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Clutch Noise Part II... |
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Page <1 6789> |
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PHAT69AMX 
AMC Addicted 
Joined: Jul/07/2007 Location: West Virginia Status: Offline Points: 5926 |
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 Posted: Mar/04/2020 at 6:43pm |
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Wow, someone on FaceBook posted a picture of a SPRING found in the end of their Crankshaft and wondered what it was.... now I guess I have some idea what it was and how it got there ! LOL
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Frwilkins
AMC Fan 
Joined: Nov/21/2020 Location: Roseburg Oregon Status: Offline Points: 3 |
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Posted: Nov/21/2020 at 9:35am |
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Tomorrow that is my problem. The flywheel that was on my 360 has the wrong size pilot bearing hole. It was vibrating the I thought the clutch went out, grinding going into reverse and hard to get into gear. The transmission guy is saying there is play in the pilot bearing. He says I need a different flywheel, the pilot hole has to be 4.5 inches. I was told when I bought it that it is a 360 AMC motor and it has the 3 speed transmission. Does anyone know how to get a correct flywheel? It is in a 76 CJ 7.
Edited by Frwilkins - Nov/21/2020 at 9:37am |
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Trader
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Joined: May/15/2018 Location: Ontario Status: Online Points: 6917 |
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Posted: Nov/21/2020 at 10:03am |
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The pilot bushing goes into the end of the crankshaft. The flywheel bolts to the crankshaft flange.
You either misunderstood or need a new transmission guy.
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1948kaiser
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Joined: Jan/25/2015 Location: south west flor Status: Offline Points: 839 |
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Posted: Nov/21/2020 at 10:53am |
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is 4.5 inches a little wide?
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Heavy 488
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Joined: Apr/27/2019 Location: In the Status: Offline Points: 3557 |
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Posted: Nov/21/2020 at 11:40am |
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4.5 is the crank to flywheel pilot, not the transmission to crank pilot. 70/71 crank is 4.5. 72 and up is 4.65.
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AMXrated
AMC Nut
Joined: Jul/26/2015 Location: Indiana Status: Offline Points: 290 |
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Posted: Nov/21/2020 at 11:42am |
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"Grinding going into reverse and hard to get into gear" does not sound like a pilot bushing or flywheel fitment problem and sounds like more of clutch, shifter/linkage, or transmission issue.
Flywheel could be contributing if clutch plate is not engaging it correctly, however. If pilot busing is really shot, I suppose it could allow enough play in system to make shifting difficult. Probably would have made some noise for a while, though.
Is this a new problem? Have you changed out the clutch recently?
Edited by AMXrated - Nov/21/2020 at 11:56am |
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You can have my Hurst shifter when you pry it from my cold dead hand.
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Frwilkins
AMC Fan
Joined: Nov/21/2020 Location: Roseburg Oregon Status: Offline Points: 3 |
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Posted: Nov/21/2020 at 10:23pm |
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Yes, transmission guy put in new clutch and had flywheel turned. Still doesn't want to go into gear. I am going to his shop Monday to look at the flywheel.
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Frwilkins
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Joined: Nov/21/2020 Location: Roseburg Oregon Status: Offline Points: 3 |
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Posted: Nov/21/2020 at 10:26pm |
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Okay that helps a lot. So a 70/71 360 flywheel will have a 4.5 inch crank to flywheel pilot?
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AMXrated
AMC Nut
Joined: Jul/26/2015 Location: Indiana Status: Offline Points: 290 |
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Posted: Nov/22/2020 at 12:26am |
If this is the original flywheel and it worked fine before the new clutch, I would guess the issue is in the clutch/fork linkage. Kinda sounds like the friction disc is not fully disengaging from the flywheel. I would check the fork adjustment on the clutch linkage first to make sure the throw out bearing is moving far enough. Also, may want to ensure the fork pivot ball is still in place. Did your guy just change the clutch or did he put a new fork in too? |
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You can have my Hurst shifter when you pry it from my cold dead hand.
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6PakBee
Supporter of TheAMCForum 
Charter Member Joined: Jul/01/2007 Location: North Dakota Status: Offline Points: 5458 |
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Posted: Nov/22/2020 at 8:29am |
You may want to do a runout on the face of the flywheel. I've run into a couple cases in my life where a shop didn't clean the crank face of the flywheel or the hub on the flywheel grinder. The flywheel didn't fully seat on the machine and was cut crooked.
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Roger Gazur
1969 'B' Scheme SC/Rambler 1970 RWB 4-spd Machine 1970 Sonic Silver auto AMX All project cars. Forum Cockroach |
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Frwilkins wrote: