pilot bearing or bushing? *pics* - SR20 Forum
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#1 (permalink) Old 05-18-2009, 03:40 PM
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pilot bearing or bushing? *pics*

I needed a new pilot bearing for the engine i'm dropping into the se-r (was an auto) so i went to the parts store.

they gave me a pilot bushing.

Is this right? Aren't bushings too old school, specially since this engine revs kinda high?

bad motor:


new pilot bushing for comparo:


replacement motor:


bushing by replacement motor (too big?):
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#2 (permalink) Old 05-18-2009, 04:23 PM
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You don't need it. The input shaft does not touch the crank.

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#3 (permalink) Old 05-18-2009, 04:50 PM
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On the motor you are swapping in, was it an autonmatic.

Our cars only come with pilot bushings.

If that engine came from an automatic transmission car you need to remove that end piece on the crank to install the bushing.

-Wes

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#4 (permalink) Old 05-18-2009, 05:18 PM
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Yeah, you have to remove that old one.

I drilled and tapped it in two places and used a crank pulley puller to remove it. They make removers, but I didn't have one.

People told me I didn't need to do it, but if nissan put it there, I'm going to put it there too.
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#5 (permalink) Old 05-18-2009, 05:24 PM
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^I'm hearing you need it and I'm hearing you don't. I have a UK motor that came out of a auto car. I'm about to take the flywheel off and put my lightweight flywheel and ACT clutch kit on. What's up with this bushing, or should it be called a spacer?

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#6 (permalink) Old 05-18-2009, 05:28 PM
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Quote:
Originally Posted by novadose914 View Post
On the motor you are swapping in, was it an autonmatic.

Our cars only come with pilot bushings.

If that engine came from an automatic transmission car you need to remove that end piece on the crank to install the bushing.

-Wes
Again, the input shaft on the transmission does not extend that far to even touch the bushing/bearing, so it's useless.

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#7 (permalink) Old 05-19-2009, 12:50 PM
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Originally Posted by eric96ser View Post
Again, the input shaft on the transmission does not extend that far to even touch the bushing/bearing, so it's useless.
yeah i noticed the same thing. the input shat looked like it would not extend far enough in to reach the pilot bushing. hmmm... i guess thats one less thing to deal with.
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#8 (permalink) Old 05-19-2009, 03:01 PM
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Some Autozones have a loan-a-tool slide hammer with an attachment that fits in and behind the pilot bushing. Then as you tighten the slide hammer onto the tool it spreads the too, so it hooks behind. Then you just you slide the weight and it pulls the pilot bushing out. It's an awesome tool.
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#9 (permalink) Old 05-20-2009, 12:45 AM
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A lot of those pullers won't remove the auto bushing...
But, what I've found that works well, is take a pipe that's the same size at the hole in the bushing, insert it only as far as the bushing is thick, then just push down. It'll just pop that sucker right out.

I had to do the same on my RWD SR20DE when I got it, as it was an auto.
I tried pulling, cutting, cursing, nothing seemed to work. lol
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#10 (permalink) Old 05-20-2009, 01:18 AM
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i bought a new oem-style clutch, but wondered how the clutch alignment tool would properly sit if there was no pilot bushing? wouldn't it be too loose and might cause an improper clutch fitment?
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#11 (permalink) Old 05-21-2009, 04:51 PM
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Yes, the alignment tool on my GA16 didnt work well, and the bushing was not needed for a 97 (and wouldn't fit anyway, looks like Nissan only rough machined the hole, didn't do the final size it for the bushing)
From what i found out its in the kit for the older E16 engines/Transmissions that use the same clutch.
I guess its the same for the SR20, needed for the older engine/trans
I cut the end off the alignment tool and it kind of worked then.

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#12 (permalink) Old 06-08-2009, 06:58 PM
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I've heard of a cool way to remove pilot bushings:

Take a pipe/rod that fits pretty perfectly within the bushing. Pack the bushing with grease. Bang on the rod, and the bushing is supposed to come right out.

I used a jigsaw then a hacksaw blade, which took forever. Wish I'd heard of that ^ method.

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#13 (permalink) Old 06-09-2009, 11:18 AM
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To answer your question on the bushing being "old School" remember the only time there is rotation in the bushing is when the clutch is depressed, so its a low use low load situation. If you get a transmission that has the journal on the input shaft, install the bushing.

1997 SE-R 5 sp yea !!!
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Last edited by Ianh; 06-09-2009 at 11:20 AM. Reason: grammar
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#14 (permalink) Old 06-10-2009, 01:24 PM
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Originally Posted by Petelite View Post
I've heard of a cool way to remove pilot bushings:

Take a pipe/rod that fits pretty perfectly within the bushing. Pack the bushing with grease. Bang on the rod, and the bushing is supposed to come right out.

I used a jigsaw then a hacksaw blade, which took forever. Wish I'd heard of that ^ method.
that never works. all it accomplishes is to make a big greasy mess. The best way i've discovered is using slide-hammer with the proper attachment that you can rent for free from autozone.
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#15 (permalink) Old 06-10-2009, 01:32 PM
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I haven't tried it but the principle is sound so long as the rod is a snug fit in the old bushing. The hydraulic pressure will force the bushing out.

1997 SE-R 5 sp yea !!!
2003 Pathfinder SE 4WD
1997 Sentra GXE Sold !!
Ex- 2001 Sunny N16 RHD (N16 Nissan Bluebird Sylphy)
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#16 (permalink) Old 08-17-2009, 10:44 AM
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Quote:
Originally Posted by seishuku View Post
A lot of those pullers won't remove the auto bushing...
But, what I've found that works well, is take a pipe that's the same size at the hole in the bushing, insert it only as far as the bushing is thick, then just push down. It'll just pop that sucker right out.

I had to do the same on my RWD SR20DE when I got it, as it was an auto.
I tried pulling, cutting, cursing, nothing seemed to work. lol
Quote:
Originally Posted by rubenzzz View Post
that never works. all it accomplishes is to make a big greasy mess. The best way i've discovered is using slide-hammer with the proper attachment that you can rent for free from autozone.
^So which one guys? One says yes and the other says no. I'm at a stopping point on my build right now. I was going to put the flywheel and clutch on my UK 10.1 motor but this bearing is keeping me from using my pilot bearing that came with the clutch kit.



^Motor from AUTO



^Motor from MANUAL - Spare block

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93 XE-R Project 4Door - DE+T - Money Pit.
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Originally Posted by SR20GTi-R View Post
NA is a thinking man's game, alot of people dont have the stomach to play NA.

Last edited by MR-4Door-SR20DET; 08-18-2009 at 10:49 AM.
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#17 (permalink) Old 08-17-2009, 12:22 PM
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Throw the bushing in the trash.

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#18 (permalink) Old 08-17-2009, 02:31 PM
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Throw the bushing in the trash.
^Lol. Ok Eric, I want use it. Should I still take that other bearing off the motor?

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Originally Posted by SR20GTi-R View Post
NA is a thinking man's game, alot of people dont have the stomach to play NA.

Last edited by MR-4Door-SR20DET; 08-17-2009 at 04:45 PM.
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#19 (permalink) Old 08-17-2009, 04:26 PM
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^Lol. Ok Eric, I want use it. Shouldn I still take that other bearing off the motor?
Can we have a Picture of your input shaft please ??

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#20 (permalink) Old 08-17-2009, 04:37 PM
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i have an automatic motor and ive never used one. Been 3years no issues.

1997 200SX SE-R - 280whp & 264tq
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