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FerrariChat.com » Technical Q&A Archives » Archive through April 06, 2002 » 348 Leak Bottom of Clutch Housing « Previous Next »

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Dino Micalizio (Ingenere)
New member
Username: Ingenere

Post Number: 6
Registered: 12-2001
Posted on Saturday, March 16, 2002 - 2:02 am:   

I have had my 348 for 11 years and done a number of performance mods. I had the problem that is being discussed here. The O rings will simply dry out and begin to leak. It is an easy replacement. I have had to do it twice in 11 years. So it's no big deal. If anyone has any 348 challenges I would be happy to try to help. I track mine and have done my own major on the car, so I may be able to give some insight into 348 ownership
Ernie Bonilla (Ernie)
Junior Member
Username: Ernie

Post Number: 201
Registered: 11-2001
Posted on Thursday, March 14, 2002 - 4:51 pm:   

One thing to check when you get the clutch out is the fly wheel. I had to have mine replaced. The fly wheel is a three piece part that is filled with grease (on the twin plant clutch). If the seals start to go bad on the fly wheel it can cook the plastic spring guides inside the clutch. That is what happened to mine cause the previous owners poorly took care of this car. Continuing, one of the reasons the clutch will go out is cause the seals go bad on the fly wheel and start to throw grease all over the clutch causing it to slip. Then the clutch goes next. So just as a measure of caution, checked the fly wheel for leaks also.
John J Stecher (Jjstecher)
Junior Member
Username: Jjstecher

Post Number: 56
Registered: 1-2002
Posted on Monday, March 11, 2002 - 9:45 am:   

Alright thanks Chris.....damnit thats some more money out the door. I was hoping it would be much simpler and just something like a leaky gasket. But its better to fix it and spend the money than just patch it. Thanks for your help Chris!
Cmparrf40 (Cmparrf40)
Junior Member
Username: Cmparrf40

Post Number: 58
Registered: 3-2002
Posted on Monday, March 11, 2002 - 9:43 am:   

John, that is what I remember paying, that was 3+ years ago. (plus labor). Chris
John J Stecher (Jjstecher)
Junior Member
Username: Jjstecher

Post Number: 55
Registered: 1-2002
Posted on Monday, March 11, 2002 - 12:23 am:   

cmparrf40 how much did you pay for the new assembly? I havent been able to contact TRuts. I know as some has said before that from any Ferrari dealer in America the upgraded ones are approximatley $1250.
Cmparrf40 (Cmparrf40)
Junior Member
Username: Cmparrf40

Post Number: 56
Registered: 3-2002
Posted on Sunday, March 10, 2002 - 11:57 pm:   

Joseph, been there, done that! I had a '90 348TB, same deal. You can rebuild your clutch slave cylinder, but, from my experience, you are probably throwing good money after bad. The orginal design is flawed, and new O rings are a tempory fix. Ferrari came out with a revised cylinder for 348's and TR's. Get ready to write a check...
BretM (Bretm)
Intermediate Member
Username: Bretm

Post Number: 1944
Registered: 2-2001
Posted on Sunday, March 10, 2002 - 8:17 pm:   

If it's leaking then it will just progressively be harder to shift until it eventually can't be taken out of gear with the car running (unless you want to bang gears). You'll know when it starts going and you almost always have a fair warning before it totally goes.
Brian stewart (Eurocardoc)
Junior Member
Username: Eurocardoc

Post Number: 215
Registered: 11-2001
Posted on Sunday, March 10, 2002 - 8:11 pm:   

It seems thicker and blacker because it washes down puicking up the clutch dust on the way out. One day the pedal will go to the floor and not return!!!
JBuffa (Joseph)
New member
Username: Joseph

Post Number: 3
Registered: 2-2002
Posted on Sunday, March 10, 2002 - 6:34 pm:   

John,

It looks like hydraulic fluid. I think Brian is correct. I'm going to change the O rings, and I'll keep you posted.
John J Stecher (Jjstecher)
Junior Member
Username: Jjstecher

Post Number: 53
Registered: 1-2002
Posted on Sunday, March 10, 2002 - 6:06 pm:   

Joseph,
I have been under the car for about the past 30 minutes and havent taken anything off but think that the fluid leaking from my clutch housing is coming from a bad gasket around the clutch housing, I am really busy today and didnt get as long to look at it as I would have liked but I am almost positive that this is where my problem lies. What does the fluid your car is leaking look like, mine is a thick black fluid that is leaking. How much is yours leaking? Mine seems to leave a few drops here and there in the garage but I dont know how much I am losing when I am driving the car which is what worries me most!
Arnaldo Torres (Caribe)
Member
Username: Caribe

Post Number: 257
Registered: 2-2001
Posted on Sunday, March 10, 2002 - 10:28 am:   

I had a similar problem with my TR, please check the following discussion:

Oil Dripping From Clutch Housing
Brian stewart (Eurocardoc)
Junior Member
Username: Eurocardoc

Post Number: 214
Registered: 11-2001
Posted on Sunday, March 10, 2002 - 8:21 am:   

There is another post here about the hydraulic seals for the slave cylinder, probably yours is leaking as well. Sometimes find a trace of gear oil, that is not so good, but easily repaired with new O rings on the shafts.
John J Stecher (Jjstecher)
New member
Username: Jjstecher

Post Number: 48
Registered: 1-2002
Posted on Saturday, March 09, 2002 - 10:02 pm:   

By the way Joe, your 348LM is awesome I wanted to buy it from you when you had it up for sale on Ebay. You have any sound clips of it with the straight pipes for an exhaust....I am thinking of making mine straight but want to know how loud she would be.
John J Stecher (Jjstecher)
New member
Username: Jjstecher

Post Number: 47
Registered: 1-2002
Posted on Saturday, March 09, 2002 - 10:00 pm:   

I have the same problem on my 348. I havent been able to isolate the source of the leak yet but have the car up on the jack stands right now as I type this and am planning on looking into it tomorrow. I am thinking I have a leaky gasket that either wasnt installed correctly or is just to old. I'll keep you informed, anyone else who has a knowledge of this problem please let me and Joseph know of your findings....might save me some undo work! Thanks
JBuffa (Joseph)
New member
Username: Joseph

Post Number: 1
Registered: 2-2002
Posted on Saturday, March 09, 2002 - 8:30 pm:   

I have some fluid leaking at the bottom of the clutch housing. It seems to be around the 4 nuts on the small grill right under the clutch. Any sugestions?

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