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Mini Matic gearbox help please!

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grey 64

Post subject: Mini Matic gearbox help please!

Posted: Fri Jan 19, 2007 4:36 pm

1098cc

Joined: Sun Jan 14, 2007 7:04 pm
Posts: 1215
Location: Outta Ipswich

Hi, I have a 1970 mini matic which I bought (as an extra to the grey 64 850) with the motor and gearbox both out of the car. I was told the motor is reconditioned and in good running order, and that the gearbox had been reconditioned, but was still slipping in reverse. Havent done anything with it yet, can anyone suggest someone who can look at it for me in South East QLD? Our local mini specialist doesnt work with automatic gearboxes.

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9YaTaH

Post subject: MOCQ

Posted: Fri Jan 19, 2007 6:20 pm

1360cc

Joined: Sun Apr 11, 2004 11:32 am
Posts: 12390
Location: Sthrn HiLoLands, NSW, Australia

Best bet is to contact one of your local Mini car clubs....they should be able to set you right :idea:

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Hanra

Post subject:

Posted: Fri Jan 19, 2007 6:23 pm

1360cc

Joined: Sat May 08, 2004 9:01 pm
Posts: 6844
Location: Cairns, Nrth QLD

Didnt think they made Mini Matic's in 1970?

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drmini in aust

Post subject:

Posted: Fri Jan 19, 2007 6:26 pm

religious status

Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39757
Location: near Baulkham Hills, NSW

Hanra wrote:

Didnt think they made Mini Matic's in 1970?

Well I drive one, VIN is 3/70.
YA2S5/13**. :wink:

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:

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DTrain

Post subject:

Posted: Fri Jan 19, 2007 6:26 pm

998cc

Joined: Sat Jan 07, 2006 11:52 pm
Posts: 966
Location: Bald Hills, Brisbane

theres a mini guy over a Lleichardt (?sp) or glen carpenter at sumners park or mini auto at toowoomba or matt on the northside - ring them

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grey 64

Post subject:

Posted: Fri Jan 19, 2007 6:30 pm

1098cc

Joined: Sun Jan 14, 2007 7:04 pm
Posts: 1215
Location: Outta Ipswich

thanks boys. if anyone has encountered said problem would love to hear from em.

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Hanra

Post subject:

Posted: Fri Jan 19, 2007 6:32 pm

1360cc

Joined: Sat May 08, 2004 9:01 pm
Posts: 6844
Location: Cairns, Nrth QLD

drmini in aust wrote:

Hanra wrote:

Didnt think they made Mini Matic's in 1970?

Well I drive one, VIN is 3/70.
YA2S5/13**. :wink:

Learn something new every day.... Thought it was only 67 through to 68 for some reason?

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Morris 1100

Post subject:

Posted: Fri Jan 19, 2007 7:00 pm

Causing or creating vexation

Joined: Wed Jul 21, 2004 10:32 pm
Posts: 19124

From the Australian Morris 1100 workshop manual.

Quote:

Slip or no drive in reverse "R"
3) Check selector lever cable and transverse rod adjustment.
1) Check oil level.
5) Carry out oil pressure check.
9) Check location of sealing rings and / or joint washer under the oil filter head.
28) Remove and clean valve chest.
8) Check band adjustment.
35) Check feed pipes and sealing rings to top and reverse clutch and reverse band servo.
36) Remove the top / reverse clutch from the gear train and check that the bush in the reverse output shaft has not turned and shut off the oil feed to the top /reverse clutch.
37) Check the top and reverse clutch piston ring gaps and fit of rings in the piston grooves: check condition of clutch plates.

My guess would be the clutch plates or the band adjustment.
Does it do anything else wrong?
Does it change all gears properly? (especially the 3rd to 4th change)

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9YaTaH

Post subject: ATF

Posted: Fri Jan 19, 2007 7:51 pm

1360cc

Joined: Sun Apr 11, 2004 11:32 am
Posts: 12390
Location: Sthrn HiLoLands, NSW, Australia

Whatdyreckon would happen if you filled one with ATF...way too lightweight for that type of box :?:

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drmini in aust

Post subject: Re: ATF

Posted: Fri Jan 19, 2007 8:23 pm

religious status

Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39757
Location: near Baulkham Hills, NSW

9YaTaH wrote:

Whatdyreckon would happen if you filled one with ATF...way too lightweight for that type of box :?:

Umm the engine bearings won't like it much.... haha :lol:

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:

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drmini in aust

Post subject:

Posted: Fri Jan 19, 2007 8:25 pm

religious status

Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39757
Location: near Baulkham Hills, NSW

Hanra wrote:

drmini in aust wrote:

Hanra wrote:

Didnt think they made Mini Matic's in 1970?

Well I drive one, VIN is 3/70.
YA2S5/13**. :wink:

Learn something new every day.... Thought it was only 67 through to 68 for some reason?

That was the Mk1 matic...
Mk2 Matic was released just before the Mini K was, in 1969- with the same level trim. :wink:

check here- http://www.miniauto.com.au/home.htm click on Mini

According to TME last issue, they ran (maybe) until late 71 when the Clubby came out.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:

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bnicho

Post subject:

Posted: Fri Jan 19, 2007 9:03 pm

1275cc

Joined: Tue Jun 08, 2004 1:52 pm
Posts: 4434
Location: Melbourne, VIC.

drmini in aust wrote:

According to TME last issue, they ran (maybe) until late 71 when the Clubby came out.

Yep, I've seen a 71 Matic with lift up Clubby doors. It was Khaki green everywhere under the trim, so it may have belonged to the Army!

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Brett Nicholson
Greendale (near Ballan) VIC.
1971 Morris Mini Moke
1966 Austin Mini
1965 Morris Mini Traveller
1973 LR Series 3 88
2007 LR Freelander 2

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graham in aus

Post subject:

Posted: Sat Jan 20, 2007 8:47 am

1098cc

Joined: Thu Jul 15, 2004 9:53 pm
Posts: 1768
Location: Lake Macquarie NSW

OK then Morris 1100, you ask about 3rd to fourth change? Both my auto's (ones in a moke!) sort of screech a bit going from third to top, and also sometimes in first too.

I believe something is shared by first and top?

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drmini in aust

Post subject:

Posted: Sat Jan 20, 2007 8:52 am

religious status

Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39757
Location: near Baulkham Hills, NSW

graham in aus wrote:

Graham,
1st gear has a one way `sprag' clutch, (works like a roller bearing with a ratchet in)- when it gets worn that can happen.
3/4 shift- if it `flares' it's usually the top & reverse clutch.
Our Morris 1300 auto did that when bought, 5 years later it still did it.
If it jerks or vibrates in 4th though, it's box apart time. :cry:

_________________
DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:

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graham in aus

Post subject:

Posted: Sat Jan 20, 2007 8:55 am

1098cc

Joined: Thu Jul 15, 2004 9:53 pm
Posts: 1768
Location: Lake Macquarie NSW

Are both these big jobs? I know some can be fixed throught the front cover?

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