Clunky Knock Gear Change

In the 110, (84 12j), unless we change gear VERY gently letting the clutch pedal back up, we get a clunk noise from under the front seats, like theres play somewhere...
The prop UJs "seem" fine but wouldnt rule them out...could there be play in the tranny box output flanges does anyone know?

I have something very similar Foss - suspect it's the output shaft splines, but living with it for now

UJs look fine - some slack when I rotate the prop by hand before it goes 'firm'

Be interested to see what others suggest

Intermediate gear

LOL@ Station...I knew there was a reason I was gonna fit a cd player ;-)

please explain MHM...is that the Intermediate shaft between the gearbox & tranny box?

it could be - they do wear and then when they go - no drive. Tiz worth checking tho.

there are two types - so check which one it is.

cool...is there an existing thread covering it or can you point me where to look & how to tell the 2 apart...

have a look at this....

Ashcroft Transmissions - Input gear

The Mad Hat Man said:

have a look at this....

Ashcroft Transmissions - Input gear

Click to expand...

Ta

if input gear worn so is mainshaft out of gear box it needs relacing too if not temporary repair

jamesmartin said:

if input gear worn so is mainshaft out of gear box it needs relacing too if not temporary repair

Click to expand...

yes - very likely - but it is a common problem, apparently.

was very common before cross drilled input gears if std 110 transfer box there are two input gears both have 26 teeth the early one frc5428 and later wider ftc5089 the latter comes cross drilled the earlier doesnt, there is another 28 teeth for disco boxes ftc5087