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Discussion Starter #1
Is it possible to install the crank and water pump pulley without dropping the motor? I dont see how i can install them without doing so? BTW i have 2L b15. Also, i just need to clarify that if im using the 2 pulley set, whats belts need to be replaced?
 

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You should be able to remove the crank and water pump pulley without pulling the motor. The crank is easy to get to once you remove the plastic splash sheild. I pulled one off with and impact gun and a pulley puller. The water pump may be difficult, but not impossible. Try to loosen it with the belts still on.

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Eric Waterman
1996 200SX SE-R
1997 200SX SE-R
1991 Sentra SE-R
 

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A lift is helpful when installing the pulleys. You can do it with jack stands though. I had mine installed at a local shop and they used a lift.

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Ryan 97 Black SER
advanced timing,custom 2.5" catback exhaust with dynomax super turbo muffler, Unorthodox Racing Pulleys, ES shifter Bushing, Hotshot Header(not installed), Hotshot CAI (waiting for patiently)
 

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I did mine with jack stands by myself (except my little brother held the brake while I broke the crank bolt free) without air tools. make sure you rent a pulley puller and its bolts fit the crank pulley before you start, unless you have acccess to another car to get the right thread bolts. Sometimes the pulley pullers come with standard bolts only, and we need metric. 8mm i think, but I'm not positive.
 

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I removed the crank pulley from a SR20 and the puller I used, had 3 "arms" that grabbed the back of the pulley. I loosened the crank bolt, and put it back in a few threads, the puller arms grabbed the back of the pulley and the bolt fit the indention in the center of the crank bolt. This took like 5 min to do. I did have air tools, but the hardest part without them will be removing the crank bolt.
 

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for the water pump pulley have some one under the car and you loosen the bolts then pry the engine with a crow bar just enough for your buddy to pull the old one out and then do the same to put the new one in from the bottom .pry to the block agains the chasis just enough to move the engine about 1/4 inch. worked great for me.the crank was easy just spray the bolts and pulley to let it come off easy.

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91 SE-R,10:1 comp.pistons,comp.4angle valve job,extrude honed heads/intake manifold,No emissions.crap,RC TB/MAF,nismo cams,UR pulleys,stillen4-1 ceram.header,nismo/centerforce dual fric.clutch,PR CAI,2 1/2 test pipe,mandrel 2 1/4 superturbo ex.,and a whole bunch of other goodies! boost is in the works ,hell yeah 3:16!
 
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Discussion Starter #7
Where can you get Underdrive pulleys, and how much do they cost? Are these 2 or 3 pulley systems(i've never really checked...)
 

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<font face="Verdana, Arial" size="2"> for the water pump pulley have some one under the car and you loosen the bolts then pry the engine with a crow bar just enough for your buddy to pull the old one out and then do the same to put the new one in from the bottom </font>
I didn't have to pry anything to remove and replace the water pump pulley. And I did everything from the top for the water pump pulley. That was for the B14 though. And I haven't looked at a B15 engine compartment.
 

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b13 are tight around there.

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91 SE-R,10:1 comp.pistons,comp.4angle valve job,extrude honed heads/intake manifold,No emissions.crap,RC TB/MAF,nismo cams,UR pulleys,stillen4-1 ceram.header,nismo/centerforce dual fric.clutch,PR CAI,2 1/2 test pipe,mandrel 2 1/4 superturbo ex.,and a whole bunch of other goodies! boost is in the works ,hell yeah 3:16!
 
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