Re: '39 twelve squeeky rear springs
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Forum Ambassador
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Since you say you serviced the spring eye bushings, I'm assuming the noise you hear is inter-leaf friction. An excellent lubricant choice for the flanged shackle bushings is a Dow-Corning silicone grease. Also the old-time standard lubricant for them was a product known as "RuGlide".
It would be helpful to know just what configuration of rear springs you currently have, I should remember what the 39 Twelves had as OEM but it escapes me. Are your leaf springs "naked" or are they covered with metal gaiters which was Packard's prewar practice for many years and was used on the 1938 and prior Twelves, Super Eights and Eights. If the latter, the spring leaves were lubricated, wrapped in canvas, and then covered with metal gaiters and if this is the case, removal of the gaiters and re-lubing the leaves would be in order though it may well result in ruining the gaiters - forcing some heavy oil (SAE 50 motor oil or SAE 90 GL1 gear oil) in between the gaiter junctions might suffice. In the Bijur era the exess run-off entered the gaiters and maintained the lubrication. If they are "naked" leaf springs, do they have the antimony/tin/lead friction "buttons" at the end of the leaves? If so, they are probably worn out and I believe they are NLA. You might consider removing them if present and using Teflon interleaf liners as was a popular practice in the later years of leaf spring use. There were also special tools available that wedge the leaves apart and have an Alemite fitting to inject grease between the leaves - one sees these tools available not uncommonly at larger flea markets.
Posted on: 2015/7/7 8:33
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Re: '39 twelve squeeky rear springs
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Not too shy to talk
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Thank you, Owen. Mine are wrapped in metal. From the outside they look mint, but squeak they do. Based on what you say, I think it's best I learn to love the squeaks. (As I'm 78, I've got a few, myself)
Posted on: 2015/7/7 12:29
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Re: '39 twelve squeeky rear springs
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Forum Ambassador
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I understand what you're saying about age, I'm nearly at your age myself. But if you have it on a lift for an oil change or happen to have a rear wheel off, some drops of oil on the seams between the gaiters can't hurt, might help.
Posted on: 2015/7/7 13:09
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Re: '39 twelve squeeky rear springs
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Home away from home
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Ive seen them with Bosses soldered on the top side with Grease Zerks installed
AND saw one with holes drilled in - assume to oil
Posted on: 2015/7/7 15:10
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Re: '39 twelve squeeky rear springs
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Just popping in
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Hi, I'm new here but at the local Tractor Supply they have some graphite lubricant which might assist.
The springs should not squeak. Especially on a Twelve. You might end up having them professionally reworked. I hope this helps.
Posted on: 2015/7/17 15:33
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Re: '39 twelve squeeky rear springs
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Forum Ambassador
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G'day Wascator,
![]() I invite you to include your Packard/s in the Packard Owner's Registry.
Posted on: 2015/7/17 15:50
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Mal
/o[]o\ ==== ![]() Bowral, Southern Highlands of NSW, Australia "Out of chaos comes order" - Nietzsche. 1938 Eight Touring Sedan - SOLD 1941 One-Twenty Club Coupe - SOLD 1948 Super Eight Limo, chassis RHD - SOLD 1950 Eight Touring Sedan - SOLD What's this? ![]() Put your Packard in the Packard Vehicle Registry! Here's how! Any questions - PM or email me at ozstatman@gmail.com |
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