GP

"alysoncottini" <alysoncottini@***.net> wrote in message
newsS1jf.1$La5.0@fed1read01...
>
> "Dmitry of NJ" <dmitry.malinsky@gmail.com> wrote in message
> news:1133213483.977503.182260@o13g2000cwo.googlegr oups.com...
>>> Changing the transmission fluid cannot affect the engine. The problems
>>> are most likely unrelated, unless they're electrical. The engine and
>>> trainsmission are both computer controlled and could malfunction due to
>>> voltage irregularities and/or bad connections.
>>
>> Right. What I meant was: How does changing the transmission fluid at a
>> late stage (in my case at nearly 80,000 mi) affect the transmission
>> itself?
>>
>> ... I've heard that doing this dislodges dirt and can be worse than
>> keeping the original fluid, but would like to hear from people who have
>> experience with engines and Hyundai's in particular.
>>
>> Sorry for the misstatement though- I understand what you're saying but
>> it's a bit different than what I was thinking of in my post.
>>
>>
>> Best,
>> Dmitry
>>
--
Changing the transmission fluid will never hurt a transmission. Flushing the
transmission might hurt it. Depending on how much dirt is in there. If in
doubt.change it but don't flush it.
Geoff

GP

"alysoncottini" <alysoncottini@***.net> wrote in message
newsS1jf.1$La5.0@fed1read01...
>
> "Dmitry of NJ" <dmitry.malinsky@gmail.com> wrote in message
> news:1133213483.977503.182260@o13g2000cwo.googlegr oups.com...
>>> Changing the transmission fluid cannot affect the engine. The problems
>>> are most likely unrelated, unless they're electrical. The engine and
>>> trainsmission are both computer controlled and could malfunction due to
>>> voltage irregularities and/or bad connections.
>>
>> Right. What I meant was: How does changing the transmission fluid at a
>> late stage (in my case at nearly 80,000 mi) affect the transmission
>> itself?
>>
>> ... I've heard that doing this dislodges dirt and can be worse than
>> keeping the original fluid, but would like to hear from people who have
>> experience with engines and Hyundai's in particular.
>>
>> Sorry for the misstatement though- I understand what you're saying but
>> it's a bit different than what I was thinking of in my post.
>>
>>
>> Best,
>> Dmitry
>>
--
Changing the transmission fluid will never hurt a transmission. Flushing the
transmission might hurt it. Depending on how much dirt is in there. If in
doubt.change it but don't flush it.
Geoff

John Horner

Dmitry of NJ wrote:
> I've heard that once you reach a certain mileage, it is better to keep
> the original transmission fluid instead of changing it.. Is this true?
> If so, when is it "too late" to change the auto transmission fluid?
> (in relation to what's best for the engine, not warranty)

Old wives tale. Keeping bad fluid in there is never a good thing.

>
> I ask because I recently changed the fluid for the first time on my
> 78,000 mile Sonata (2000, V6). Before the change, the car was getting
> stuck in gear, not shifting well, and the crank sensor code came up
> during a scan. Now, it doesn't even start. I've ordered a new crank
> sensor and really hope that changing the tranny fluid didn't screw up
> the engine beyond the damage that was already there...


The tranny fluid certainly didn't hurt the engine. Something else is
wrong, probably that sensor.

John

John Horner

Dmitry of NJ wrote:
> I've heard that once you reach a certain mileage, it is better to keep
> the original transmission fluid instead of changing it.. Is this true?
> If so, when is it "too late" to change the auto transmission fluid?
> (in relation to what's best for the engine, not warranty)

Old wives tale. Keeping bad fluid in there is never a good thing.

>
> I ask because I recently changed the fluid for the first time on my
> 78,000 mile Sonata (2000, V6). Before the change, the car was getting
> stuck in gear, not shifting well, and the crank sensor code came up
> during a scan. Now, it doesn't even start. I've ordered a new crank
> sensor and really hope that changing the tranny fluid didn't screw up
> the engine beyond the damage that was already there...


The tranny fluid certainly didn't hurt the engine. Something else is
wrong, probably that sensor.

John

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