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Old 11-14-2017, 12:43 PM   #20
5littlejoe5
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Join Date: Oct 2017
Location: South Eastern Arizona
Posts: 9

2000 SL1
Default Re: Used transmission installed, but shift pattern is wrong.

Quote:
Originally Posted by OldNuc View Post
Yes, a 91 is way different. How to find out what is exactly in there.
How to check the trans model number. There is no tag. Look right between the top 2 transmission to engine mounting bolts. Clean the area with a rag and brake cleaner, do not use any abrasive! Take a large tip sharpie pen and rub it in the center of the case between those bolts. You will see some 1/2" high dot matrix letters and numbers. They are quite hard to read. You are interested in the first 4 positions.The 1st position is the year code and may be either a number or letter, the 2nd position is the letter M, the 3rd position is the letter P, and the 4th position is a number - either 2 or 3 for manual or 6 or 7 for automatic. You must have the correct MP number for the application or it will not work in the car. These letters/numbers are centered between those top 2 mounting bolts and they are really are there.
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The transmission that is in the car (the one I bought from Michigan) has the first four digits: 2MP6, and once I got it clean, those digits are quite clear.


Year codes.
M--1991
N--1992
P--1993
R--1994
S--1995
T--1996
V--1997
W--1998
X--1999
Y--2000
1--2001
2--2002
It does appear then, that it is a 2002 transmission.

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