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palmgreen57
Samba Member
Joined: July 05, 2007
Posts: 397
Location: france
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 Posted: Sun Dec 21, 2025 5:26 am Post subject: Transmission dating |
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Hello
I tried to find in the vin chรขssis number section how to date a baywindow transmission but there is no information
Anyone could help ?
Thank you
Yan |
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70bus 
Samba Member
Joined: July 15, 2004
Posts: 1892
Location: P.O.
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| Posted: Sun Dec 21, 2025 3:01 pm Post subject: Re: Transmission dating |
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Usually here
but sometimes not. Often there are 3 small circles with numbers in them that are date codes... on the bell housing somewhere.
From BarryL:
First circle: day of month.
Second circle: month.
Third circle first character: shift.
Third circle last character: year.
_________________
Craig K
70 Neunsitzer
65 Pritschenwagen
"If Von Dutch was alive, he'd walk in there with a pistol and shoot these people." - Robert Williams
Raoul the 65 singlecab
Karl the 70 nine-seater |
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palmgreen57
Samba Member
Joined: July 05, 2007
Posts: 397
Location: france
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| Posted: Mon Dec 22, 2025 11:58 am Post subject: Re: Transmission dating |
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Thank you
Then mine should be july 79 right ?
What's the others code meaning ?
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70bus
Samba Member
Joined: July 15, 2004
Posts: 1892
Location: P.O.
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| Posted: Mon Dec 22, 2025 1:01 pm Post subject: Re: Transmission dating |
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Could be July 1969 early baywindow depending on type of transmission. Lots of trans pics here to identify which model yours might be
https://www.thesamba.com/vw/forum/viewtopic.php?t=143138
One stamping might be a C and something else (might also be dings in metal); don't know about other 4 digit number.
_________________
Craig K
70 Neunsitzer
65 Pritschenwagen
"If Von Dutch was alive, he'd walk in there with a pistol and shoot these people." - Robert Williams
Raoul the 65 singlecab
Karl the 70 nine-seater |
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KTPhil
Samba Member
Joined: April 06, 2006
Posts: 36457
Location: Conejo Valley, CA
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| Posted: Mon Dec 22, 2025 1:56 pm Post subject: Re: Transmission dating |
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I was thinking something different when I saw the topic Tranny Dating...
_________________
Current Fleet:
- '71 Fastback
- '69 Westfalia
Retired:
- '67 Beetle
- '65 Beetle (x2)
- '65 Bus
- '71 Squareback |
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fatmatt650
Samba Member
Joined: November 18, 2008
Posts: 212
Location: Pacifica, Ca
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| Posted: Mon Dec 22, 2025 2:30 pm Post subject: Re: Transmission dating |
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| KTPhil wrote: |
| I was thinking something different when I saw the topic Tranny Dating... |
I'm actually contemplating trans reassignment surgery on my 1970. I've got a perfectly good '72 transmission and type 4 engine in my '72 rust bucket camper and am about to do a DTM upright fan conversion to swap the type 4 motor and trans from the '72 into the 1970. The 1970 currently has no motor/transmission. It looks to me like all the different year transmissions have the same two bolts sticking out the front and all you have to do to swap them is get the correct transmission to body mount that bolts to them. Can anyone confirm this?
_________________
62 Single Cab
70 bug
72 Hightop
72 Hightop
"So much to do...so little time." |
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palmgreen57
Samba Member
Joined: July 05, 2007
Posts: 397
Location: france
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| Posted: Mon Dec 22, 2025 2:40 pm Post subject: Re: Transmission dating |
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| 70bus wrote: |
Could be July 1969 early baywindow depending on type of transmission. Lots of trans pics here to identify which model yours might be
https://www.thesamba.com/vw/forum/viewtopic.php?t=143138
One stamping might be a C and something else (might also be dings in metal); don't know about other 4 digit number. |
It's on my 1977 westy so I think it's not a 69 transmission |
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70bus
Samba Member
Joined: July 15, 2004
Posts: 1892
Location: P.O.
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| Posted: Mon Dec 22, 2025 4:04 pm Post subject: Re: Transmission dating |
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Well, a 79 transmission on a 77 means it's a replacement of some kind. I am probably wrong but I don't think a 69 trans goes into a 77 even with some modifications, but obviously a 79 will.
_________________
Craig K
70 Neunsitzer
65 Pritschenwagen
"If Von Dutch was alive, he'd walk in there with a pistol and shoot these people." - Robert Williams
Raoul the 65 singlecab
Karl the 70 nine-seater |
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 52791
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| Posted: Mon Dec 22, 2025 8:54 pm Post subject: Re: Transmission dating |
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| fatmatt650 wrote: |
| KTPhil wrote: |
| I was thinking something different when I saw the topic Tranny Dating... |
I'm actually contemplating trans reassignment surgery on my 1970. I've got a perfectly good '72 transmission and type 4 engine in my '72 rust bucket camper and am about to do a DTM upright fan conversion to swap the type 4 motor and trans from the '72 into the 1970. The 1970 currently has no motor/transmission. It looks to me like all the different year transmissions have the same two bolts sticking out the front and all you have to do to swap them is get the correct transmission to body mount that bolts to them. Can anyone confirm this? |
There is several minor differences between transmissions that can make swapping 002 and 091 trannys a bit difficult. Not a game ender though. |
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70bus
Samba Member
Joined: July 15, 2004
Posts: 1892
Location: P.O.
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| Posted: Mon Dec 22, 2025 8:59 pm Post subject: Re: Transmission dating |
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Yes, as MANY people on this web page have documented, ANYthing is possible with enough effort - and sometimes not enough sense!
So OP, look at those pages of transmission pics, count your ribs, and let us know if you figure out what you have.
_________________
Craig K
70 Neunsitzer
65 Pritschenwagen
"If Von Dutch was alive, he'd walk in there with a pistol and shoot these people." - Robert Williams
Raoul the 65 singlecab
Karl the 70 nine-seater |
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| Back to top |
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fatmatt650
Samba Member
Joined: November 18, 2008
Posts: 212
Location: Pacifica, Ca
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| Posted: Mon Dec 22, 2025 9:04 pm Post subject: Re: Transmission dating |
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| Wildthings wrote: |
| fatmatt650 wrote: |
| KTPhil wrote: |
| I was thinking something different when I saw the topic Tranny Dating... |
I'm actually contemplating trans reassignment surgery on my 1970. I've got a perfectly good '72 transmission and type 4 engine in my '72 rust bucket camper and am about to do a DTM upright fan conversion to swap the type 4 motor and trans from the '72 into the 1970. The 1970 currently has no motor/transmission. It looks to me like all the different year transmissions have the same two bolts sticking out the front and all you have to do to swap them is get the correct transmission to body mount that bolts to them. Can anyone confirm this? |
There is several minor differences between transmissions that can make swapping 002 and 091 trannys a bit difficult. Not a game ender though. |
I was gonna buy the 68-71 front transmission mount and dive in. Any advice? Any adapters or mods I'll need to handle? I hava another trans out of a '72 in the shop and it looks like the shift linkage dealie might be a different diameter but I haven't measured them yet.
_________________
62 Single Cab
70 bug
72 Hightop
72 Hightop
"So much to do...so little time." |
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SGKent
Samba Member
Joined: October 30, 2007
Posts: 43007
Location: at the beach in Northern Wokistan
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| Posted: Mon Dec 22, 2025 9:14 pm Post subject: Re: Transmission dating |
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what are you trying to accomplish in the end here?
_________________
 Canned Water - the new California approved parts cleaner (except in a drought in which case rub it with sand).
George Carlin:
"Most people don't know what they're doing, and a lot of them are really good at it."
Skills@EuroCarsPlus:
"never time to do it right but always time to do it twice"
1971 deluxe (sold)
1977 deluxe |
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fatmatt650
Samba Member
Joined: November 18, 2008
Posts: 212
Location: Pacifica, Ca
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| Posted: Mon Dec 22, 2025 10:42 pm Post subject: Re: Transmission dating |
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| SGKent wrote: |
| what are you trying to accomplish in the end here? |
Functional daily driver/camper. My beloved '72 hi-top, that's been fulfilling that role for nearly 20 years, went up in flames two years ago. I found another '72 w/ good engine and transmission but pretty thoroughly rotted out, ostensibly as an organ donor to get my burnt bus back on the road but upon closer inspection, decided it was too burnt to deal with. I came across a '70 in good condition but with no engine or transmission and decided to build it instead. I like the look of the early bay and the robustness and power of the type 4 (1832cc in the rusty '72 I'm driving now) and I've heard nothing but good things about the DTM conversion.
_________________
62 Single Cab
70 bug
72 Hightop
72 Hightop
"So much to do...so little time." |
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Abscate
Samba Member
Joined: October 05, 2014
Posts: 24525
Location: NYC/Upstate/ROW
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| Posted: Tue Dec 23, 2025 1:14 am Post subject: Re: Transmission dating |
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Just reporting that a quick Google search for โ trans datingโ revealed inpertinent responses
_________________
๐บ๐ธ ๐บ๐ธ ๐บ๐ธ ๐บ๐ธ ๐บ๐ธ ๐บ๐ธ ๐บ๐ธ ๐ ๐ ๐ |
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SGKent
Samba Member
Joined: October 30, 2007
Posts: 43007
Location: at the beach in Northern Wokistan
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| Posted: Tue Dec 23, 2025 9:09 am Post subject: Re: Transmission dating |
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| fatmatt650 wrote: |
| SGKent wrote: |
| what are you trying to accomplish in the end here? |
Functional daily driver/camper. My beloved '72 hi-top, that's been fulfilling that role for nearly 20 years, went up in flames two years ago. I found another '72 w/ good engine and transmission but pretty thoroughly rotted out, ostensibly as an organ donor to get my burnt bus back on the road but upon closer inspection, decided it was too burnt to deal with. I came across a '70 in good condition but with no engine or transmission and decided to build it instead. I like the look of the early bay and the robustness and power of the type 4 (1832cc in the rusty '72 I'm driving now) and I've heard nothing but good things about the DTM conversion. |
So the real question is what will fit the 1970 I am building? Or is it what will fit the 1972 I am driving?
_________________
Canned Water - the new California approved parts cleaner (except in a drought in which case rub it with sand).
George Carlin:
"Most people don't know what they're doing, and a lot of them are really good at it."
Skills@EuroCarsPlus:
"never time to do it right but always time to do it twice"
1971 deluxe (sold)
1977 deluxe |
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| Back to top |
|
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fatmatt650
Samba Member
Joined: November 18, 2008
Posts: 212
Location: Pacifica, Ca
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| Posted: Tue Dec 23, 2025 1:48 pm Post subject: Re: Transmission dating |
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| SGKent wrote: |
| fatmatt650 wrote: |
| SGKent wrote: |
| what are you trying to accomplish in the end here? |
Functional daily driver/camper. My beloved '72 hi-top, that's been fulfilling that role for nearly 20 years, went up in flames two years ago. I found another '72 w/ good engine and transmission but pretty thoroughly rotted out, ostensibly as an organ donor to get my burnt bus back on the road but upon closer inspection, decided it was too burnt to deal with. I came across a '70 in good condition but with no engine or transmission and decided to build it instead. I like the look of the early bay and the robustness and power of the type 4 (1832cc in the rusty '72 I'm driving now) and I've heard nothing but good things about the DTM conversion. |
So the real question is what will fit the 1970 I am building? Or is it what will fit the 1972 I am driving? |
What will fit the 1970 that I'm building. The one I took out of the burnt one is a relatively low mileage replacement , 3 rib, CK 002 coded, '72. I don't know the code on the running vehicle that I plan to cannibalize but It's also a 3 rib. To summarize -
1970 project bus - no engine or transmission
1972 running but extremely rusty bus with good engine and transmission that I plan to transplant into the 1970 project bus
Also have the transmission from the '72 burnt bus. It was replaced about 10 years ago but is in good condition with relatively low miles.
_________________
62 Single Cab
70 bug
72 Hightop
72 Hightop
"So much to do...so little time." |
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fatmatt650
Samba Member
Joined: November 18, 2008
Posts: 212
Location: Pacifica, Ca
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| Posted: Tue Dec 23, 2025 2:35 pm Post subject: Re: Transmission dating |
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| Wildthings wrote: |
| fatmatt650 wrote: |
| KTPhil wrote: |
| I was thinking something different when I saw the topic Tranny Dating... |
I'm actually contemplating trans reassignment surgery on my 1970. I've got a perfectly good '72 transmission and type 4 engine in my '72 rust bucket camper and am about to do a DTM upright fan conversion to swap the type 4 motor and trans from the '72 into the 1970. The 1970 currently has no motor/transmission. It looks to me like all the different year transmissions have the same two bolts sticking out the front and all you have to do to swap them is get the correct transmission to body mount that bolts to them. Can anyone confirm this? |
There is several minor differences between transmissions that can make swapping 002 and 091 trannys a bit difficult. Not a game ender though. |
Actually, I don't have an 091. I have a CK 002 3 rib from a '72 that I want to put in a vehicle that originally had a 1970 CA 002 3 rib. So no drama mating the type 4 motor because they are already go together. I'm just wondering if I can expect any other fitment issues.
_________________
62 Single Cab
70 bug
72 Hightop
72 Hightop
"So much to do...so little time." |
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palmgreen57
Samba Member
Joined: July 05, 2007
Posts: 397
Location: france
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| Posted: Sat Dec 27, 2025 12:52 pm Post subject: Re: Transmission dating |
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Hello
Transmission was factory Black painted or aluminium finish as earlier Transmission ?
Thank you |
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 52791
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| Posted: Sat Dec 27, 2025 7:35 pm Post subject: Re: Transmission dating |
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| fatmatt650 wrote: |
Actually, I don't have an 091. I have a CK 002 3 rib from a '72 that I want t o put in a vehicle that originally had a 1970 CA 002 3 rib. So no drama mating the type 4 motor because they are already go together. I'm just wondering if I can expect any other fitment issues. |
The nose cone needs to match the shift rod rod, there being a 12mm or so different length between early and late. |
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palmgreen57
Samba Member
Joined: July 05, 2007
Posts: 397
Location: france
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| Posted: Sun Dec 28, 2025 1:44 pm Post subject: Re: Transmission dating |
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| palmgreen57 wrote: |
Hello
Transmission was factory Black painted or aluminium finish as earlier Transmission ?
Thank you |
Anyone to help ? |
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