller with 6" long arms or so should be able to reach those. I've removed an ASP pulley 3-4 times like this with no issues. If you have a larger puller you might be able to grab the back of the ASP pulley, but I have yet to find one that size. Once the puller is installed, start turning the bolt until the pulley comes loose. If your puller runs out of travel before then, twist out the crank bolt a bit more and try again. You might have to use washers or a socket on the end of the puller bolt to get enough travel in the puller.
INstall-Crank Pulley: Ah yes, everybodies favorite part. Put the car in 5th gear, put the pulley on the crank snout, and use the OLD bolt to start pulling the pulley onto the crank. Keep tightening...it should slide on about an inch or so. Once it starts getting tight, tighten to 240ft/lbs, or as close as you can to that. I always stop at around 180-190 ftlbs and its been fine so far. Now remove the old bolt, install a new one, tighten to 37ft/lbs, then turn an additional 140 degrees. Once again, I have yet to actually be able to turn it all 140 degrees..but 90-100 has seemed to work fine so far. You'll need a long section of pipe over a very strong wrench to be able to turn it all 140 degrees.
Crank pulley removal: Now, break the crank bolt free and unturn it 2-3 turns. Install a 3 jaw puller onto the pulley. If you have the stock crank pulley, the 3 jaws fit onto the 3 tabs in the INSIDE arms of the pulley. Do NOT pull from the outside diameter of the stock pulley or you might break it (I've seen one in 10 pieces before). If you have the ASP underdrive pulley, you can pull from the large ridge half way back on the outside diameter of the pulley. A puller with 6" long arms or so should be able to reach those. I've removed an ASP pulley 3-4 times like this with no issues. If you have a larger puller you might be able to grab the back of the ASP pulley, but I have yet to find one that size. Once the puller is installed, start turning the bolt until the pulley comes loose. If your puller runs out of travel before then, twist out the crank bolt a bit more and try again. You might have to use washers or a socket on the end of the puller bolt to get enough travel in the puller.
INstall-Crank Pulley: Ah yes, everybodies favorite part. Put the car in 5th gear, put the pulley on the crank snout, and use the OLD bolt to start pulling the pulley onto the crank. Keep tightening...it should slide on about an inch or so. Once it starts getting tight, tighten to 240ft/lbs, or as close as you can to that. I always stop at around 180-190 ftlbs and its been fine so far. Now remove the old bolt, install a new one, tighten to 37ft/lbs, then turn an additional 140 degrees. Once again, I have yet to actually be able to turn it all 140 degrees..but 90-100 has seemed to work fine so far. You'll need a long section of pipe over a very strong wrench to be able to turn it all 140 degrees.
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10-20-2011, 01:34 PM
#8
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Nope you pretty much nailed it right on the head. Remove the crank bolt. Use a puller to remove the factory crank pulley. Lube up the new underdrive pulley, and install it with the old crank bolt. Remove the old crank bolt, and install the new crank bolt and torque.
Removing and installing the belts is pretty self explanatory.
Removing and installing the belts is pretty self explanatory.
10-20-2011, 01:54 PM
#11
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Good info I might give it a go...im assuming leaving it in gear is enough to break the crank bolt free?? I know sometimes it causes some kind of flex not allowing it to put full tension..or should I hit it with an impact?
