<html><body><div>Yes they've been focused on the hydraulics, and they said all the components looked "pristine". They've swapped out pistons, seals, etc. I've forwarded the emails from others to double check the solenoids as well.</div><div><br data-mce-bogus="1"></div><div>Also, FYI, this symptom does it right off the bad when everything is cold, or after hours of driving and everything very warmed up. In all ranges of temperature, it doesn't do it any more or less. Very consistent symptom.</div><div class="x-apple-signature"><pre style="font-family: 'SFNSText','Helvetica Neue', Helvetica, sans-serif; font-size: 15px; white-space: pre-wrap; word-wrap: break-word;" data-mce-style="font-family: 'SFNSText','Helvetica 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" <hdrider570@att.net> wrote:<br><br></div><div><blockquote type="cite"><div class="msg-quote" bgcolor="#FFFFFF" text="#000000"><span face="Arial Black" data-mce-style="font-family: 'Arial Black';" style="font-family: 'Arial Black';">When I had this problem with a J type OD, it was wear in the pump piston/bore. This pump use<span face="Arial Black" data-mce-style="font-family: 'Arial Black';" style="font-family: 'Arial Black';">s no seals so I expect that your mechanics are talking about the accumulator piston(s). Basically when <span face="Arial Black" data-mce-style="font-family: 'Arial Black';" style="font-family: 'Arial Black';">t</span>he piston/bore wears the clearances increase which allows oil to bypass the piston resulting in lower pressure. 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="Arial Black" data-mce-style="font-family: 'Arial Black';" style="font-family: 'Arial Black';">I expect that a worn drive pin in the piston could cause a similar problem by shortening the piston sweep.</span><br> <br> <span face="Arial Black" data-mce-style="font-family: 'Arial Black';" style="font-family: 'Arial Black';">Bottom line is if you are not getting enough oil pressure, it is a hydraulic problem which is either not enough supply (pump wear?) or <span face="Arial Black" data-mce-style="font-family: 'Arial Black';" style="font-family: 'Arial Black';">excessive losses some<span face="Arial Black" data-mce-style="font-family: 'Arial Black';" style="font-family: 'Arial Black';">where such as bad piston seals etc.<br> <br> <span face="Arial Black" data-mce-style="font-family: 'Arial Black';" style="font-family: 'Arial Black';">Edward Hamer<br> <span face="Arial Black" data-mce-style="font-family: 'Arial Black';" style="font-family: 'Arial Black';">Petaluma CA</span><br> </span></span></span></span></span></span><div class="_stretch"><span class="body-text-content"><br>** <a href="mailto:triumphs@autox.team.net" data-mce-href="mailto:triumphs@autox.team.net">triumphs@autox.team.net</a> **<br><br>Donate: <a href="http://www.team.net/donate.html" data-mce-href="http://www.team.net/donate.html">http://www.team.net/donate.html</a><br>Archive: <a href="http://www.team.net/archive" data-mce-href="http://www.team.net/archive">http://www.team.net/archive</a><br>Forums: <a href="http://www.team.net/forums" data-mce-href="http://www.team.net/forums">http://www.team.net/forums</a><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/triumphs/ryel@mac.com" data-mce-href="http://autox.team.net/mailman/options/triumphs/ryel@mac.com">http://autox.team.net/mailman/options/triumphs/ryel@mac.com</a><br></span></div></div></blockquote></div></body></html>