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bm
 
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Default caravan transmission interchange? - 08-11-2004 , 07:48 AM






if i got a 93 caravan with the overdrive tranny.
i was wondering what years had the same tranny?
also is there any other vehicles (cars or vans) that had the same tranny?
i was told that a 93-95 are the same, direct swap.
but what other years..
thanks



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Daniel J. Stern
 
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Default Re: caravan transmission interchange? - 08-11-2004 , 12:22 PM






On Wed, 11 Aug 2004, bm wrote:

Quote:
if i got a 93 caravan with the overdrive tranny. i was wondering what
years had the same tranny?
With FWD, with 3.0 V6: Any '91 to '93 Chrysler-built FWD vehicle with 3.0
V6 and 4-speed auto trans.

With FWD, with 3.3 V6: Any '93 to '95 Chrysler-built FWD vehicle with
transverse 3.3 V6 and 4-speed auto trans (everything except LH-cars)

With AWD, with 3.3 V6: Any '92 to '95 Chrysler-built AWD vehicle with 3.3
V6 and 4-speed auto trans.



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Bill
 
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Default Re: caravan transmission interchange? - 08-11-2004 , 10:49 PM



Obviously the trans from a 3.0 won't bolt up to a 3.3 or 3.8 and the 3.3/3.8
case won't bolt up to a 3.0. The 3.3 and 3.8 trans' have different overall
top gear ratios that are set by the number of teeth on the differential ring
gear, transfer shaft , transfer gear and the output gear. a mismatch in any
of these can cause an engine to seem like it is a dog (putting a 3.8 trans
behind a 3.3) but it always screws up the speedo and that can't be corrected
with pinion factor adjustment in the TCM because the correct numbers for
that OTGR aren't available for that engine package in the TCM. That requires
that you put the right OTGR trans in it or change all the afore mentioned
parts to the correct gears with the right number of teeth.
SOOOOOooooo... the easiest and most accurate thing to do is get the assembly
number off the case and cross it to the correct trans Oh, that number is
pin punched in the sealing surface for the transfer gear cover at the
bottom. It begins with PK then a 7 or 8 digit number followed by 4 digit
build date followed by a 4 digit sequence number.

Bill


"Daniel J. Stern" <dastern (AT) 127 (DOT) 0.0.1> wrote

Quote:
On Wed, 11 Aug 2004, bm wrote:

if i got a 93 caravan with the overdrive tranny. i was wondering what
years had the same tranny?

With FWD, with 3.0 V6: Any '91 to '93 Chrysler-built FWD vehicle with 3.0
V6 and 4-speed auto trans.

With FWD, with 3.3 V6: Any '93 to '95 Chrysler-built FWD vehicle with
transverse 3.3 V6 and 4-speed auto trans (everything except LH-cars)

With AWD, with 3.3 V6: Any '92 to '95 Chrysler-built AWD vehicle with 3.3
V6 and 4-speed auto trans.




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Daniel J. Stern
 
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Default Re: caravan transmission interchange? - 08-11-2004 , 11:33 PM



On Wed, 11 Aug 2004, Bill wrote:

Quote:
Obviously the trans from a 3.0 won't bolt up to a 3.3 or 3.8 and the 3.3/3.8
case won't bolt up to a 3.0. The 3.3 and 3.8 trans' have different overall
top gear ratios
<snip a bunch of accurate but pointless stuff>

Er, yes. That is why I wrote what I did, to wit:

--

Quote:
With FWD, with 3.0 V6: Any '91 to '93 Chrysler-built FWD vehicle with 3.0
V6 and 4-speed auto trans.

With FWD, with 3.3 V6: Any '93 to '95 Chrysler-built FWD vehicle with
transverse 3.3 V6 and 4-speed auto trans (everything except LH-cars)

With AWD, with 3.3 V6: Any '92 to '95 Chrysler-built AWD vehicle with 3.3
V6 and 4-speed auto trans.
--

You see, this way, the original poster -- having neglected to tell us
which engine he has and whether his 1993 is a FWD or an AWD model -- gets
a gentle reminder that this is necessary information, but gets the answer
regardless of which of the engine/drive options his van has.

DS


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bm
 
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Default Re: caravan transmission interchange? - 08-12-2004 , 09:53 AM



hi
thanks for the posts, sorry its a FWD. i got a tranny from an 90 caravan,
and it looks the same, but you say only from 91? so i guess it wont work?
thanks for all the help

"Daniel J. Stern" <dastern (AT) 127 (DOT) 0.0.1> wrote

Quote:
On Wed, 11 Aug 2004, Bill wrote:

Obviously the trans from a 3.0 won't bolt up to a 3.3 or 3.8 and the
3.3/3.8
case won't bolt up to a 3.0. The 3.3 and 3.8 trans' have different
overall
top gear ratios

snip a bunch of accurate but pointless stuff

Er, yes. That is why I wrote what I did, to wit:

--

With FWD, with 3.0 V6: Any '91 to '93 Chrysler-built FWD vehicle with
3.0
V6 and 4-speed auto trans.

With FWD, with 3.3 V6: Any '93 to '95 Chrysler-built FWD vehicle with
transverse 3.3 V6 and 4-speed auto trans (everything except LH-cars)

With AWD, with 3.3 V6: Any '92 to '95 Chrysler-built AWD vehicle with
3.3
V6 and 4-speed auto trans.

--

You see, this way, the original poster -- having neglected to tell us
which engine he has and whether his 1993 is a FWD or an AWD model -- gets
a gentle reminder that this is necessary information, but gets the answer
regardless of which of the engine/drive options his van has.

DS



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Bill
 
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Default Re: caravan transmission interchange? - 08-12-2004 , 08:47 PM



I wouldn't put a 90 in anything. There were very few changes made between
the 89 and the 90 trans( and yes Dan, I know EVERY change made to that trans
between 89 and 03). In other words the 90 trans still had problems, so the
odds of it holding up are low. I would look for a 95. You never said if you
have a 3.3 or a 3.8, there is a big difference in gear ratios. Read my
previous post (even though it didn't seem to impress Dan). The point was get
the right gear ratio.

Bill

"bm" <legomaniac32 (AT) hotmail (DOT) com> wrote

Quote:
hi
thanks for the posts, sorry its a FWD. i got a tranny from an 90 caravan,
and it looks the same, but you say only from 91? so i guess it wont work?
thanks for all the help

"Daniel J. Stern" <dastern (AT) 127 (DOT) 0.0.1> wrote in message
news:Pine.GSO.4.58.0408112330460.10248 (AT) alumni (DOT) engin.umich.edu...
On Wed, 11 Aug 2004, Bill wrote:

Obviously the trans from a 3.0 won't bolt up to a 3.3 or 3.8 and the
3.3/3.8
case won't bolt up to a 3.0. The 3.3 and 3.8 trans' have different
overall
top gear ratios

snip a bunch of accurate but pointless stuff

Er, yes. That is why I wrote what I did, to wit:

--

With FWD, with 3.0 V6: Any '91 to '93 Chrysler-built FWD vehicle
with
3.0
V6 and 4-speed auto trans.

With FWD, with 3.3 V6: Any '93 to '95 Chrysler-built FWD vehicle
with
transverse 3.3 V6 and 4-speed auto trans (everything except LH-cars)

With AWD, with 3.3 V6: Any '92 to '95 Chrysler-built AWD vehicle
with
3.3
V6 and 4-speed auto trans.

--

You see, this way, the original poster -- having neglected to tell us
which engine he has and whether his 1993 is a FWD or an AWD model --
gets
a gentle reminder that this is necessary information, but gets the
answer
regardless of which of the engine/drive options his van has.

DS





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Daniel J. Stern
 
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Default Re: caravan transmission interchange? - 08-13-2004 , 08:20 AM



On Thu, 12 Aug 2004, Bill wrote:

Quote:
I wouldn't put a 90 in anything.
Neither would I.

Quote:
There were very few changes made between the 89 and the 90 trans
Actually, there were many, but even "many" weren't enough!

Quote:
and yes Dan, I know EVERY change made to that trans between 89 and 03
I'm sure.


Quote:
In other words the 90 trans still had problems
So did the '91. So did the '92. And the '93. Also the '94 and '95. Same
with the '96, '97 and '98.

There's a guy in Southern California, not far from Hemi Anderson's shop,
who makes an excellent but very busy living buying very-late-model
Chrysler product writeoffs, removing the trans, discarding the case, and
swapping the guts into earlier-style cases. That's about the only way to
_eliminate_ the problems.



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