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Old 09-29-2013, 01:50 AM
 
Location: Yucaipa, California
9,866 posts, read 19,731,773 times
Reputation: 6705

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My 85 olds delta 88 TH-200-4R 4 speed OD trans shifts hard into 3rd gear. The tranny fluid is clean & not burnt. It has 124,100 miles on it & does leak fluid but i keep the pan full. Will lucas trans fix additive work or will it destroy my tranny ? I have heard mixed opinions about lucas trans fix non solvent formula. http://www.lucasoil.com/products/dis...tid=2&loc=show
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Old 09-29-2013, 05:16 AM
 
Location: The Brat Stop
8,347 posts, read 6,445,698 times
Reputation: 2279
//www.city-data.com/forum/31594530-post27.html
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Old 09-29-2013, 05:50 AM
 
1,644 posts, read 2,344,464 times
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I put it in my 04 Sienna van a few weeks ago and it is shifting better than ever

Naturally, this is only temporary, but it works good for me!
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Old 09-29-2013, 08:04 AM
 
Location: New Jersey
334 posts, read 637,701 times
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A lot of the guys on the different Caddy forums have had good luck with the Lucas regarding shifting issues due to sticky shift solenoids. Using it shouldn't hurt the trans if it is otherwise OK.
FWIW
YMMV
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Old 09-29-2013, 08:54 AM
 
14,024 posts, read 20,244,565 times
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What do you mean "shifts hard". Hard quick shifting is actually a good thing (my 700R4 actually is modified to improve the auto shifting to make it hard and fast), although not always desirable from a comfort perspective.
I think you mean it's shifting late. Fluids to expand the seals may help, but no fluid is a miracle fix. But I suspect it may be a misalighned TV cable since the placement is dependent on the trottle cable as well (for 700R4's and I think 200R4s as well). Do you have an aftermarket carb? Be advised - a misalighned TV cable will burn out a transmission in no time.
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Old 09-29-2013, 09:13 AM
 
13,869 posts, read 19,350,769 times
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Run can of Transtune through your trannie for several hundred miles, change ATF, then add Lucas.
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Old 09-29-2013, 10:31 AM
 
Location: The Brat Stop
8,347 posts, read 6,445,698 times
Reputation: 2279
I have used Lucas products in the past with great success. I had a 4 speed manual transmission in my Pontiac Trans Am that was ratty shifting out of first into second. I drained the factory 90W out and put in Lucas 80W-90, took care of shifting problem.

http://www.lucasoil.com/images/produ...E6AAF7CC14.gif
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Old 09-29-2013, 02:24 PM
 
Location: The Circle City. Sometimes NE of Bagdad.
20,643 posts, read 21,434,940 times
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Why didn't you add this to you previous thread on you transmission?

OD Transmission shifts hard into 3rd gear
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Old 09-29-2013, 03:40 PM
 
14,024 posts, read 20,244,565 times
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Quote:
Originally Posted by motormaker View Post
Why didn't you add this to you previous thread on you transmission?

OD Transmission shifts hard into 3rd gear
*sigh* I fear this guy is over-whelmed
You know the best advice I can give the OP is, when you own a 30 year old car, you have to become a "car guy" as a hobby. Or else it becomes very expensive.
He won't get the information he wants here, but by going to dedicated car forums, learning from owners of this transimssion, lots of time spent on your back with the car on jacks and transmission fluid dripping on your face and your hands covered in grease. Problem solving skills and trial-and-error.
That's how I learned - but the end result is total satisfaction, the knowledge you can do it yourself, and the appreciation that you have one of the last generations of automobile that doesn't require a laptop to fix.
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Old 09-29-2013, 10:25 PM
 
Location: Yucaipa, California
9,866 posts, read 19,731,773 times
Reputation: 6705
The tranny "thumps" into 3rd gear.
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