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#389210 - 05/15/17 11:30 AM Rear Leaf Spring bushings?
solafide Offline
Backyard Mechanic

Registered: 11/29/13
Posts: 380
Loc: San Francisco Bay Area
Can I simply replace my leaf spring bushings by hand, mine are shot and just rattling?
Thanks

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#389214 - 05/15/17 12:11 PM Re: Rear Leaf Spring bushings? [Re: solafide]
Tiny Offline



Registered: 01/01/06
Posts: 4396
Loc: South Central Kansas
Yes. Make sure the holes in the shackles aren't ovaled out. If they are the rattling will not go completely away with new bushings. You'll likely need the full shackle.
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#389430 - 05/19/17 04:48 PM Re: Rear Leaf Spring bushings? [Re: Tiny]
solafide Offline
Backyard Mechanic

Registered: 11/29/13
Posts: 380
Loc: San Francisco Bay Area
More specifically the bushings are not pressed out and in? Watching youtube i noticed many people using methods that simulate pressing and pulling bushings with washers and a long screws. It makes sense if the bushing fits tight as to not vibrate. I don't want to remove old bushing and not be prepared to have to press it in the new.

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#389433 - 05/19/17 06:42 PM Re: Rear Leaf Spring bushings? [Re: solafide]
old216 Offline

1500

Registered: 09/15/02
Posts: 1615
Loc: Bracebridge Ontario,Canada
I haven't done the rear bushings on my 38 Master yet but I did the front ones using my 30 Ton press. They took considerable force to move.
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My 1951 1 Ton is now on the road! My 38 Master 4 Door is also now on the road .

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#389436 - 05/19/17 07:09 PM Re: Rear Leaf Spring bushings? [Re: old216]
solafide Offline
Backyard Mechanic

Registered: 11/29/13
Posts: 380
Loc: San Francisco Bay Area
30 ton? eek

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#389449 - 05/20/17 04:40 AM Re: Rear Leaf Spring bushings? [Re: solafide]
old216 Offline

1500

Registered: 09/15/02
Posts: 1615
Loc: Bracebridge Ontario,Canada
Of course it didn't take 30 Tons. That is just the rating of my press. That capability does come in handy for removing king pins.
_________________________
My 1951 1 Ton is now on the road! My 38 Master 4 Door is also now on the road .

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#389454 - 05/20/17 06:36 AM Re: Rear Leaf Spring bushings? [Re: solafide]
bigbth Offline
pumpjockey

Registered: 12/19/01
Posts: 760
Loc: Glendale Heights, IL
I've replace all my spring bushings and in some cases I used a large "C" clamp to press them in. In other cases I put the old inserts in and drove those in with a sledge, removed the old insert and completed the installation. You may have to look around and see what various tools you can press into service, so to speak.

Brian

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#389455 - 05/20/17 06:53 AM Re: Rear Leaf Spring bushings? [Re: bigbth]
canadiantim Offline

Backyard Mechanic

Registered: 06/25/07
Posts: 456
Loc: Alberta, Canada
Might be worth a call to a dedicated Spring Shop. You want a place that can make up their own springs and knows how to put it all together properly.
Many of them work on commercial trucks so should be able to tell you right away what they can do and will likely be cheap since they are actually experts with springs so will be very fast.
_________________________
1938 Canadian Pontiac Business Coupe (aka a 1938 Chevy Coupe with Pontiac shaped front sheet metal - almost all Chevy!)
1975 4-speed L82 Vette

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#389485 - 05/20/17 06:18 PM Re: Rear Leaf Spring bushings? [Re: canadiantim]
old216 Offline

1500

Registered: 09/15/02
Posts: 1615
Loc: Bracebridge Ontario,Canada
There is a tool for taking apart U-joints and removing ball joints. I believe Harbor Freight carries it. It looks something like a big C clamp with a massive screw thread. It would probably do the job. I sometimes use it with an impact wrench.
_________________________
My 1951 1 Ton is now on the road! My 38 Master 4 Door is also now on the road .

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#389497 - 05/20/17 11:55 PM Re: Rear Leaf Spring bushings? [Re: old216]
tonyw Offline




Registered: 05/23/02
Posts: 4018
Loc: Goulburn Australia
I often use a long threaded rod that just fits through the bush with a piece of pipe larger than the bush outside and another a little smaller than the outside of the bush. With the rod through the bush put the larger pipe on 1 side of the spring with a heavy flat washer and nut, the smaller pipe against the bush on the other side and tighten it all up. Generally this will push the bushing out into the larger pipe. To fit the new bush replace the smaller pipe with the new bush and a flat washer between it and the nut.
Tony
_________________________
1938 1/2 ton Hope to drive it before I retire

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#389522 - 05/21/17 12:58 PM Re: Rear Leaf Spring bushings? [Re: tonyw]
Rusty 37 Master Offline
Backyard Mechanic

Registered: 12/29/07
Posts: 332
Loc: Iowa
I replaced the front bushings in the rear springs of my '37 Master Coupe using a method similar to what Tony described.

I was surprised how easily the bushings pushed. I used 1/2" threaded rod and nuts and turned them with a couple of regular length wrenches. A ratcheting box end wrench really worked great. A friend had machined a couple of special spacers. One went between the old and new bushing and one to push on the new bushing. He had cut a relief in the faces of the spacers so I would push on the outer steel sleeve of the bushings, not on the inner sleeve of the bushing. The inner sleeve is about a 1/2" longer than the outer sleeve.

I used a deep well socket as the receiver for the old bushing as I pushed it out and the new one into the spring eye. I think I have a few pictures. If so I will post them later today.
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Rusty

VCCA #44680

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#389577 - 05/22/17 08:20 AM Re: Rear Leaf Spring bushings? [Re: Rusty 37 Master]
Rusty 37 Master Offline
Backyard Mechanic

Registered: 12/29/07
Posts: 332
Loc: Iowa
Here are a couple of pictures of the tool and process I used. The one limitation I encountered was that the deep well socket was not quite deep enough to handle the full length of the old bushing. In the "in use" picture you can see that the new bushing is about 3/4 of the way installed.

Remember to put the full weight of the car on the suspension before you tighten the bolt. Otherwise you will clamp the inner sleeve in a bind that will tear the rubber bushing.



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Rusty

VCCA #44680

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#389645 - 05/23/17 01:46 AM Re: Rear Leaf Spring bushings? [Re: Rusty 37 Master]
tonyw Offline




Registered: 05/23/02
Posts: 4018
Loc: Goulburn Australia
Rusty
That is the setup I was referring to but as you noted a deep receptacle is required. I generally do it in 2 steps, remove old bush then reset to fit the new.
Tony
_________________________
1938 1/2 ton Hope to drive it before I retire

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#389665 - 05/23/17 10:17 AM Re: Rear Leaf Spring bushings? [Re: tonyw]
Rusty 37 Master Offline
Backyard Mechanic

Registered: 12/29/07
Posts: 332
Loc: Iowa
Hi Tony,

My hindsight is really good (almost 100%). If I had to do it again I would get a longer piece of pipe or tubing for the receptacle so I could do it in one setup.

You can see in the picture how short it was. That is where the old bushing bottomed in the deep well socket.
_________________________
Rusty

VCCA #44680

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#389719 - 05/24/17 01:33 AM Re: Rear Leaf Spring bushings? [Re: Rusty 37 Master]
tonyw Offline




Registered: 05/23/02
Posts: 4018
Loc: Goulburn Australia
I have replaced many truck spring bushings and sometimes we learn by our mistakes, I didnt learn on the 1st 1. The other 1 I got caught with was using a receptacle smaller than the bush.
Tony
_________________________
1938 1/2 ton Hope to drive it before I retire

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