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Re: Question for Kirt Koeller: Re Lifetime Fluid?? (archive)

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Posted by Kirt Koeller on September 01, 2001 at 08:05:50:

In Reply to: Question for Kirt Koeller: Re Lifetime Fluid?? posted by Dave Lau on August 31, 2001 at 16:55:15:

Good question I recommend do a trans service once before 50K and 1 before 100K you would like to have 2 services before 100K. I would change the 740 soon and do the 540 now its not too late on the 540 I get nervous around 85K to 95K for 1st service. If you have any other questions give me a call at (616) 748-5735. Take care Dave.
Kirt Koeller

Dear Kirt,

I have been reading the post for a long time but I seldom ask question. I have long realized that you are an expert in automation transmission. I know you recommend to change the so called life time fluid. And I remember you mention changing the fluid on a long negelected trans. will cause problem.

I have a 97-740il with 40K, and a 95-540ia with 70K. Both have original life time fluid. When should I change the 740's ,and is it too late now to change the 540's.
When is the optimal time to change the fluid.
Please advice!!!

Many Thanks!


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