One additional point. I once rebuilt an engine, but couldn't get good oil
pressure. As I had re-used the original oil pump, I pulled the sump to see
if the problem was a faulty oil pump. It was then I realized I had not used
the gasket between the pump and the block. Significant oil must haven
leaking there as a gasket solved the problem.
Andrew Uprichard
Jackson, Michigan
-----Original Message-----
From: Triumphs [mailto:triumphs-bounces@autox.team.net] On Behalf Of Randall
Sent: Friday, November 30, 2018 10:03 AM
To: 'Alan & Lyn Dunscombe'; triumphs@autox.team.net
Subject: Re: [TR] Oil pump re-assembly 4 cyl. TR motor
> When I fit the new oil pump cap to the pump body:
> is there a gasket to go there? ( I don't think there is, but
> just checking) do I use any sealer between the cap & body?
> what torque for the bolts holding it on?
No gasket, I don't use any sealer. Do check that the surfaces are perfectly
flat, though. Sometimes even new components aren't.
I think 12 ftlbs is a reasonable torque value; but I don't have a factory
spec.
Also double-check how the rotor is secured to the shaft. There should be a
pin visible; but some aftermarket pumps have the rotor pressed onto a
knurled shaft. The knurls have been known to fail in service and create a
mess (in addition to the sudden loss of oil pressure).
-- Randall
56 TR3 TS13571L once and future daily driver
71 Stag LE1473 - awaiting engine rebuild
71-2-3 Stag - awaiting gearbox rebuild
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