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  1. #1
    Join Date
    Feb 2015
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    New Zealand
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    Default Pulling Muncie from bell housing? It doesn't want to come out.

    Hi all,

    Well, I have the 4 bolts attaching the tranny to the bell housing removed, the crossmember is removed and pushed back to the rear out of the way, the speedo and reverse switch are disconnected, and the parking brake is up on top of the tranny housing. Videos I have watched and the description in the service manual make it seem like it should just slide straight back.

    It won't budge. Should I need to pry it loose or something? I tried tapping moderately with a rubber mallet to no avail. I also tried jacking the tranny up slightly to see if that would break it free. I know not to do that too much because it could damage things inside the clutch housing.

    Seems like I may have missed something??
    Ed Green

    1967 GS-400 4 Speed

  2. #2
    Join Date
    Feb 2002
    Location
    LI,NY
    Posts
    19,844

    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Should just pull right out. Could be rusted onto the splined disc. Or the input shaft could be stuck in the pilot bearing.

    Stupid question #1- Did you grab a hold of the tail shaft and give it a good shake?
    Jason Cook
    BPG #1675
    "Expert in obsolete technology"

    1968 Riviera GS- some assembly required
    1969 Riviera GS- my first car
    1969 GS-350
    1970 Stage 1 4 speed Aquamist
    1970 GS-455 Bamboo Cream beater
    1971 GS 455 11.93@113.36
    1972 GS-350
    1970 Stellar Industries vintage go kart

    Deo duce, ferro comitante

  3. #3
    Join Date
    Feb 2002
    Posts
    637

    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Sounds like you're there. Probably the input shaft/pilot bushing/clutch disk just binding. I guess you could have someone push the clutch pedal in which would free up the disk and might allow the trans to slide out. If the car hasnt been driven in a long time, I guess the pilot could be frozen in the bushing. Again, push the pedal down and rotate the crank. The trans shouldn't rotate unless the pilot is seized.

  4. #4
    Join Date
    Feb 2015
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    697

    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    @Jason: Yes, but perhaps without the necessary enthusiasm. I will go try that now and let you know. Thanks Jason.

    @Dano: Thanks for the suggestion. I am alone on this mission at the moment. The car hasn't been driven in 2 years, and then only briefly.
    Ed Green

    1967 GS-400 4 Speed

  5. #5
    Join Date
    Feb 2002
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    637

    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Quote Originally Posted by buick64203 View Post
    Should just pull right out. Could be rusted onto the splined disc. Or the input shaft could be stuck in the pilot bearing.

    Stupid question #1- Did you grab a hold of the tail shaft and give it a good shake?
    Funny, we were posting @ the same time. At the answers were consistent.

  6. #6
    Join Date
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    New Zealand
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    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Ok, I just gave the tail a good shake. Nothing.

    If engaging the clutch doesn't do it, how else can I get it off if it is rusted onto the spline?
    Ed Green

    1967 GS-400 4 Speed

  7. #7
    Join Date
    Feb 2015
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    697

    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Quote Originally Posted by Dano View Post
    Funny, we were posting @ the same time. At the answers were consistent.
    I know I am in good hands!
    Ed Green

    1967 GS-400 4 Speed

  8. #8
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    Feb 2002
    Posts
    637

    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Quote Originally Posted by NZ GS 400 View Post
    I know I am in good hands!
    I'm WAY rustier (no pun intended) than Jason!

  9. #9
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    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Well, theres more than one way to skin a cat.

    Just throwing out a couple of ideas...If we assume the disc is stuck to the input shaft- you could rotate the flywheel and remove all six pressure plate bolts through the inspection area and then remove the bellhousing bolts. If you do that then the only thing that's would be still connected to the engine would be the tip of the input shaft in the pilot bearing. Just make sure you screw the 4 trans bolts back into the bell. Your essentially removing the trans as if it were an automatic. So the bell, trans, plate and disc would come out together.

    If it still doesn't budge (I don't see how it wouldn't), then the input is stuck in the pilot, but it cant rust in there because its bronze.

    Its gotta be the disc stuck. Is there any space between the trans and the bell at this point? Can you put a prybar in between and give it a little pressure to see if it moves? Might just need a little gentle persuasion
    Jason Cook
    BPG #1675
    "Expert in obsolete technology"

    1968 Riviera GS- some assembly required
    1969 Riviera GS- my first car
    1969 GS-350
    1970 Stage 1 4 speed Aquamist
    1970 GS-455 Bamboo Cream beater
    1971 GS 455 11.93@113.36
    1972 GS-350
    1970 Stellar Industries vintage go kart

    Deo duce, ferro comitante

  10. #10
    Join Date
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    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Quote Originally Posted by buick64203 View Post
    Well, theres more than one way to skin a cat.

    Just throwing out a couple of ideas...If we assume the disc is stuck to the input shaft- you could rotate the flywheel and remove all six pressure plate bolts through the inspection area and then remove the bellhousing bolts. If you do that then the only thing that's would be still connected to the engine would be the tip of the input shaft in the pilot bearing. Just make sure you screw the 4 trans bolts back into the bell. Your essentially removing the trans as if it were an automatic. So the bell, trans, plate and disc would come out together.

    If it still doesn't budge (I don't see how it wouldn't), then the input is stuck in the pilot, but it cant rust in there because its bronze. Can you press the

    Its gotta be the disc stuck. Is there any space between the trans and the bell at this point? Can you put a prybar in between and give it a little pressure to see if it moves? Might just need a little gentle persuasion
    Thanks Jason, I will try both of these ideas. I will let you know how I make out.
    Ed Green

    1967 GS-400 4 Speed

  11. #11
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    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Ok, be careful and be safe.
    Jason Cook
    BPG #1675
    "Expert in obsolete technology"

    1968 Riviera GS- some assembly required
    1969 Riviera GS- my first car
    1969 GS-350
    1970 Stage 1 4 speed Aquamist
    1970 GS-455 Bamboo Cream beater
    1971 GS 455 11.93@113.36
    1972 GS-350
    1970 Stellar Industries vintage go kart

    Deo duce, ferro comitante

  12. #12
    Join Date
    Feb 2002
    Posts
    637

    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Having to pursuade them gently with a prybar, especially one that hasn't been driven, isn't unheard of or even too unusual. Even if, as Jason recommend, you can remove the pressure plate bolts (essentially same effect as I said of pushing in the pedal) that'll take pressure off the disk if it's binding and allow you access to maybe pry on the disk or spray some penetrating oil onto the splines.if nothing else, it should allow the tns to slide fore and aft slightly & you'll know it's the disk stuck on the splines and not the pilot (& go with a roller pilot bearing when re-assembling)

  13. #13
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    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Thanks guys. I tried prying gently where the tranny meets the bell. I could see the slightest bit of give, but I didn't want to force it, given the possibility of marring the housing. I put the 4 bolts back in and will take out the plate and bell housing bolts next. That is a job for tomorrow or the weekend at this point.....
    Ed Green

    1967 GS-400 4 Speed

  14. #14
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    637

    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Quote Originally Posted by NZ GS 400 View Post
    Thanks guys. I tried prying gently where the tranny meets the bell. I could see the slightest bit of give, but I didn't want to force it, given the possibility of marring the housing. I put the 4 bolts back in and will take out the plate and bell housing bolts next. That is a job for tomorrow or the weekend at this point.....
    You're welcome - Anytime. Try just the pressure plate bolts first -that might be enough, but given that you did see the slightest movement should rule out the pilot being stuck.

  15. #15
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    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Quote Originally Posted by Dano View Post
    You're welcome - Anytime. Try just the pressure plate bolts first -that might be enough, but given that you did see the slightest movement should rule out the pilot being stuck.

    Will I have a problem getting the pressure plate bolts back in? Are you suggesting that I may not need to remove the bell housing bolts? What I understand you to be saying is that I could remove the plate bolts and then go back and remove the 4 trans bolts and trying pulling it out again. Is that right?
    Ed Green

    1967 GS-400 4 Speed

  16. #16
    Join Date
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    Location
    North Carolina
    Posts
    26,462

    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Just to help with the load and potential for binding going both in and out, especially with one person, get two more bolts the same size as those for the original mounts. Cut the heads off and screw just studs in so you can slide the trans in and out while resting it on the top studs.
    Jim Lore
    BPG 1037
    "If you cannot clear up the confusion at least make the confusion clear."

  17. #17
    Join Date
    Dec 2002
    Location
    Bucks County, Pa
    Posts
    6,532

    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    You could apply some force to pull the trans backwards. A ratcheting tie-down between the trans and the rear should do it. Leave the trans-bell bolts in place but turned out so the trans doesn't fly off if'n it breaks free.
    Put a little pull-force on it with the strap and some tapping with a hammer or rotating the engine might break it free.
    Walt K
    (1)'66 GS Astro Blue, 13.41 et (2)'66 GS Saddle Mist, L76 Q-jet option, 1 of 132 (3)'66 GS Flame Red, Calif car (4)'66 GS Silver Mist, 4 speed (5)'66 Special, Flame Red, 300 (6)'79 Turbo Regal, 14.1 et (7)'65 GS 4 speed 'vert

  18. #18
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    637

    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Quote Originally Posted by NZ GS 400 View Post
    Will I have a problem getting the pressure plate bolts back in? Are you suggesting that I may not need to remove the bell housing bolts? What I understand you to be saying is that I could remove the plate bolts and then go back and remove the 4 trans bolts and trying pulling it out again. Is that right?
    I would try just the pressure plate bolts first, then if that doesn't work go on to the bellhousing as Jason suggested.

  19. #19
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    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Quote Originally Posted by Dano View Post
    Funny, we were posting @ the same time. At the answers were consistent.
    Great minds think alike!
    Jason Cook
    BPG #1675
    "Expert in obsolete technology"

    1968 Riviera GS- some assembly required
    1969 Riviera GS- my first car
    1969 GS-350
    1970 Stage 1 4 speed Aquamist
    1970 GS-455 Bamboo Cream beater
    1971 GS 455 11.93@113.36
    1972 GS-350
    1970 Stellar Industries vintage go kart

    Deo duce, ferro comitante

  20. #20
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    Feb 2002
    Posts
    637

    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Quote Originally Posted by buick64203 View Post
    Great minds think alike!
    My mind is rusty - You're the "expert in obsolete technology" - I'm just getting back into all this and haven't wrenched on cars in a while, but looking forward to it!

  21. #21
    Join Date
    Aug 2002
    Location
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    2,562

    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Shifter removed?
    Scott

  22. #22
    Join Date
    May 2013
    Posts
    3,544

    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    The steel lip of the input support is locked onto the aluminum Bell, I've had this happen a few times just be a patient and keep with it, I fought on one time on Camaro for 3days
    70 stage 1 Back under construction
    540 Tomahawk, F1c-94 Procharger
    Holley HP EFI, Stage 2 TE's
    Shooting for 1khp at the tire and 5.50s

    .

  23. #23
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    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Quote Originally Posted by flynbuick View Post
    Just to help with the load and potential for binding going both in and out, especially with one person, get two more bolts the same size as those for the original mounts. Cut the heads off and screw just studs in so you can slide the trans in and out while resting it on the top studs.
    Great idea Jim, Thanks!
    Ed Green

    1967 GS-400 4 Speed

  24. #24
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    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Quote Originally Posted by 87GN_70GS View Post
    Shifter removed?



    Hi Scott,

    Affirmative on that. Thanks.
    Ed Green

    1967 GS-400 4 Speed

  25. #25
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    Default Re: Pulling Muncie from bell housing? It doesn't want to come out.

    Thanks for the suggestions and encouragement guys. I will get to this tomorrow or the next day. I will let you know.

    I appreciate your time.
    Ed Green

    1967 GS-400 4 Speed

 

 
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