Spigot bush
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Not many rules really, this board being aimed at technical issues, it shouldn't fall foul (hopefully) of some of the more personal issues that can affect forums.
Rule 1 - Is that you need to think very carefully before posting anything technical or asking anything technical relating to the security system of the car - See 'Security Issues' sticky for more info.
Rule 2 - We (MGF Register) do not support copyright infringement and therefore references to CD ROM, PDF versions or paper copies of the workshop manual (for instance) should not be posted on the forum. We don't want to get into trouble and we'd rather sell you a genuine hard copy through our Regalia shop anyway!
Because advice is honestly and freely given in this technical section, much of it will be amateur experienced based, so any information is given in good faith and is not guaranteed as correct.
Not many rules really, this board being aimed at technical issues, it shouldn't fall foul (hopefully) of some of the more personal issues that can affect forums.
Rule 1 - Is that you need to think very carefully before posting anything technical or asking anything technical relating to the security system of the car - See 'Security Issues' sticky for more info.
Rule 2 - We (MGF Register) do not support copyright infringement and therefore references to CD ROM, PDF versions or paper copies of the workshop manual (for instance) should not be posted on the forum. We don't want to get into trouble and we'd rather sell you a genuine hard copy through our Regalia shop anyway!
Because advice is honestly and freely given in this technical section, much of it will be amateur experienced based, so any information is given in good faith and is not guaranteed as correct.
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jonaf
- Posts: 150
- Joined: Sat Oct 27, 2007 4:12 pm
- MGF Register Region: Europe
- Model of Car: '96 1.8i
- Location: Norway
Spigot bush
Should there be a spigot bush in this hole in the flywheel end of the crankshaft?
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mgtfnut
- Posts: 788
- Joined: Mon Oct 08, 2007 2:22 pm
- MGF Register Region: South Wales
- Model of Car: TF 135
- Location: Dinas Powys
Re: Spigot bush
There is no mention of one in the K series engine overhaul manual, and there is no good picture.
It certainly looks like there could/should be one, but fortunately I've never been there! My little Suzuki SJ413 has a needle roller bearing which I have changed a couple of times when the gear box has been out. Looks like it could take a needle bearing or even a plain bush.
The PG1 gearbox manual has a picture of the input shaft which looks like it could run in the stepped, chamfered recess in the crankshaft. Quick measurements with a caliper?
Are there any wear or witness rubbing marks to give a clue? There is a specified end float determined by circlip selection.
If there was nothing there originally, I think I would presume that is how it should be
It certainly looks like there could/should be one, but fortunately I've never been there! My little Suzuki SJ413 has a needle roller bearing which I have changed a couple of times when the gear box has been out. Looks like it could take a needle bearing or even a plain bush.
The PG1 gearbox manual has a picture of the input shaft which looks like it could run in the stepped, chamfered recess in the crankshaft. Quick measurements with a caliper?
Are there any wear or witness rubbing marks to give a clue? There is a specified end float determined by circlip selection.
If there was nothing there originally, I think I would presume that is how it should be
Jerry
MG TF 135 - 100k
Suzuki SJ 413 - 309k
Skoda Yeti SE 110 4x4 - 131k
MG TF 135 - 100k
Suzuki SJ 413 - 309k
Skoda Yeti SE 110 4x4 - 131k
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jonaf
- Posts: 150
- Joined: Sat Oct 27, 2007 4:12 pm
- MGF Register Region: Europe
- Model of Car: '96 1.8i
- Location: Norway
Re: Spigot bush
The hole is 22 mm, the input shaft 19 mm. If a bush belongs here it would be 1.5 mm. There is no sign of wear marks in the hole so it may be that there is no need for it.
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Rob Bell
- Committee Member
- Posts: 14425
- Joined: Tue Oct 02, 2007 2:36 pm
- MGF Register Region: South East
- Model of Car: MGF 1.8i + MGF Shed!
Re: Spigot bush
No spigot bush for the Rover K-series/ PG1 gearbox combination.
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RobboMC
- Posts: 1059
- Joined: Wed May 09, 2012 1:36 am
- MGF Register Region: Eastern Australia
- Model of Car: 1999 Mpi
Re: Spigot bush
Well when you've got the flywheel off you're mid-engined car you know you're neck deep in it!
I've been down this route before and found ( and lost ) an excellent Lotus based article on this issue.
It's called a suspended ( or hung ) input shaft or some such nonsense.
Why the heck the K-series was designed without a bearing in there is anybody's guess.
It would have been a whole lot less stressful on the gearbox bearings. So I assume you know have learned NOT to stand on your clutch pedal for too long.
It's called a suspended ( or hung ) input shaft or some such nonsense.
Why the heck the K-series was designed without a bearing in there is anybody's guess.
It would have been a whole lot less stressful on the gearbox bearings. So I assume you know have learned NOT to stand on your clutch pedal for too long.