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#283090 - 07/19/16 01:59 PM trailer leaf spring corrosion  
Joined: Dec 2001
Posts: 5,573
waterbug_wpb Offline
Carpal Tunnel
waterbug_wpb  Offline
Carpal Tunnel

Joined: Dec 2001
Posts: 5,573
Naples, FL
Since none of y'all have to dunk your trailers in salt water, I figure you don't worry about this, but for those that do, how to you reduce rust on your leaf springs?

Seems I have to replace mine about every 2 years as large flakes of rust start falling off them.

Rinsed after every salt water dip, and I spray PB blaster and/or WD-40 on them every month or so. Tried axle grease, too but to limited effect. Wondering if painting them would help, or someone's suggestion of melting toilet ring wax (melts around 160 F) and painting it on the leafs.

Yes, I must be cheap since a leaf spring set is like $30 USD each (every other year)...


Jay

-- Have You Seen This? --
#283092 - 07/19/16 03:19 PM Re: trailer leaf spring corrosion [Re: waterbug_wpb]  
Joined: Jun 2001
Posts: 12,278
Jake Offline
Carpal Tunnel
Jake  Offline
Carpal Tunnel

Joined: Jun 2001
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South Carolina
Rubber torsion axles. No more steel springs.


[Linked Image]


Jake Kohl
#283093 - 07/19/16 04:13 PM Re: trailer leaf spring corrosion [Re: waterbug_wpb]  
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bacho Offline
old hand
bacho  Offline
old hand

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Greenville SC
I had no idea torsion axles had rubber torsion bars....

There is a product out there for painting leafs, mostly to make them slide on each other better. But yours should go much longer than 2 years IMO.

#283095 - 07/19/16 06:47 PM Re: trailer leaf spring corrosion [Re: waterbug_wpb]  
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Mike Fahle Offline
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Mike Fahle  Offline
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Toledo, Ohio (western end of ...
That's an expensive conversion but the ride is also much better since it behaves like independent suspension even though the wheels share an axle.

#283096 - 07/19/16 06:50 PM Re: trailer leaf spring corrosion [Re: waterbug_wpb]  
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Dazz Offline
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Dazz  Offline
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Hobart, Tasmania, Oz.
Are you using galvanized springs? Have them on the speed boat that goes in the water every weekend for about 6 months of the year, lasts 10-15 years.


C2 AUS 222 by Goodall design
"Darph Bobo"
#283105 - 07/20/16 08:10 AM Re: trailer leaf spring corrosion [Re: Dazz]  
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waterbug_wpb Offline
Carpal Tunnel
waterbug_wpb  Offline
Carpal Tunnel

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Naples, FL
Interesting input. Thanks!

I am almost sure they aren't galvanized leaf springs given how fast they corroded. I thought they were painted, but if so it obviously didn't work very well.

I'll dig around the inner-net for galvanized leaf springs as well as that torsion bar.

My ony question regarding that torsion bar is how to detect it is nearing the end of its service life. I, for one, am not a big fan of catastrophic failures on interstate highways?


Jay

#283107 - 07/20/16 08:33 AM Re: trailer leaf spring corrosion [Re: waterbug_wpb]  
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Jake Offline
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Jake  Offline
Carpal Tunnel

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South Carolina
Originally Posted by waterbug_wpb
Interesting input. Thanks!

I am almost sure they aren't galvanized leaf springs given how fast they corroded. I thought they were painted, but if so it obviously didn't work very well.

I'll dig around the inner-net for galvanized leaf springs as well as that torsion bar.

My ony question regarding that torsion bar is how to detect it is nearing the end of its service life. I, for one, am not a big fan of catastrophic failures on interstate highways?


I don't believe they fail catastrophically. The interior tubing is large enough that it can't rotate inside the exterior tubing. The triangle shaped rubber pieces just provide cushion between the two and last a very long time. I'm nearly certain that the failure mode is that your trailer ride starts bottoming out steel on steel as the rubber deteriorates - but they have a reputation of lasting for a very long time.


Jake Kohl
#283108 - 07/20/16 09:00 AM Re: trailer leaf spring corrosion [Re: Jake]  
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waterbug_wpb Offline
Carpal Tunnel
waterbug_wpb  Offline
Carpal Tunnel

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Naples, FL
[Linked Image]

If it were only this easy.... but I'm not sure I believe everything I read.

Still, if $22 USD buys me another year or two of salt water use...

Last edited by waterbug_wpb; 07/20/16 09:01 AM.

Jay

#283109 - 07/20/16 09:07 AM Re: trailer leaf spring corrosion [Re: waterbug_wpb]  
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waterbug_wpb Offline
Carpal Tunnel
waterbug_wpb  Offline
Carpal Tunnel

Joined: Dec 2001
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Naples, FL
and would that salt-a-way crap they sell at West Marine do anything that fresh water (or soapy fresh water) wouldn't?

I have a manual garden sprayer I hose off the non-galvanized trailer parts (disc, calipers, leaf spring) after driving up the boat ramp...


Jay

#283110 - 07/20/16 09:11 AM Re: trailer leaf spring corrosion [Re: waterbug_wpb]  

**DONOTDELETE**
Unregistered
MN3
Unregistered


I recently used this on a trailer (not this brand) - It looked good - help sell the trailer - I have no idea if it's worth it but a guy I sail with uses it all over his trailer. He does back his trailer in often to get his gcat - he recommends this stuff


Originally Posted by waterbug_wpb
[Linked Image]

If it were only this easy.... but I'm not sure I believe everything I read.

Still, if $22 USD buys me another year or two of salt water use...

#283118 - 07/20/16 12:46 PM Re: trailer leaf spring corrosion [Re: waterbug_wpb]  
Joined: Feb 2007
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jkkartz1 Offline
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Punta Gorda, FL
I've owned several salt water trailers. A painted one was left along side the road with the tag pulled, the id# had already rusted off.

The problems with springs is that the rub together and remove any coating. There are also little crevices between the u bolts, plates and bolts. The spray galvanize could trap salt water.

A liberal application of Ospho on the steel surfaces would help. Apply liberally and often. Put it in a spray bottle.

I've never tried the Salt A way, but it probably can't hurt.

A natural anti rust coating is a mix of pine tar, turpentine and linseed oil. Apply liberally on a hot day.

Start a sinking fund for trailer parts.

My Hobie 16 trailer is a 1978 E Z Loader. At the time it was the first galvanized trailer that B & E Marine in Michigan City, IN sold. It has never been in the water, fresh or salt. I have never felt the need to float the boat off. The 2000 Rocket trailer for the flats boat needs constant attention.

#283127 - 07/20/16 02:40 PM Re: trailer leaf spring corrosion [Re: waterbug_wpb]  
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catman Offline
Pooh-Bah
catman  Offline
Pooh-Bah

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Florida Suncoast, Dunedin Caus...
My dual axle power boat trailer has torsion axles. The original pair lasted 24 years.

It's very obvious when it's time to change them.

I got mine here, Redneck Trailer Supply





Have Fun
#283128 - 07/20/16 02:49 PM Re: trailer leaf spring corrosion [Re: catman]  
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Posts: 1,655
catman Offline
Pooh-Bah
catman  Offline
Pooh-Bah

Joined: Jun 2002
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Florida Suncoast, Dunedin Caus...


Have Fun
#283129 - 07/20/16 03:09 PM Re: trailer leaf spring corrosion [Re: catman]  
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waterbug_wpb Offline
Carpal Tunnel
waterbug_wpb  Offline
Carpal Tunnel

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Naples, FL
Yes, I've tried various coatings (grease, etc) on the springs and aside from the nasty looks and hard questions I get from Marine Patrol when they see that rainbow develop the minute the trailer touches the water, I only get so-so results.

So I guess the torsion axle may be the most prudent way to go...

Next is to get the dang disc calipers to keep from sticking. No corrosion that I see on piston... must be the actuator (hydraulic surge brake) not returning all the way? How do the calipers adjust for pad wear?


Jay

#283130 - 07/20/16 06:07 PM Re: trailer leaf spring corrosion [Re: waterbug_wpb]  
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Posts: 138
Mlcreek Offline
member
Mlcreek  Offline
member

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Hernando, Florida
Jay,

Check out this web site. They have a shop a block off 75 in Bradenton on Hwy 64. Great folks with tons of stuff. Here is a waterproofing corrosion spray. They also have the other stuff you are looking for.
http://www.sturdybuiltonline.com/Bo...Waterproof-Lubrication-Spray_p_1136.html


Forrest
I-20
USA 645

" There ain't enough rum in the drum!"
#283132 - 07/21/16 07:03 AM Re: trailer leaf spring corrosion [Re: waterbug_wpb]  
Joined: Jun 2001
Posts: 12,278
Jake Offline
Carpal Tunnel
Jake  Offline
Carpal Tunnel

Joined: Jun 2001
Posts: 12,278
South Carolina
Originally Posted by waterbug_wpb
Yes, I've tried various coatings (grease, etc) on the springs and aside from the nasty looks and hard questions I get from Marine Patrol when they see that rainbow develop the minute the trailer touches the water, I only get so-so results.

So I guess the torsion axle may be the most prudent way to go...

Next is to get the dang disc calipers to keep from sticking. No corrosion that I see on piston... must be the actuator (hydraulic surge brake) not returning all the way? How do the calipers adjust for pad wear?


Fluid compensation. Just like a car. As the pad wears, the piston extends further (actually, it just doesn't retract back as far) and it holds more fluid in the caliper with the increased volume of the extended piston. Your fluid level in the reservoir will drop as a result. When you change the pads and press the pistons back into the caliper, you need to watch that the fluid doesn't overflow the reservoir if you have ever added any.

You get ANY moisture (including air-born humidity) into the brake fluid system and it will pretty quickly lead to internal corrosion. The hydraulic brake fluid readily absorbs that moisture and, though not practiced by just about anyone, it's a good idea to change the brake fluid occasionally.


Jake Kohl
#283134 - 07/21/16 07:49 AM Re: trailer leaf spring corrosion [Re: Jake]  
Joined: Dec 2001
Posts: 5,573
waterbug_wpb Offline
Carpal Tunnel
waterbug_wpb  Offline
Carpal Tunnel

Joined: Dec 2001
Posts: 5,573
Naples, FL
Thanks Jake. I flush the fluid annually and usually have to change the pads about then, too... I'd bet there might be something going on with the actuator in the tongue that's setting me up for failure and causing those calipers to stick. The seal between caliper body and piston is still intact so as you said it may be the fluid causing the issue.

And Forrest I'll have to try that stuff, too. Being that I drop the boat on a ramp in the everglades, they get really hyper about any petrochemicals in the water. Even bearing buddies cause frowns on the faces of those dudes with guns and badges (although they probably have a chip on their shoulder anyway...)

I show them I use food grade grease which doesn't work as well as Red tacky #2, but I learned that from having to deal with the same issues on farm irrigation pumps dripping grease in the water canals..


Jay

#283147 - 07/22/16 07:46 AM Re: trailer leaf spring corrosion [Re: waterbug_wpb]  
Joined: Mar 2009
Posts: 865
samc99us Offline
old hand
samc99us  Offline
old hand

Joined: Mar 2009
Posts: 865
Solomon's Island, MD
T-9 may work.


F18 Infusion
#283148 - 07/22/16 07:52 AM Re: trailer leaf spring corrosion [Re: samc99us]  
Joined: Jun 2001
Posts: 12,278
Jake Offline
Carpal Tunnel
Jake  Offline
Carpal Tunnel

Joined: Jun 2001
Posts: 12,278
South Carolina
Originally Posted by samc99us
T-9 may work.


Sam is talking about Boeshield T-9 which is probably the best product available to protect raw metal surfaces (It's THE product to protect cast iron tool surfaces). It dries to a tacky film and you may give it a whirl - that whole suspension environment, though, is just brutal on any coating or finish you can put on it.


Jake Kohl
#283157 - 07/22/16 02:02 PM Re: trailer leaf spring corrosion [Re: Jake]  
Joined: Dec 2001
Posts: 5,573
waterbug_wpb Offline
Carpal Tunnel
waterbug_wpb  Offline
Carpal Tunnel

Joined: Dec 2001
Posts: 5,573
Naples, FL
like the galvainized trailer frame?

And where does one score this mystical T-9?


Jay

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