4 speed saginaw noise - Chevelle Tech

Transmission & Driveline Transmissions and Differentials

 
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post #1 of 8 (permalink) Old May 9th, 10, 8:25 AM Thread Starter
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Join Date: Jan 2004
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Red face 4 speed saginaw noise

Pulled tranny for new clutch n took linkage off put same linkage back on.Now if i hold shifter in 1st trans makes a clucking sound. If i let go of shifter it stops but when i take off it comes back n i hear it until i get in 3rd gear.I noticed where the reverse lever is bolted to tanny is sucked in.When i pull it out it sucks rt back in.I have it tight n i can pull in out still when i let go back it goes.I put in pin to make sure linkage is adjusted right.That all seems to be right.I hope u understand what i mean.
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post #2 of 8 (permalink) Old May 9th, 10, 11:55 PM
 
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Re: 4 speed saginaw noise

you removed the linkage, to get the transmission out? Or to slide the transmission to the back of the car to remove the clutch?
I have a 4 spd Saginaw in my 66' chevelle. I'm not convinced I know enough to accurately help you . . . did you change Clutch diameter? Resurface flywheel, replace throw out bearing?

When I did some some 'changing' on my transmission, like above, I had to spend some time readjusting the shifter.

Also . . . you didn't loose your clutch pedal return spring?

Now that I think about it, my Z-bar assembly might be over due for a rebuild.
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post #3 of 8 (permalink) Old May 10th, 10, 10:07 AM Thread Starter
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Re: 4 speed saginaw noise

i put same dia. clutch i did resurface flywheel n new throw out bearing . the next thing is to try linkage adjustment again n again n again. i dont think the reverse lever is coming out all the way.but im not sure that would do this.THANKS FOR ANY HELP FROM ANYONE
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post #4 of 8 (permalink) Old Oct 19th, 11, 3:54 PM
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Steve
 
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Re: 4 speed saginaw noise

I know this is an old thread but did you ever find the problem speedy? I'm having the same problem on mine after a clutch job. I noticed my reverse is slightly sucked in too. It makes a ratcheting clicking sound in every gear but reverse. I feel like it has to have something to do with reverse not disengaging all the way. I have crawled under the car and tried everything to ensure it is fully disengaged but nothing helps the sound. I did a google search and lots of people have complained of our issue but no one has ever had a solution. Tranny has low miles and was dead silent before I pulled it to do a clutch/pressure plate swap.

Steve
1969 Chevelle SS 396 M-20
1970 Corvette 454 LS-5 M-21
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post #5 of 8 (permalink) Old Oct 20th, 11, 4:38 PM
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Nate
 
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Re: 4 speed saginaw noise

69chevelleguy;
Is your issue Saginaw related, or Muncie related. My 1st suspicion is that when you R&R'd the trans, you 'tweaked' the shifter linkage and it is now very slightly applying pressure which is probably causing the 'ratcheting' sound you hear. Try adjusting the shifter linkage again. Also you could try removing the linkage and seeing if the the rod falls into the proper location and solves the problem
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post #6 of 8 (permalink) Old Oct 20th, 11, 5:18 PM
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Steve
 
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Re: 4 speed saginaw noise

I have a saginaw. I already tried checking the shifter linkage adjustment and that didn't work. I really think it has something to do with the reverse fork being in too far. I looked at other 4 speeds on ebay and they were sticking out further than mine. I'm going to pull the cover this weekend and check it out. Thanks for your help though!

Steve
1969 Chevelle SS 396 M-20
1970 Corvette 454 LS-5 M-21
Arkansas Chevelle Club Member #007
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post #7 of 8 (permalink) Old Oct 24th, 11, 5:49 PM
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wes
 
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Re: 4 speed saginaw noise

if you unbolted the linkage from the trans sometimes the reverse detent ball falls out of the side-cover. there is a spring & steel detent ball between the side-cover & rev shift fork.pull the cover & make sure they are in . bolt the rev lever on before putting the cover back on. as you tighten the lever the fork will come out of the cover & depress the detent spring
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post #8 of 8 (permalink) Old Oct 24th, 11, 11:31 PM
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Steve
 
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Re: 4 speed saginaw noise

That was one of the first things I noticed when I got the cover off this weekend. I reinstalled it the way you said and still have that annoying sound. I'm going to double check it first chance I get because I don't know what else it can be. The tranny was dead silent before changing the clutch. The only thing I can think of is that the detent ball alignment changed when I took the shifter off.

Steve
1969 Chevelle SS 396 M-20
1970 Corvette 454 LS-5 M-21
Arkansas Chevelle Club Member #007
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