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Old 05-01-2010, 11:40 AM
 
48,519 posts, read 80,998,062 times
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i have always listen to a friend who works on trannies. He bascially said that if pewople changed their fl;uid once a year ;he would be out of business.I have always chnaged the fuid more often than recommended and never had a problem.Transmision fluid worse enemy is heat form everyhting I have read.
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Old 05-01-2010, 02:06 PM
 
1,309 posts, read 2,887,443 times
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Quote:
Originally Posted by Robzherenow View Post
I just took my car in for an oil change. The service guy came out and asked me when was the last time I changed my transmission fluid.

(I have a 2006 SUV with only $30K miles on it; never pulled trailors, usually not in stop and go trafffic, etc)

He said that I should get it done "every year". He said that if I do it, it will save me from ruining the transmission and paying out $4000". He quoted his price and then started pretty much begging me to let him do it.

This made me suspicious and I told him I will come back another time.


Is there anything wrong with this picture?
A lot of people have their transmissions go out at 30K to 40K miles. Especially people who drive Chryslers. Being semi-paranoid, if I drove a car noted for transmission issues*, I'd change the fluid every 20K miles.

* Consumer Reports ($25 per year online subscription) has an excellent database on owner experiences with various makes and models. It's far more useful than the JD Power initial quality survey, which is helpful only to people who want to know how a new car drives and looks when it's brand new.
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Old 05-02-2010, 06:12 AM
 
76 posts, read 558,674 times
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How much does a fluid change and filter usually cost?
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Old 05-02-2010, 11:07 AM
 
5,879 posts, read 7,687,219 times
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Quote:
Originally Posted by frecny View Post
How much does a fluid change and filter usually cost?
If you do it yourself usually less than $50. If you take it in IDK! I don't get ripped!LOL.........
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Old 05-02-2010, 11:19 AM
 
5,879 posts, read 7,687,219 times
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It costs me more because I use synthetic fluid and a Motorcraft filter. My tranny pan has a drain plug and is out in the wide open to get to. A typical fluid and filter change takes me about 8 quarts in my '02 F-250 SD Diesel. The pan bolts I use a cordless drill with a 10MM socket adapter to remove them (((only))) ! Do not use it to reinstall or tighten them. I always use a digital torque wrench to tighten in a alternating pattern per manufacturer specs (about 10-12 FTLBS).
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Old 05-02-2010, 11:46 AM
 
380 posts, read 1,045,455 times
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every 30K is what ive always done.
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Old 05-02-2010, 12:22 PM
 
Location: Imaginary Figment
11,457 posts, read 12,348,479 times
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Quote:
Originally Posted by Robzherenow View Post
I just took my car in for an oil change. The service guy came out and asked me when was the last time I changed my transmission fluid.

(I have a 2006 SUV with only $30K miles on it; never pulled trailors, usually not in stop and go trafffic, etc)

He said that I should get it done "every year". He said that if I do it, it will save me from ruining the transmission and paying out $4000". He quoted his price and then started pretty much begging me to let him do it.

This made me suspicious and I told him I will come back another time.


Is there anything wrong with this picture?
Depends on how much you drive I guess.

I change mine every 15k or so with new filter. Bought with 33k and now has almost 200k and not a problem.
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Old 05-03-2010, 07:19 AM
 
14,777 posts, read 34,490,118 times
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Quote:
Originally Posted by las vegas drunk View Post
You have to be kidding about going 100k on ANY transmission fluid. It all depends on the climate. In Phoenix, we have to change the fluid ever 15,000 miles. 30,000 miles is right in a colder climate. The mechanic was not trying to scam.
Well, being in the fleet maintenance industry I can find you several hundred thousand vehicles going 100k on tranny fluid. The first line of my post sums it all up, do what the manufacturer recommends and most importantly refill with fluid that meets or exceeds manufacturer specs. Doing it more often is throwing money away, doing it less is risking damage.

I don't know what kind of vehicle you drive or what you do with it that the manufacturer recommends 15k mile interval, but whatever floats your boat.
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Old 05-03-2010, 08:50 AM
 
10,696 posts, read 20,114,276 times
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Quote:
Originally Posted by NJGOAT View Post
Well, being in the fleet maintenance industry I can find you several hundred thousand vehicles going 100k on tranny fluid. The first line of my post sums it all up, do what the manufacturer recommends and most importantly refill with fluid that meets or exceeds manufacturer specs. Doing it more often is throwing money away, doing it less is risking damage.

I don't know what kind of vehicle you drive or what you do with it that the manufacturer recommends 15k mile interval, but whatever floats your boat.
The problem with that thinking is you won't find the damage until later. Chances are the fluid is burnt by 100k and that means no lubrication and a breakdown in the fluid itself.

In Vegas doing stop and go driving where temps can hit 110+ on the asphalt you can bet the fluid life is shortened. I read somewhere that every 50* (or similar number, can't remember exactly) increase in fluid temp decreases its life by half.
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Old 05-03-2010, 02:55 PM
 
5,879 posts, read 7,687,219 times
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Quote:
Originally Posted by wheelsup View Post
The problem with that thinking is you won't find the damage until later. Chances are the fluid is burnt by 100k and that means no lubrication and a breakdown in the fluid itself.

In Vegas doing stop and go driving where temps can hit 110+ on the asphalt you can bet the fluid life is shortened. I read somewhere that every 50* (or similar number, can't remember exactly) increase in fluid temp decreases its life by half.
Right! How many guys pull their magnet at 15-30K and it is coated with shavings? Like every time! I'm not chancing it as fluid and filters are cheep compared to the guy who has a fit when his mechanic tells him his tranny is toast. Oh, SOB! Duh, like you didn't know dude!
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