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Nivomat suspension . . . again

J

JDemaris

Well-known Member
This is a continum of my last post on the same subject. I.e., super expensive load-sensing things in the back of my Grand Caravan that look like shock absorbers. Called a "Nivomat" self-adjusting suspension.

They are incredibly expensive and all they need is top rubber bushing mounts, I'm trying to find something that will fit.

Looks like a small leaf-spring perch bushing might work if I can find the right size.
Bushing has a metal OD jacket. OD is 1.6" and is 1 1/4" wide. ID can be almost anything. The original had a steel bushing with a bore for a 1/2" bolt. That bushing has an OD of .875" or 7/8". So, if I can find a strong bushing with a 1.6" OD and either a 1/2" ID or a 7/8" ID, I'll be all set.
 
Not trying to be funny here and am not familiar with your shock but -- if its as simple as a puck type of rubber bushing you need could you make them out of real hockey pucks trimed to fit and say pressed into the outside metal ring, could even drill out the center and press the bore sleeve in the center??
 
Many moons ago I seen a kid that was short on money get some hockey pucks and then drilled holes in em to make a body lift for a chebby p/u
 
maybe strutmasters.com would have a nice solution for you? they got their start converting lincoln air suspensions to conventional, and now carry a lot of stuff for high tech suspensions.

hockey puck could work though, it follows the kiss principle

karl f
 
also try a parts store that still uses books. Have them look in the MOOG book. Moog offers some leaf spring bushings, which may be pictured in the back. you might have to pick a ford or chevy pickup from 15 years ago and start from there though.

a kid i used to work with was gonna experiment with 3m windo-weld (urethane) for engine mounts. the metal parts were to be held in place by some sort of jig, and the spaces between filled with urethane. he was gutting stock mounts, which interlock loosely. do not know how his experiment came out, as i transferred locations shortly after that idea was discussed.

karl f
 
Back in the '80's I had a Fiero and belonged to the Fiero owners club. They advertised A arm bushing replacements made of Delrin I believe or some sort of plastic/nylon stuff that would firm up the A arms and make the wheels track straigher. A hardish nylon like that would be machinable and with your mechanical skills you could make them a press fit with the right size hole for a bolt or whatever it has.
 
If you make it outta Delrin, you might as well go for hockey pucks. For all I know, pucks might be made outta delrin. Not much give to that stuff.
 
(quoted from post at 22:23:20 12/08/09) Back in the '80's I had a Fiero and belonged to the Fiero owners club. They advertised A arm bushing replacements made of Delrin I believe or some sort of plastic/nylon stuff that would firm up the A arms and make the wheels track straigher. A hardish nylon like that would be machinable and with your mechanical skills you could make them a press fit with the right size hole for a bolt or whatever it has.
Click to expand...
Yes, if machining is an option, there are several materials like Delrin, UHMD, and others that would likely work & last a long tome, although a little tighter & noisier ride. Racers use these kinds of bushings as a norm.
 
I called a dozen places that specialize in suspension bushings and got nowhere.

Then, went down to see my friend that owns a local NAPA store. She gives me a lot of the extra catalogs and reference books they get in. She just gave me the newest "NAPA Chassis and Applications Catalog." I think it's actually MOOG, but not sure. Took the book home and found some great reference charts with photos, and all measurements. Found exactly what I want for $11 each. It has to be shipped from the company in Illinois. Sounds like my problem is fixed for $22.
 
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