I've done a poor mans rebuild on a few transmissions. Its pretty easy to
swap out the layshaft.
On Feb 5, 2012 4:00 PM, "Jerry Van Vlack" <jerryvv@roadrunner.com> wrote:
> Why did you replace the transmission? And what is the known condition of
> the replacement transmission. Was it a "good used" unit? Rebuilt unit? Dave
> is on to something with regard to the lay shaft. It may also be a universal
> joint that acts up under acceleration but does not when no load is on it.
> Doesn't explain no noise in 1st however.
> As a group we need more information as to the reasons for the transmission
> replacement and the condition of the replacement.
> JVV
>
> -----Original Message----- From: Jonas Payne
> Sent: Sunday, February 05, 2012 12:24 PM
> To: Dave1massey@cs.com ; triumphs@autox.team.net
> Subject: Re: [TR] Odd Tapping Noise TR3
>
> Occurrs in 2nd, 3rd and 4th, only while accelerating or at a constant
> RPM - does not occur on deceleration or when not under load.
>
>
>
>
> Jonas Payne
> Vice President of Preconstruction
> Thor Construction
> PH: (702) 269-2007
> Fax: (702) 269-7095
> Cell: (702) 358-5084
>
>
> -----Original Message-----
> From: triumphs-bounces@autox.team.**net <triumphs-bounces@autox.team.net>
> [mailto:triumphs-bounces@**autox.team.net<triumphs-bounces@autox.team.net>]
> On Behalf Of Dave1massey@cs.com
> Sent: Sunday, February 05, 2012 7:32 AM
> To: triumphs@autox.team.net
> Subject: Re: [TR] Odd Tapping Noise TR3
>
> In a message dated 2/4/2012 7:53:49 PM Central Standard Time,
> JPayne@ThorCon.net writes:
>
>> Since I replaced the transmission in my 59 TR3, I have been hearing a
>> tapping noise (Tap, Tap, Tap) that begins at approxitely 3000 RPM and
>> speeds up with the RPMS linearly through 4200 RPM when the engine is
>> under load. It does not do it at idle when revving the engine.
>>
>
> Are you sure it is coming from the engine? I had a similar issue which
> turned out to be the transmission. The 'under load' part seems to point
> in that direction. Also since it started after the transmission
> installation...
>
>
>> It doesn't appear to be tapping at a rate equal to the RPM, but at
>> what seems to be a consistent rate directly related to the RPM. It is
>>
>
> not a valve.
>>
>
> Is there a difference in different gears? Does it go away in fourth?
> If so it is layshaft related. BTDT.
>
> Dave
>
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