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1991 Honda Civic Transmission Fluid change

Tiny
SLEEPING FOREST
  • MEMBER
  • 1991 HONDA CIVIC
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 200,000 MILES
Ok so my Transmission fluid needs to be changed and I never done it before. I read the owners manual for my car and it says to use Dexron 2. I looked for a brand that was most compatible and it would be Valvoline Dex/Merc. I was thinking about using the Valvoline High Mileage Dex/Merc since it's suppose to help the tranny a bit since mine is older, but i'm not sure about it. Should I just use the regular Dex/Merc Any Advice on this? Also, some of the instructions off Alldata at my school it says that I don't have a filter to change, and that I would have to change the seal on the transmission drain bolt. Is this true?
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Tuesday, April 12th, 2011 AT 11:18 AM

4 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Use Dexron III and yes replace drain plug seal
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Tuesday, April 12th, 2011 AT 3:43 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
This transmission is not equipped with a filter. There is an oil strainer inside the trans and requires disassembly of trans to get at. It is a maintenance free component.

Drain bolt washer/gasket is recommended to be replaced as it is a use and discard component upon removal again. However it is seldome changed, unless the washer ( made of aluminium) is badly squashed.

Trans of the early 90s are not that sensitive to fluids and the minimum required is Dexron II so any fluids that is of a higher specs is ok. Personally I would not spend the extra money.
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Tuesday, April 12th, 2011 AT 4:24 PM
Tiny
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Ik now one last thing is that I wasn't sure where my drain bolt for the transmission was. But tell me if this bolt in the picture with the square cut in it is my drain plug?
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Wednesday, May 4th, 2011 AT 6:43 PM
Tiny
DOCFIXIT
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Yes
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Wednesday, May 4th, 2011 AT 7:39 PM

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