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Alonso
Dodge Dakota
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9/25/2006
18:11:43

Subject: FLYWHEEL Mystery
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Hi everyone,

Perhaps some of you have seen my posting regarding the knocking noise in my truck.

Well, the mechanic says that the knocking noise is due to a cracked flyweel. I was able to see a few cracks on the flyweel when he put the truck on the lift and I am 90 %sure that the noise is coming from there, so I guess this time I am going to give the mechanic the benefit of the doubt and believe he is right.

By the way the flywheel on my truck is not a solid wheel. What I mean by this is,the flywheel is solid in the middle and then has like a web design to the out side of the wheel and solid again and then the gear that engages with the starter.

I dont know if the flywheel in 1996 Dodge Dakota with Automatic Trans,3.9l trucks is the same as mine or different. I was able to see that the cracks happened on the web design of the flyweel. I was looking online for one but the ones I have seen is a solid wheel and for $400 dollars.


And to make matters worst,my mechanic does not want to remove the transmission until he has the part so that he can do all the job at once, so I am wondering how bad the flywheel really is .(well i guess is really bad since is making so much noise. I am lucky that the flywheel has not broken into fragments)

My problem now is that I am having hard time finding a flywheel. I have called around to junk yards and nobody seems to have it. I was looking online but they say the dont have anything for automatic transmission.

Does anyone know where can I find this part for my truck?

Any help will be greatly appreciated.







OBIO3
Dodge Dakota
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9/25/2006
18:46:55

RE: FLYWHEEL Mystery
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Any junk yard worth there salt should have access to the nation wide hot line for parts. somewhere there is a truck with a flywheel that fits your aplication. they also will have interchange books stating how many years and models will interchange. All needed information to do a good search

So many problems .... So little time



Alonso
Dodge Dakota
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9/25/2006
20:27:53

RE: FLYWHEEL Mystery
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Just another question ....


Automatic transmissions have a flex plate or flywheel? I think there is a big difference between the two and that is why I am having hard time finding it.

I have a feeling that I have been looknig for the wrong part(thanks to my mechanic).

Anyways, I called a few places looking for my "flywheel" and they told me that the flywheel only comes with the manual transmissions.

They said that if my truck has an automatic transmission I am,most likely, looking for a flex plate.

I went to google/images and typed flyweel and it gives me pictures of a solid wheel which I believe a flywheel looks like.

I typed flex plate and it gives me similar pictures of what the "flywheel" in my truck looks like.

Can anyone with mechanic experience can help me out here. Do I need a flex plate or a flywheel?



Sigma
Dodge Dakota
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9/25/2006
21:00:42

RE: FLYWHEEL Mystery
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I've called it a flex plate but just checked the Dodge service manual & they call it a drive plate........ go figure!



94Spt4X4
Dodge Dakota
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9/26/2006
10:38:56

RE: FLYWHEEL Mystery
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You need to find a different mechanic! Where are you located?



daddio
Dodge Dakota
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9/26/2006
10:51:35

RE: FLYWHEEL Mystery
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you're not looking in the right place.

try www.car-part.com

found plenty flex plates for your truck from $15 - $65.



Alonso
Dodge Dakota
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9/26/2006
18:12:19

RE: FLYWHEEL Mystery
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Thanks for your replies guys!

Napa Auto has the flex plate for $15 bucks plus the gear another $27

Thanks for the info Daddio. I will check out the web site.


And yes.. I think I will need to find another mehcanic or do the job myself

I will keep you posted.



J and J Auto
GenII
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9/29/2006
03:07:45

RE: FLYWHEEL Mystery
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Humm a mechanic who don't know the differance
between a flywheel and a flex plate

I would go somewhere else if I were you

manual flywheel
auto flex plate
It has been this way since cars were made

Larry
J&J Auto

OBIO3
Dodge Dakota
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9/29/2006
14:55:28

RE: FLYWHEEL Mystery
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I would buy a used one. Reason. Your going to buy the plate and ring gear seperate. n order to install the ring gear you will need to (my way) put the plate in a freezer for say 2 hours. before removing it, heat the ring gear with a torch. do this nice and even all the way around to prevent warping. Now remove the plate from freezer quickly ans slip the ring gear on. it will slip right on easy. Just be sure it is on streight. Now. If you buy a used one, check the gear teeth all the way around carefully for wear. What most people do not know is an engine stops at the same place most of the time so the gears wear out in that small area sooner. Rickleys beleive it or not lol.

So many problems .... So little time



Forseti
Dodge Dakota
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9/29/2006
16:18:06

RE: FLYWHEEL Mystery
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Ring gear is on the torque converter....



daddio
Dodge Dakota
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9/29/2006
18:34:07

RE: FLYWHEEL Mystery
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What? "Ring gear is on the torque converter...."
i don't think so. the gear has to be on the flexplate.




OBIO3
Dodge Dakota
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9/29/2006
20:18:32

RE: FLYWHEEL Mystery
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He did say ring gears was in addition t the flex plate. It is 2 seperate parts. You well need both . I still say buy used. unless you have a nice shop to put them together in.

So many problems .... So little time



Sigma
Dodge Dakota
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9/29/2006
21:21:31

RE: FLYWHEEL Mystery
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Yes the ring gear is on the TC........Had to file mine as I was replacing the starter. Hard steel, had to take my time...Cleaned up good.

I would think twice about replacing the gear, Lot of work, alignment accuracy a must, plus it is something not done often (by a casual wrench turner).

Anybody else ever replace that gear?



Alonso
Dodge Dakota
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9/30/2006
07:18:21

RE: FLYWHEEL Mystery
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Hi members,

Thanks all for your replies!

When I went to Napa Auto they gave me two parts, the plate and the gear. The guy in Napa told me that I have to weld them together,something Napa Auto can do if my mechanic does not have a clue of what I am talking about. I still looking for a real mechanic before I do removed the transmission and get this problem taking care of.

By the way, I can see that plate craking pretty easily since it does not look very solid.

I keep you posted.



Forseti
Dodge Dakota
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9/30/2006
12:05:48

RE: FLYWHEEL Mystery
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yes the ring gear is on the torque converter .... look at the pic on
http://www.krcperformance.net/newcontent/transmission.html

you tell me marty is wrong about what he sells .. also look at the pic on

http://www.apsprecision.com/TQConverter.html




Sigma
Dodge Dakota
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9/30/2006
17:11:11

RE: FLYWHEEL Mystery
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Alonso,

Is the TC or gear messed up??



J and J Auto
GenII
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10/07/2006
06:41:30

RE: FLYWHEEL Mystery
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forget the torch

heres how I do it

1 in frezer
1 in oven

they go right on

I don't know what is going on here did they ever
thing of the posibility that you have a very
bad lock up shudder

I think where your at now you should go to a
good trans shop have them take a look

Why does the ring gear need to be replaced in
the first place

something just is not ringing right here

Larry
J&J Auto

Alonso
Dodge Dakota
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10/07/2006
20:31:18

RE: FLYWHEEL Mystery
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Hi members,

I got my truck fix.Finally! It was the flexplate, which was craked in many places.

I took it to a transmission shop, and they got it right the first time.

I had bought the parts at Napa Auto but the guy there sold me the wrong parts . I did not need the gear, only the plate. But they flexplate he sold me was not even the right part.

The guy at the transmission shop ordered from the dealer and got it done.


PROMBLEM SOLVED !

Thanks everyone for your replies.



Sigma
Dodge Dakota
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10/12/2006
21:00:29

RE: FLYWHEEL Mystery
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Alonso,

That is great!

Time to enjoy the ride.........



J and J Auto
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10/13/2006
21:06:33

RE: FLYWHEEL Mystery
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Thats the first A500 flex plate I seen go

The jeep 4.0 asian 500 I have seen a lot of them
some snaped right off rumble and shake but still
go down the road

I could not figure why the ring gear its on the
converter how can it get messed up that is also
rare caused by lose starte dirt or debre in gear
very unusual to replace a ring gear on any car
or truck

Hers a good one 1962 chevy belair 283 the guy had
a trans put in after 500 miles he stoped said his
car was sitting down the road so I pulled it in
the old chevts had the ring on the plate it would
start but not move all the bolts fell out of the
converter to flex plate LOL

I caled the guy told him to come get his car he
was all upset about buying a trans said how
much $20 for the bolts and labor

he has been a customer since 1978 after that I
supose a not so honest shop would have sold him
a trans

Larry
J&J Auto

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