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Re: [Nobbc] Clutch Problems

To: "North Bay British Car Club" <nobbc@autox.team.net>
Subject: Re: [Nobbc] Clutch Problems
From: "Mike Gianandrea" <mvg1@verizon.net>
Date: Wed, 03 Jun 2009 18:04:39 -0700
Thank you Wendell, more good information.

Michael
64 TR4
----- Original Message ----- 
From: "wendell bain" <wbain@sonic.net>
To: "North Bay British Car Club" <nobbc@autox.team.net>
Sent: Wednesday, June 03, 2009 1:18 PM
Subject: Re: [Nobbc] Clutch Problems


> Hi Michael,
> I had two TR-3's and two TR-4's. I would agree with all below.
> One item not covered in this list is the pilot bushing in the end
> of the crankshaft. If it is worn, it can allow the transmission
> input shaft to move and might cause problems of the type
> you are describing. Just something more to check.
> 
> All the best,
> 
> Wendell Bain
> 59 Morgan +4
> 
> On Jun 3, 2009, at 12:22 PM, Robin Jackson wrote:
> 
>> Make sure you have correct freeplay. Chattering may be oil on the  
>> driven
>> disc; usually called judder. Groaning must emminate from moving parts:
>> operating shaft, fork, release bearing, pressure plate. (I have  
>> seen the
>> tapered pin wear and/or loosen, allowing the fork to turn on the  
>> shaft. )
>>
>> I would (1) check the freeplay,(2)  bleed the system and ensure  
>> there is no
>> bubbling in your bleed jar, if that's what you use. (I have  
>> sometimes had to
>> use a pressure system.) (3) test - Have someone release the clutch  
>> (engine
>> off) and watch the pushrod for movement. Put the car in gear,  
>> release the
>> clutch and have someone rock the car by hand. it should roll if the  
>> clutch
>> is disengaging.
>>
>> If all that is correct, you still have the chattter and groaning,  
>> which may
>> entail pulling the tran for an inspection. And replacing the rear  
>> seal.
>>
>> Hope this helps a bit. I'll be out of town through this Sunday. Let  
>> us know
>> how it goes
>>
>> Rob
>> On Wed, Jun 3, 2009 at 7:24 AM, Mike Gianandrea <mvg1@verizon.net>  
>> wrote:
>>
>>> Hi Robin and Mitch,
>>>
>>> I have owned this car since 1975, daily driver until 1982, situations
>>> change, lost my job and the rear seal, and the car sat until the  
>>> engine was
>>> rebuilt in 1987. I put a new clutch in with the rebuild, drove the  
>>> car very
>>> little until 1995, sold her, and got her back in 1997, and still  
>>> has very
>>> few miles on the motor and clutch. She sat in  my garage until  
>>> last month
>>> when I brought her back to life, and after 12 years of sitting,  
>>> all of the
>>> hydraulics went south. I replaced the brake, MC, rear cylinders  
>>> and axel
>>> seals immediately, and then the clutch hydraulics last week, but  
>>> the slave
>>> was put in upside down with the bleed nipple down, and very little  
>>> time to
>>> bleed it before  we put the MC in last Friday. So I need to  
>>> reposition and
>>> bleed the slave this week, BUT the old slave was in upside down as  
>>> well, and
>>> I did not have this new problem. It could be the clutch plate, oil  
>>> on it
>>> maybe, I am hoping the problem goes away after repositioning and  
>>> bleeding
>>> the slave. I do have a pretty good oil leak at the rear seal, and  
>>> the rear
>>> end of the tranny, I hope I don't have oil on the clutch plate.  
>>> But this
>>> groaning chatter only appeared when we put the new clutch MC in,  
>>> and now she
>>> chatters and groans, and kind of slides into gear when I shift.  
>>> After 34
>>> years with this car, this is a new one on me.  I think the  
>>> consensous will
>>> be oil on the clutch plate. Any ideas? All suggestions will be  
>>> greatly
>>> appreciated. I can't tell you how much fun  it is to drive my baby  
>>> once
>>> again after all these years, it will be more fun when I've gotten  
>>> rid of all
>>> the bugaboos and noises.
>>>
>>> Michael
>>> 64 TR4
>>>
>>> ----- Original Message ----- From: "Robin Jackson"  
>>> <apexbrit2@gmail.com>
>>> To: "North Bay British Car Club" <nobbc@autox.team.net>
>>> Sent: Tuesday, June 02, 2009 8:05 PM
>>> Subject: Re: [Nobbc] Clutch Problems
>>>
>>>
>>>   Michael - I have a couple of questions to help clarify, in my  
>>> mind, your
>>>> description of the problem. First, why was it necessary to change  
>>>> out the
>>>> M/C and slave? Were the seals bad, did you have a problem  
>>>> shifting, were
>>>> you
>>>> losing fluid? Is the "chattering" just something you hear (like the
>>>> groaning) or do you feel it when you release the clutch? Did it  
>>>> help to
>>>> rebleed the system?
>>>>
>>>> On Tue, Jun 2, 2009 at 9:02 AM, Mike Gianandrea  
>>>> <mvg1@verizon.net> wrote:
>>>>
>>>> Hello all,
>>>>>
>>>>> Last week I put new master and slave cylinders in my TR 4. The  
>>>>> clutch
>>>>> works
>>>>> great, but when I shift, the clutch petal chatters and groans  
>>>>> under foot.
>>>>> We
>>>>> are bleeding the line again this morning, but this is something  
>>>>> I have
>>>>> not
>>>>> seen before. Any ideas?
>>>>>
>>>>> Michael
>>>>> 64 TR4
>>>>> _______________________________________________
>>>>> Nobbc mailing list
>>>>> Nobbc@autox.team.net
>>>>> http://autox.team.net/mailman/listinfo/nobbc
>>>>>
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