triumphs
[Top] [All Lists]

Re: [TR] Overdrive issues

To: "hdrider570@att.net" <hdrider570@att.net>
Subject: Re: [TR] Overdrive issues
From: Rye Livingston <ryel@mac.com>
Date: Sun, 12 Jun 2016 19:19:37 +0000 (GMT) MailServer16D250.25128-16A-982-e9c2ef2b8d8a t=1465759178; bh=I+9Y6rJUaOAUE3mJeCDq74U+DUGd8aWiXlCDxItWBik=; h=MIME-version:Content-type:To:From:Subject:Date:Message-id; b=gltgsU5exY4WwsMB0FEg6LbHFkX+zVlZMssy7vINBjdYNbaBx0W0OL8zN92j/b86V pCsSUn/jJzDcLd+4uTaic6IVZNTmvTkmsyqSexJOXgU4EyMiXeWrYuiwG9o8kjoJ/k HyacE6AMP3gV1vv0/IAd+wqjYb8pMZY6YD/+534Tk9nHDxGKTFBV5Z757TRu7/DcrZ CtVkN3I2+9SeAbleELFpnvQxWxuzSylkZntZAW9BReNGDGb6hXizQNcqDsgn4FSyuJ qu7j57wnxHlo2yxorpRAbKzNIKAK47wmj8Gg8RTFgxhhMH8WlhOIiGaIc4nJi937XQ DEAZEg0W5egYg==
Cc: triumphs@autox.team.net
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
--===============6273150734502225278==
 boundary="Boundary_(ID_A63/OZpwCfsU3F94XaNZLg)"


--Boundary_(ID_A63/OZpwCfsU3F94XaNZLg)
Content-transfer-encoding: quoted-printable

Yes they've been focused on the=C2=A0hydraulics, and they said all the com=
ponents looked "pristine". They've swapped out pistons, seals, etc. =C2=A0=
I've forwarded the emails from others to double check the solenoids as wel=
l.=0A=0AAlso, FYI, this symptom does it right off the bad when everything =
is cold, or after hours of driving and everything very warmed up. =C2=A0In=
 all ranges of temperature, it doesn't do it any more or less. =C2=A0Very =
consistent symptom.=0ARye=0A=0AOn Jun 11, 2016, at 03:07 AM, "hdrider570@a=
tt.net" <hdrider570@att.net> wrote:=0A=0AWhen I had this problem with a J =
type OD, it was wear in the pump piston/bore.=C2=A0 This pump uses no seal=
s so I expect that your mechanics are talking about the accumulator piston=
(s).=C2=A0 Basically when the piston/bore wears the clearances increase wh=
ich allows oil to bypass the piston resulting in lower pressure.=C2=A0 One=
 thing that I noticed was that the slippage was more pronounced once the O=
D warmed up thus reducing the viscosity of the oil.=0A=0AI expect that a w=
orn drive pin in the piston could cause a similar problem by shortening th=
e piston sweep.=0A=0ABottom line is if you are not getting enough oil pres=
sure, it is a hydraulic problem which is either not enough supply (pump we=
ar?) or excessive losses somewhere such as bad piston seals etc.=0A=0AEdwa=
rd Hamer=0APetaluma CA=0A=0A** triumphs@autox.team.net **=0A=0ADonate: htt=
p://www.team.net/donate.html=0AArchive: http://www.team.net/archive=0AForu=
ms: http://www.team.net/forums=0AUnsubscribe/Manage: http://autox.team.net=
/mailman/options/triumphs/ryel@mac.com=0A=

--Boundary_(ID_A63/OZpwCfsU3F94XaNZLg)
 boundary="Boundary_(ID_b4YLyUsRUtn7gF/GAELImQ)"; type="text/html"


--Boundary_(ID_b4YLyUsRUtn7gF/GAELImQ)
Content-transfer-encoding: quoted-printable

<html><body><div>Yes they've been focused on the&nbsp;hydraulics, and they said 
all th=
e components looked "pristine". They've swapped out pistons, seals, etc. &=
nbsp;I've forwarded the emails from others to double check the solenoids a=
s well.</div><div><br data-mce-bogus=3D"1"></div><div>Also, FYI, this symp=
tom does it right off the bad when everything is cold, or after hours of d=
riving and everything very warmed up. &nbsp;In all ranges of temperature, =
it doesn't do it any more or less. &nbsp;Very consistent symptom.</div><di=
v class=3D"x-apple-signature"><pre style=3D"font-family: 'SFNSText','Helve=
tica Neue', Helvetica, sans-serif; font-size: 15px; white-space: pre-wrap;=
 word-wrap: break-word;" data-mce-style=3D"font-family: 'SFNSText','Helvet=
ica Neue', Helvetica, sans-serif; font-size: 15px; white-space: pre-wrap; =
word-wrap: break-word;">Rye<br></pre></div><div><br>On Jun 11, 2016, at 03=
:07 AM, "hdrider570@att.net" &lt;hdrider570@att.net&gt; wrote:<br><br></di=
v><div><blockquote type=3D"cite"><div class=3D"msg-quote" bgcolor=3D"#FFFF=
FF" text=3D"#000000"><span face=3D"Arial Black" data-mce-style=3D"font-fam=
ily: 'Arial Black';" style=3D"font-family: 'Arial Black';">When I had this=
 problem with a J type OD, it was wear in the pump piston/bore.&nbsp; This=
 pump use<span face=3D"Arial Black" data-mce-style=3D"font-family: 'Arial =
Black';" style=3D"font-family: 'Arial Black';">s no seals so I expect that=
 your mechanics are talking about the accumulator piston(s).&nbsp; Basical=
ly when <span face=3D"Arial Black" data-mce-style=3D"font-family: 'Arial B=
lack';" style=3D"font-family: 'Arial Black';">t</span>he piston/bore wears=
 the clearances increase which allows oil to bypass the piston resulting i=
n lower pressure.&nbsp; One thing that I noticed was that the slippage was=
 more pronounced once the OD warmed up thus reducing the viscosity of the =
oil.<br> <br> <span face=3D"Arial Black" data-mce-style=3D"font-family: 'A=
rial Black';" style=3D"font-family: 'Arial Black';">I expect that a worn d=
rive pin in the piston could cause a similar problem by shortening the pis=
ton sweep.</span><br> <br> <span face=3D"Arial Black" data-mce-style=3D"fo=
nt-family: 'Arial Black';" style=3D"font-family: 'Arial Black';">Bottom li=
ne is if you are not getting enough oil pressure, it is a hydraulic proble=
m which is either not enough supply (pump wear?) or <span face=3D"Arial Bl=
ack" data-mce-style=3D"font-family: 'Arial Black';" style=3D"font-family: =
'Arial Black';">excessive losses some<span face=3D"Arial Black" data-mce-s=
tyle=3D"font-family: 'Arial Black';" style=3D"font-family: 'Arial Black';"=
>where such as bad piston seals etc.<br> <br> <span face=3D"Arial Black" d=
ata-mce-style=3D"font-family: 'Arial Black';" style=3D"font-family: 'Arial=
 Black';">Edward Hamer<br> <span face=3D"Arial Black" data-mce-style=3D"fo=
nt-family: 'Arial Black';" style=3D"font-family: 'Arial Black';">Petaluma =
CA</span><br> </span></span></span></span></span></span><div class=3D"_str=
etch"><span class=3D"body-text-content"><br>** <a href=3D"mailto:triumphs@=
autox.team.net" data-mce-href=3D"mailto:triumphs@autox.team.net";>triumphs@=
autox.team.net</a> **<br><br>Donate: <a href=3D"http://www.team.net/donate=
.html" data-mce-href=3D"http://www.team.net/donate.html";>http://www.team.n=
et/donate.html</a><br>Archive: <a href=3D"http://www.team.net/archive"; dat=
a-mce-href=3D"http://www.team.net/archive";>http://www.team.net/archive</a>=
<br>Forums: <a href=3D"http://www.team.net/forums"; data-mce-href=3D"http:/=
/www.team.net/forums">http://www.team.net/forums</a><br>Unsubscribe/Manage=
: <a href=3D"http://autox.team.net/mailman/options/triumphs/ryel@mac.com"; =
data-mce-href=3D"http://autox.team.net/mailman/options/triumphs/ryel@mac.c=
om">http://autox.team.net/mailman/options/triumphs/ryel@mac.com</a><br></s=
pan></div></div></blockquote></div></body></html>=

--Boundary_(ID_b4YLyUsRUtn7gF/GAELImQ)--

--Boundary_(ID_A63/OZpwCfsU3F94XaNZLg)--

--===============6273150734502225278==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline


** triumphs@autox.team.net **

Archive: http://www.team.net/archive

--===============6273150734502225278==--

<Prev in Thread] Current Thread [Next in Thread>