Tranny/Gearbox doesn't meet driveshaft
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- Gornal
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Tranny/Gearbox doesn't meet driveshaft
I have just replaced my engine and tranny (on the same mount point as last time) and my driveshaft. When I go to bolt the two together, there is a good 1/2-1inch gap which I can't work out why. I have attached photos but unsure why they don't meet up. Is there a way to adjust either so they meet?
Any expert advice is well received!
thanks
Dave
Any expert advice is well received!
thanks
Dave
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- sfdaugherty
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Re: Tranny/Gearbox doesn't meet driveshaft
You may have pushed the driveshaft too far into the tranny. Pull it out some.
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68 SR20DE SPL311-18735 (SR20DE S15 Autech)
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- Gregs672000
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Re: Tranny/Gearbox doesn't meet driveshaft
Yes, there's a lot of extra shaft length...sfdaugherty wrote: ↑Sun Feb 24, 2019 12:54 pm You may have pushed the driveshaft too far into the tranny. Pull it out some.
Greg Burrows
'67 2000 #588
Tacoma, WA
'67 2000 #588
Tacoma, WA
- theunz
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Re: Tranny/Gearbox doesn't meet driveshaft
If I remember correctly, it's the splined front section of the drive shaft that is adjustable. There has to be some fore and aft movement of the drive shaft in order to accommodate the lateral movement of the rear axle.
Mike M
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Old enough to know better, too old to remember why!
1969 2000 solex mine since 1972, under resurrection. (Finally resurrected as of spring 2019!)
1969 Porsche 911s -worth more, but not as valuable! Gone!
2017 Lotus Evora 400 - Oh my!!
- jrusso07
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Re: Tranny/Gearbox doesn't meet driveshaft
As others have said, the front part of the shaft is splined and slides into the front yoke. The shaft needs to move fore and aft in the yoke. I usually bolt the yoke to the transmission first, be sure to apply grease to the splines, push drive shaft splined end into the yoke and then bolt the shaft to the rear differential. Some of my cars have a rubber piece on the yoke to help seal the splines jn the yoke...to keep grease in and water out I assume.
It's common to mark the drive shaft flange postion on the transmission and differential flanges before removal to be suure it goes back in the same way, for balance.
It's common to mark the drive shaft flange postion on the transmission and differential flanges before removal to be suure it goes back in the same way, for balance.
Joe
1969 SRL311 - Solex
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1970 SRL311
1969 SRL311 - Solex
1970 SPL311 - U20 mod
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- david premo
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Re: Tranny/Gearbox doesn't meet driveshaft
It’s very important that you time the drive shaft, or your car will shake.
- nismou20
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Re: Tranny/Gearbox doesn't meet driveshaft
How does one reindex the driveshaft to trans once its been pulled? I did not mark it when I removed the engine. Is that what you are referring to?
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Re: Tranny/Gearbox doesn't meet driveshaft
The is O stamped on the yoke and a matching one on the drive shaft. Line them up and your good to go.
- nismou20
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Re: Tranny/Gearbox doesn't meet driveshaft
That’s nice to know, thanks David.
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- Linda
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Re: Tranny/Gearbox doesn't meet driveshaft
Probably under some grime:
LindaYou do not have the required permissions to view the files attached to this post.
Sadly-Linda has passed away 2022. She was the 311's den mother and drove the first Rare-Parts ball joint project. RIP.
- Gornal
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Re: Tranny/Gearbox doesn't meet driveshaft
All - thanks for all the support...I shall now check to see if I was fortunate enough to reindex (unwittingly) or perhaps undo and reposition.