Re: Noisy 2nd and 3rd gear
[Re: 68LAR]
#1493867
09/01/13 07:35 PM
09/01/13 07:35 PM
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Joined: Jan 2013
Posts: 103 M.A.
Fern
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Quote:
23 spline or 18 spline? 18 splines are more noisy than the 23's.
Is there a way to tell without dropping the tranny?
1st and 4th are quiet, just 2nd and 3rd are loud.
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Re: Noisy 2nd and 3rd gear
[Re: Fern]
#1493868
09/01/13 08:04 PM
09/01/13 08:04 PM
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Joined: Jan 2003
Posts: 75,088 A Banana Republic near you.
JohnRR
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I Win
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A Banana Republic near you.
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Depends on what body platform and year , and if the trans has never been messed with. What is the history of the trans , has it ever been rebuilt ? 2nd and 3rd will have will be side loading the bearings more so I would suspect a rebuild is in order , the trans that was in my 69 bee sounded like it was full of rocks . did a rebuild and it quieted it down so much I could hear the wires under the dash rattling ...
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Re: Noisy 2nd and 3rd gear
[Re: Fern]
#1493871
09/02/13 09:37 AM
09/02/13 09:37 AM
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Joined: Oct 2003
Posts: 4,013 South Park, Pa.
68LAR
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Posts: 4,013
South Park, Pa.
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Need a little history on the trans. With that rear it should be a 23 spline and not noisy in 2nd and 3rd. Has the trans been replaced at any time? Who installed it? What clutch was used? Was the trans sitting for a long time before install? If all the answers point to the trans being a 23 spline then I would lean toward either the front or read trans bearing being bad. The trans will have to torn apart and at that point I'd go ahead and change them both. What gear oil did you put in it?
4 speed street legal. Best time 10.99 @ 124 mph on 93 octane pump gas @ 3926# total weight
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Re: Noisy 2nd and 3rd gear
[Re: Fern]
#1493873
09/02/13 10:05 AM
09/02/13 10:05 AM
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Joined: Oct 2003
Posts: 4,013 South Park, Pa.
68LAR
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Joined: Oct 2003
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South Park, Pa.
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Quote:
Bouht the car in pieces, so no history on the trans. I was told it was in good shape. The previous owner installed the trans and clutch (hydrolic) It might of been sitting, dnt know, but it is date correct for a 70.
In that case, the only real way of finding out what is causing your problem, is to pull the trans. It could be some "junk" had built up on the gears over the years. If that's the case, just driving it will eventually clean it off and the gears will quite themselves down. Could be also, that the bearings are "pitted". If this is the case then they will have to be replaced. It's hard to diagnose problems without the right info. My . Drive it a bit. If the noise gets worse, pull it. If it gets better, drive it. What gear oil did you put in it?
4 speed street legal. Best time 10.99 @ 124 mph on 93 octane pump gas @ 3926# total weight
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Re: Noisy 2nd and 3rd gear
[Re: 68LAR]
#1493874
09/02/13 12:39 PM
09/02/13 12:39 PM
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Joined: Jan 2013
Posts: 103 M.A.
Fern
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80w 90 gear oil I will drive it and see if that helps. Thanks for the advice
Last edited by Fern; 09/02/13 12:41 PM.
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Re: Noisy 2nd and 3rd gear
[Re: Fern]
#1493876
09/03/13 06:28 PM
09/03/13 06:28 PM
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Joined: Jan 2003
Posts: 2,757 Gilbertsville, PA 19525
Pntastar69
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Quote:
Bouht the car in pieces, so no history on the trans. I was told it was in good shape. The previous owner installed the trans and clutch (hydrolic) It might of been sitting, dnt know, but it is date correct for a 70.
Ah, the old saying, it was good when I pulled it or the PO indicated it was in good shape. Just drive it and see what happens. More likely, it'll have to be pulled and inspected.
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Re: Noisy 2nd and 3rd gear
[Re: Pntastar69]
#1493877
09/04/13 10:10 AM
09/04/13 10:10 AM
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Joined: Jan 2003
Posts: 75,088 A Banana Republic near you.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,088
A Banana Republic near you.
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Quote:
Quote:
Bouht the car in pieces, so no history on the trans. I was told it was in good shape. The previous owner installed the trans and clutch (hydrolic) It might of been sitting, dnt know, but it is date correct for a 70.
Ah, the old saying, it was good when I pulled it or the PO indicated it was in good shape. Just drive it and see what happens. More likely, it'll have to be pulled and inspected.
I'm with this , did you pull the side cover and take a look inside or just go on the sellers word ?
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Re: Noisy 2nd and 3rd gear
[Re: JohnRR]
#1493878
09/04/13 01:10 PM
09/04/13 01:10 PM
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Joined: Jan 2003
Posts: 28,069 Irving, TX
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Senior Management
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Irving, TX
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My money is on the side shaft rattling around.
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind. - Stu Harmon
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Re: Noisy 2nd and 3rd gear
[Re: Fern]
#1493880
09/05/13 12:50 PM
09/05/13 12:50 PM
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Joined: Jan 2003
Posts: 28,069 Irving, TX
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Senior Management
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My old aluminum cased 833 OD had a side shaft that beat up the case. When in 2nd or 4th (old 3rd gear position in a non-OD) it would rattle and howl loudly. Popping it into 3rd (4th on non-OD) it was smooth and quiet.
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind. - Stu Harmon
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