2 L Bay Window Gearbox Question

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74 dubb
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2 L Bay Window Gearbox Question

Post by 74 dubb »

Help needed please..
We obtained a 73 2 L bay window.. it came with an odd gearbox, we think as the number one gear is in number 3 position. Gearbox works 100% but its odd to drive with gear shifter in that position. We been told that its a variant gearbox. my questions are
1.Can this be rectified without having to replace the gearbox
2.Who is the best person that can do it
3.What is the best gearbox to fit to a 2 L air cooled motor.
We appreciate any advise and help.
Thank you
74 Dubb



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Re: 2 L Bay Window Gearbox Question

Post by retrovan »

you need to speak to @Bugger as he is our gearbox expert.

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Re: 2 L Bay Window Gearbox Question

Post by Bugger »

74 dubb wrote:
Wed Jun 24, 2020 8:17 am
Help needed please..
We obtained a 73 2 L bay window.. it came with an odd gearbox, we think as the number one gear is in number 3 position. Gearbox works 100% but its odd to drive with gear shifter in that position. We been told that its a variant gearbox. my questions are
1.Can this be rectified without having to replace the gearbox
2.Who is the best person that can do it
3.What is the best gearbox to fit to a 2 L air cooled motor.
We appreciate any advise and help.
Thank you
74 Dubb
Yip recieved the pics you sent
I confirmed it is a Variant

Just explain nice

3 is where 1st is
where is 1st gear then ?
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Re: 2 L Bay Window Gearbox Question

Post by Eugene »

Bugger wrote:
Wed Jun 24, 2020 3:00 pm
Just explain nice

3 is where 1st is
where is 1st gear then ?
No, 1st is where 3rd should be....3rd where 5th should be but seeing that it is only 4 speed, it's under the steering column. :twisted:
I guess the system needs adjustment.
You can never have enough Garages :-(

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Re: 2 L Bay Window Gearbox Question

Post by Bugger »

Ok Obviously the dimple on the Hockey sticks are on Different Places

One of the Easiest Fixes could be to Heat the Gearshift lever and Bend it towards the Passenger side of the Bus


On the Microbus gear rod under the Bus it is joined with a Spline Shaft so one could adjust where you want the Gear lever in the Bus


Hope that help

Other wise the gear couplers needs to be modified
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Re: 2 L Bay Window Gearbox Question

Post by Dawie »

Are all the gears just a few cm moved over to one side?

Or are they swapped around left to right? Like reverse now on driver's side, third and fourth on the very left side? Is reverse lockout working properly?

Think with the type 4 car (411/412), the shifter (left to right), moves same direction as shift shaft. Type 1-3 moves opposite direction. Front to back all work opposite direction

Best transmission for 2L baywindow engine is the 2L 6-rib type.
Do'nt assume anything- (While doing fault-finding).
"Things should be as simple as possible, BUT NO SIMPLER THAN THAT."
"If something can go wrong, it will go wrong" (Murphy's law).

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Re: 2 L Bay Window Gearbox Question

Post by Bugger »

Dawie wrote:
Wed Jun 24, 2020 10:07 pm
Are all the gears just a few cm moved over to one side?

Or are they swapped around left to right? Like reverse now on driver's side, third and fourth on the very left side? Is reverse lockout working properly?

Think with the type 4 car (411/412), the shifter (left to right), moves same direction as shift shaft. Type 1-3 moves opposite direction. Front to back all work opposite direction

Best transmission for 2L baywindow engine is the 2L 6-rib type.
Thats was my Question I was trying to get the answer to
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Re: 2 L Bay Window Gearbox Question

Post by retrovan »

(if 1st is where 3 should be and 4th where R should be)

It would appear that the whole lot has moved over to the drivers side,

which means the coupling is either back to front, or the 1st shaft is back to front.

Easy fix is to Put gear box into 1st, remove square head lock screw, and move lever to correct placement, drill new dimple placement,

Refit square head bolt and wire up.

OR the right way is to turn all shafts around one at a time till you get the gears in the right place.

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Re: 2 L Bay Window Gearbox Question

Post by Dawie »

Keep in mind that good 411/412 manual transmissions are getting rare like hen's teeth. A few rust free type 4 cars were already exported to the UK last year.

Many cars were automatic. The remaining more popular manuals were driven into the ground. Years ago most scrapyards dumped their last 411 gearboxes to make space for faster moving golf parts.

No parts from any other transmission fits in there. Input shaft have different spline shape, no replacement clutch plates available. The old one has to be rebuilt.

This transmission has to be mounted in a certain way otherwise life will be short. It can take zero weight on the nosecone side. Otherwise magnesium casing distorts causing gears inside to run skew. VW found this out the hard way after the first few cars had nosecone mountings.
All the weight is carried by hanger over bellhousing. Nosecone rubber is only a bump stop, there should be no contact. There is an adjustment procedure for powertrain position. Bellhousing mounting use shims to correct. Rear engine hanger also have adjustment.
Do'nt assume anything- (While doing fault-finding).
"Things should be as simple as possible, BUT NO SIMPLER THAN THAT."
"If something can go wrong, it will go wrong" (Murphy's law).

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Re: 2 L Bay Window Gearbox Question

Post by 74 dubb »

Thank you for the advise sir..I think it better we replace the entire box. i have another question. i know u said we should get a 2 L box.. as our experience is very limited and dont want to get caught with the wrong box please can you tell me what the code on the box and what the correct gear ratios it should have. . Do you think we could swop this or sell it. Again thanks for your assistance.

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Re: 2 L Bay Window Gearbox Question

Post by Bugger »

Codes I must check

Just be careful when you buy
The 17/1800 Pyramid box do have 5 ribs as well as 2L

The 2L box ribs are Rounded from top to side

1700 box is angled like the shape of Egyptian Pyramid
Reason it is called the Pyramid box

just had actually a Client that bought a "2L" Box with 5 Ribs that is the 17/1800 Pyramid box

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Last edited by Bugger on Wed Jul 01, 2020 3:10 pm, edited 1 time in total.
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Re: 2 L Bay Window Gearbox Question

Post by Dawie »

Good info from Bugger
So you have a 2L code CJ engine from a 1976 or later model.
Remember 2L have a bigger 228mm flywheel. 2L box have a different bellhousing, and different starter to accommodate it's different dimensions.
Flywheel might have been changed to an earlier one to better fit the 411 gearbox.
Do'nt assume anything- (While doing fault-finding).
"Things should be as simple as possible, BUT NO SIMPLER THAN THAT."
"If something can go wrong, it will go wrong" (Murphy's law).

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