Transmission Fix

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Transmission Fix

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Lucas Transmission Fix is a non-solvent formula that stops slip, hesitation and rough shifting in worn transmissions and completely eliminates most seal leaks. Use in any transmission for preventative maintenance. Use also in light duty manual transmissions to increase shifting ease and transmission life.

Key Benefits

  • Contains no solvents
  • Lowers operating temperatures and stops foaming
  • Can be added to existing fluid without draining any out
  • Effective in an extremely high percentage of cases


  • #10009 - 700ml (Case of 12)


Product Spec Sheet Technical Data Sheet
Safety Data Sheet Safety Data Sheet

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Scott Barnard uses Lucas Transmission Fix for 1984 Nissan/Datsun 300ZX

Dear Lucas Team:

I bought my 1984 Nissan/Datsun 300ZX in early 2000. I have sunk a good amount of money into it within these years, I am a "Z-lover", and intend on keeping the car for many years to come. My Z has over 135,000 miles on it (and to all the enthusiasts out there, it's a non-turbo) and has an automatic tranny. My 4th gear clutch pack is going and two tranny experts told me that it needs to be rebuilt, not just the clutch pack, but the whole thing! $1,800.00 to do the job (from both).

Lately, the converter seemed to chatter like false teeth when changing gears, and when it wasn't chattering, the tranny seemed to be confused as to which gear it should be in! So, I went to a Carquest, and asked the clerk for a "miracle in a bottle", something just for a quick fix, knowing the tranny had to be re-built. But before I asked, I pondered on which chemical to buy. He immediately brought me over to your product, Lucas Oil Transmission Fix, which was twice the price than the rest of the other products. I thought "Hmmm...", and was skeptical. He told me this stuff sells like hotcakes, and that I won't be disappointed. I bought your Transmission Fix, brought it home, filled the tranny, drove it, called the clerk back and said "Holy #@!* !, is this the way my tranny is supposed to act?" The clerk said, "See, I told you so..."

I fell in love with my Z all over again!

Thanks, guys!

Scott Barnard

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