[TR] help

Sun Nov 1 20:20:45 MST 2015

----- Original Message ----- 
From: <triumphs-request at autox.team.net>
To: <triumphs at autox.team.net>
Sent: Sunday, November 01, 2015 2:00 PM
Subject: Triumphs Digest, Vol 8, Issue 271


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> Today's Topics:
>
>   1. Any suggestions ? (Andrew Uprichard)
>   2. Re: Any suggestions ? (Tony Drews)
>   3. Re: Any suggestions ? (Randall)
>   4. Re: Any suggestions ? (Andrew Uprichard)
>   5. Re: Any suggestions ? (Creig Houghtaling)
>   6. Re: Any suggestions ? (TeriAnn J. Wakeman)
>   7. Re: Any suggestions ? (Andrew Uprichard)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 31 Oct 2015 22:45:02 -0400
> From: "Andrew Uprichard" <auprichard at uprichard.net>
> To: <triumphs at autox.team.net>
> Subject: [TR] Any suggestions ?
> Message-ID: <002801d1144f$4fa12db0$eee38910$@uprichard.net>
> Content-Type: text/plain; charset="us-ascii"
>
> New TR3 rebuild with new clutch lines, master cylinder and slave. 
> Silicone
> Dot-5 used throughout.  Clutch still "pumps up"
>
>
>
> Have bled it time and again and no evidence of air in the lines.
>
>
>
> I have been told that some master cylinders are not "silicone-friendly" 
> and
> lead to internal shunting of the fluid.  Any truth to that?  Keep bleeding
> the lines?
>
>
>
> Any suggestion would be great.  Thanks!
>
> Andrew Uprichard
>
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> ------------------------------
>
> Message: 2
> Date: Sat, 31 Oct 2015 21:55:06 -0500
> From: Tony Drews <tony at tonydrews.com>
> To: "Andrew Uprichard"
> <auprichard at uprichard.net>,<triumphs at autox.team.net>
> Subject: Re: [TR] Any suggestions ?
> Message-ID: <20151101025512.C2592A0A64 at relay.mailchannels.net>
> Content-Type: text/plain; charset="us-ascii"; format=flowed
>
> If the master cylinder adjustment is such that the piston in the
> master cylinder can't return to the bottom of the stroke, it won't
> relieve the pressure in the line.  Also, some brake master cylinders
> have some sort of check valve deal that doesn't play well with the
> clutch circuit.  This second scenario is unlikely, I'm banking on the
> first suggestion - adjust the rod between the pedal and the master
> cylinder (shorten it).
>
> Cheers, Tony Drews
>
> At 09:45 PM 10/31/2015, Andrew Uprichard wrote:
>>Content-Type: multipart/alternative;
>>         boundary="----=_NextPart_000_0029_01D1142D.C88F8DB0"
>>Content-Language: en-us
>>
>>New TR3 rebuild with new clutch lines, master cylinder and
>>slave.  Silicone Dot-5 used throughout.  Clutch still "pumps up"
>>
>>Have bled it time and again and no evidence of air in the lines.
>>
>>I have been told that some master cylinders are not
>>"silicone-friendly" and lead to internal shunting of the fluid.  Any
>>truth to that?  Keep bleeding the lines?
>>
>>Any suggestion would be great.  Thanks!
>>
>>Andrew Uprichard
>>
>>** triumphs at autox.team.net **
>>
>>Donate: http://www.team.net/donate.html
>>Archive: http://www.team.net/archive
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>>Unsubscribe/Manage:
>>http://autox.team.net/mailman/options/triumphs/tony@tonydrews.com
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Sat, 31 Oct 2015 22:21:05 -0700
> From: "Randall" <TR3driver at ca.rr.com>
> To: <triumphs at autox.team.net>
> Subject: Re: [TR] Any suggestions ?
> Message-ID: <7D.1A.15558.E31A5365 at cdptpa-oedge03>
> Content-Type: text/plain; charset="us-ascii"
>
>> New TR3 rebuild with new clutch lines, master cylinder and
>> slave.  Silicone Dot-5 used throughout.  Clutch still "pumps up"
>
> Do you mean it holds pressure all the time, or just that the pedal gets 
> higher?
>
> I'd try cracking the fitting loose at the MC outlet and see if that 
> immediately changes the problem.  If it does, then it is a MC
> problem and Tony is probably right about the pushrod being too long (or 
> the stop being misadjusted).  (Another thing to check for
> would be the pedal hanging up and not returning fully.)
>
> If it is just the pedal height changing, though, without holding pressure 
> in the system; then the slave is not returning fully.  The
> spring is weak or the slave is binding.
>
> When I installed a later TR6 gearbox, it moved the clutch slave rearward 
> enough that the return spring was too long.  I had to
> fabricate a tab to stretch the spring a bit farther to get the slave to 
> return reliably under just spring force.
>
> -- Randall
>
>
>
> ------------------------------
>
> Message: 4
> Date: Sun, 1 Nov 2015 07:05:55 -0500
> From: "Andrew Uprichard" <auprichard at uprichard.net>
> To: "'Randall'" <TR3driver at ca.rr.com>, <triumphs at autox.team.net>
> Subject: Re: [TR] Any suggestions ?
> Message-ID: <004301d1149d$aa9b9900$ffd2cb00$@uprichard.net>
> Content-Type: text/plain; charset="us-ascii"
>
> On the first pus, the slave pushrod doesn't move enough to fully 
> disengage,
> but the second push is fine (rod moves probably a quarter-inch more).
>
> Bled the line at the master cylinder, but that didn't help.  The master 
> had
> been rebuilt, so I replaced it with a new one:  the slave was new from the
> get-go.
>
> Andrew
>
> -----Original Message-----
> From: Triumphs [mailto:triumphs-bounces at autox.team.net] On Behalf Of 
> Randall
> Sent: Sunday, November 01, 2015 1:21 AM
> To: triumphs at autox.team.net
> Subject: Re: [TR] Any suggestions ?
>
>> New TR3 rebuild with new clutch lines, master cylinder and slave.
>> Silicone Dot-5 used throughout.  Clutch still "pumps up"
>
> Do you mean it holds pressure all the time, or just that the pedal gets
> higher?
>
> I'd try cracking the fitting loose at the MC outlet and see if that
> immediately changes the problem.  If it does, then it is a MC problem and
> Tony is probably right about the pushrod being too long (or the stop being
> misadjusted).  (Another thing to check for would be the pedal hanging up 
> and
> not returning fully.)
>
> If it is just the pedal height changing, though, without holding pressure 
> in
> the system; then the slave is not returning fully.  The spring is weak or
> the slave is binding.
>
> When I installed a later TR6 gearbox, it moved the clutch slave rearward
> enough that the return spring was too long.  I had to fabricate a tab to
> stretch the spring a bit farther to get the slave to return reliably under
> just spring force.
>
> -- Randall
>
>
> ** triumphs at autox.team.net **
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/archive
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>
>
>
> ------------------------------
>
> Message: 5
> Date: Sun, 1 Nov 2015 06:27:58 -0600
> From: Creig Houghtaling <creig555 at live.com>
> To: "'Andrew Uprichard'" <auprichard at uprichard.net>,
> <triumphs at autox.team.net>
> Subject: Re: [TR] Any suggestions ?
> Message-ID: <BLU171-DS37896902DDF24C78029934EC2D0 at phx.gbl>
> Content-Type: text/plain; charset="us-ascii"
>
> With my TR6, the bleed screw on the slave cylinder is not at the highest
> point in the slave cylinder when it is mounted.  So I dismounted the
> cylinder and rotated the cylinder so that the bleed screw was at the 
> highest
> point.  Bled it.  Then remounted the slave.  Is that possibly an issue 
> with
> the TR3?
>
> Creig Houghtaling
>
> St. Louis, MO
>
>
>
> From: Triumphs [mailto:triumphs-bounces at autox.team.net] On Behalf Of 
> Andrew
> Uprichard
> Sent: Saturday, October 31, 2015 9:45 PM
> To: triumphs at autox.team.net
> Subject: [TR] Any suggestions ?
>
>
>
> New TR3 rebuild with new clutch lines, master cylinder and slave. 
> Silicone
> Dot-5 used throughout.  Clutch still "pumps up"
>
>
>
> Have bled it time and again and no evidence of air in the lines.
>
>
>
> I have been told that some master cylinders are not "silicone-friendly" 
> and
> lead to internal shunting of the fluid.  Any truth to that?  Keep bleeding
> the lines?
>
>
>
> Any suggestion would be great.  Thanks!
>
> Andrew Uprichard
>
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>
> ------------------------------
>
> Message: 6
> Date: Sun, 1 Nov 2015 07:30:20 -0700
> From: "TeriAnn J. Wakeman" <tjwakeman at gmail.com>
> To: triumphs at autox.team.net
> Subject: Re: [TR] Any suggestions ?
> Message-ID: <563621FC.6000302 at gmail.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
>
>
> On 11/1/15 5:05 AM, Andrew Uprichard wrote:
>> On the first pus, the slave pushrod doesn't move enough to fully 
>> disengage,
>> but the second push is fine (rod moves probably a quarter-inch more).
>>
>> Bled the line at the master cylinder, but that didn't help.  The master 
>> had
>> been rebuilt, so I replaced it with a new one:  the slave was new from 
>> the
>> get-go.
>>
> Did you try Tony's suggestion?  And you have a new flex line as well
> right?  One thing I learned to do is to blow through a new rubber flex
> line before installing it.  Once I bought one that had a fitting crimp
> that was so tight it completely closed off the inside of the hose.  So
> it is conceivable that a crimp has almost closed off the hose.  And some
> systems seem to really love retaining bubbles.  For those a pressure
> bleed is the only way to get them all out.
>
> TeriAnn
>
>
> ------------------------------
>
> Message: 7
> Date: Sun, 1 Nov 2015 09:59:29 -0500
> From: "Andrew Uprichard" <auprichard at uprichard.net>
> To: "'TeriAnn J. Wakeman'" <tjwakeman at gmail.com>,
> <triumphs at autox.team.net>
> Subject: Re: [TR] Any suggestions ?
> Message-ID: <006001d114b5$ea0e5920$be2b0b60$@uprichard.net>
> Content-Type: text/plain; charset="us-ascii"
>
> TeriAnn:  I am thinking it has to be air, so I will try what you suggest.
> Thanks!
>
> Andrew
>
> -----Original Message-----
> From: Triumphs [mailto:triumphs-bounces at autox.team.net] On Behalf Of 
> TeriAnn
> J. Wakeman
> Sent: Sunday, November 01, 2015 9:30 AM
> To: triumphs at autox.team.net
> Subject: Re: [TR] Any suggestions ?
>
>
>
> On 11/1/15 5:05 AM, Andrew Uprichard wrote:
>> On the first pus, the slave pushrod doesn't move enough to fully
>> disengage, but the second push is fine (rod moves probably a quarter-inch
> more).
>>
>> Bled the line at the master cylinder, but that didn't help.  The
>> master had been rebuilt, so I replaced it with a new one:  the slave
>> was new from the get-go.
>>
> Did you try Tony's suggestion?  And you have a new flex line as well 
> right?
> One thing I learned to do is to blow through a new rubber flex line before
> installing it.  Once I bought one that had a fitting crimp that was so 
> tight
> it completely closed off the inside of the hose.  So it is conceivable 
> that
> a crimp has almost closed off the hose.  And some systems seem to really
> love retaining bubbles.  For those a pressure bleed is the only way to get
> them all out.
>
> TeriAnn
>
> ** triumphs at autox.team.net **
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/archive
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> http://autox.team.net/mailman/options/triumphs/auprichard@uprichard.net
>
>
>
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>
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