Thanks for the advice. Jim
> On Feb 18, 2021, at 8:03 PM, Jerry Van Vlack <jerryvv@roadrunner.com> wrote:
>
> TRF had an inventory reduction sale on TR4A/6 trunnions a few weeks ago.
> Good price and I bought a pair, visually look like good parts.
>
> To answer your question.
> 1. Check the hole for the thru bold for wear. If any replace them.
> 2. Check the acme threads to upright fit for slop and or rough motion. Check
> the upright threads as well for same.
> 3. While you're checking stuff be sure to check the thru bolt and control arm
> bushings too and replace that stuff if necessary. Lots of potential wear
> points in the bottom joint area.
> 4. In assembled condition but with a jack under the spring pan to take the
> weight of the car try to move the wheel / tire assembly as you would with
> ball joints looking for movement in and out and up and down.
> 5. If all checks good then disassemble, clean and lube with new oil or grease
> whichever you prefer. I've used grease for years but the manual actually
> calls for more of an oil. Some use OMC outdrive pump to inject oil in lieu of
> grease. Pick your poison.
>
> Mine are the originals from 1966 and I bought new ones because I wanted too
> as they were a really good deal. I will be checking mine this spring and
> cleaning and re=lubing them as part of a general once over before driving
> season and checking the fit of the new TRF parts.
>
> Let us know what you find.
>
> JVV
>
> -----Original Message----- From: Jim Henningsen
> Sent: Thursday, February 18, 2021 7:34 PM
> To: 'TR3 Triumphs'
> Subject: [TR] TR4A-6 Trunnion Wear
>
> What's the best means to determine if the front suspension trunnions are
> worn and in need of replacement? I have a 67 4A IRS with 72k orig miles and
> am redoing all of the suspension. Would like to test to see if trunnions
> are bad or still good. Any thoughts?
> Thanks in advance,
> Jim Henningsen
> Ocala FL
> 61 3A Neville
> 62 4 Simon
> 67 4A Sir Charles
> 75 6 Ms. Molly (bad ass)
> 81 8 Sir Stirling
>
>
>
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