1999 Saturn SL1 transmissions

Tiny
WB2010
  • MEMBER
  • 1999 SATURN SL1
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 134,000 MILES
I wanted to know how many gear ratios gm made on there saturn SL1 line because I found a SOHC compatable transmission that the 8th digit in the transmissions and my VIN number both are 8 but since some cars have different gear ratios I wanted to make sure its the right one before I buy it so I know it will work
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Friday, June 18th, 2010 AT 1:50 AM

18 Replies

Tiny
SATURNTECH9
  • EXPERT
What year transmission is the one your looking to buy?
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Friday, June 18th, 2010 AT 12:49 PM
Tiny
WB2010
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Its a 1999 just like my car is
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Friday, June 18th, 2010 AT 9:36 PM
Tiny
SATURNTECH9
  • EXPERT
So it's a 1999 what model is the car it's out of Sw1 Sw2 SL1 SL2 SC1 or Sc2?Let me know so I can tell you if it will work.
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Saturday, June 19th, 2010 AT 4:45 PM
Tiny
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My car is a SL1 and the other transmission came out of a SL1 also
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Saturday, June 19th, 2010 AT 9:11 PM
Tiny
SATURNTECH9
  • EXPERT
If it's a 1999 SL1 like yours then that transmission will work fine.
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Saturday, June 19th, 2010 AT 9:25 PM
Tiny
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I just wanted to check because my college instructed said that most cars have different final gear ratios and the computers might not match all other SL1 models eather
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Sunday, June 20th, 2010 AT 1:32 AM
Tiny
SATURNTECH9
  • EXPERT
Yeah better to be safe then sorry. If you have a 1999 SL1 and the transmission is coming from a 1999 SL1 then you will be ok with the gear ratio's.
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Sunday, June 20th, 2010 AT 2:18 AM
Tiny
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Will the computer work with it too?
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Sunday, June 20th, 2010 AT 12:49 PM
Tiny
SATURNTECH9
  • EXPERT
You can use your old computer the programing is the same no worries.
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Sunday, June 20th, 2010 AT 1:37 PM
Tiny
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Would a transmission from a 2000model SL1 work in my 1999 model SL1?
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Sunday, June 20th, 2010 AT 4:58 PM
Tiny
SATURNTECH9
  • EXPERT
Yes it show's the same part number for both transmission's for both year's.
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Sunday, June 20th, 2010 AT 7:22 PM
Tiny
WB2010
  • MEMBER
Do you happen to know the right size for replacement speakers
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Friday, June 25th, 2010 AT 5:18 PM
Tiny
SATURNTECH9
  • EXPERT
It's a 6.5 inch speaker.
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Saturday, June 26th, 2010 AT 12:07 PM
Tiny
WB2010
  • MEMBER
Is it posibly to change out just the bell housing and the bearing behind it from or transmission to another or would you have to change it all because one of the bearings behind the two seals got loose and cut up into the bellhousing and I was wondering if I would be able to just switch the bellhousing and the seal behind the bell housing out. And how many different types of trannys did they make for a 1999 Saturn sl1 because we got the new tranny in my car now and it drive great in 1st gear but it will not upshift
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Wednesday, July 7th, 2010 AT 1:56 AM
Tiny
SATURNTECH9
  • EXPERT
They only made one 1999 SL1 automatic transmission. It sound's like your output shaft bearing went bad and cut threw the case I have repaired a few transmission's like that. To repair it you would have to replace the torque converter housing the output shaft and bearing also the output shaft because they get damaged. Then you would have to clean everything real good because there is metal shaving's all threw the transmission. See what code's you have then go from there.
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Wednesday, July 7th, 2010 AT 1:31 PM
Tiny
WB2010
  • MEMBER
How do I determine weather I have a mp6 or mp7 transmission for my 1999 Saturn sl1 because I looked on mitchelin at my automotive school and it says there's a mp6 and mp7 transmission for my make model and yr and I was wondering weather that would affect anything
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Wednesday, July 7th, 2010 AT 8:36 PM
Tiny
SATURNTECH9
  • EXPERT
Do you have a 1999 SL1 or SL2 I just looked up the part numbers for both and the 1999 SL1 shows one part number the mp6 and the SL2 shows part numbers for both the mp6 and mp7. That's on mitchell on demand I found that information. If you look in your trunk on the driver side pull the carpet back on the spare tire well cover there's a rpo sticker with a bunch of letters and numbers you will see a mp6 or mp7 on your sticker that tells you what came with the car. Also what yr and model did you get the transmission you have in there now?
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Thursday, July 8th, 2010 AT 12:16 PM
Tiny
WB2010
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On the cardboard piece basicly is where it will tell me? And I have a 1999 SL1 and I got it out of a 2001 SL1
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Thursday, July 8th, 2010 AT 11:56 PM

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