Trailing Arm Bushings

[Leif A.]

Re: Trailing Arm Bushings

Thanks Duke. I knew there had to be a way (if, there's the will).

[Terry M.]

Re: Trailing Arm Bushings

Thomas-------


My 1969 had the holes in the frame for the cotter pins. Late 1969 had the holes; early 1969 did not. My car had a mixture of slotted and non-slotted shims but no cotter pins were ever originally installed. The generally recognized initial use of the slotted shims was 1970.

And based on car observations the first use of the cotter pin is the last week of 1970 production = July 27 to 31, 1970.

I use this in my classes as an example (admittedly and extreme one) of the problems with following the AIMs too closely. I would have to look up the change date in the 1969 AIM (which I don't have at hand at the moment), but it is near the middle of 1969 production that the hole for the cotter pin appears in the AIM, but all the way through 1970 MY production before the cotter pin appears on the cars.

[Duke W.]

Re: Trailing Arm Bushings

Thanks Duke. I knew there had to be a way (if, there's the will).

I forgot something. Use the pole jack to raise the spring enough to manually lift the trailing arm enough to remove the tire. Then lower the pole jack until the frame touches the scissors jack, and block up the drum/disk (be sure to firmly apply the parking brake) to bring the center of the stub axle to normal ride height based on measuring the distance from ground to axle centerline before you remove the wheel. That will be something close to 13.5" for a 27" tire set to high pressure and places the trailing arm at the normal ride height position.

Duke

[Carl S.]

Re: Trailing Arm Bushings

Tom,

I bought a pair of offset trailing arms from Year One, not realizing that the bushings were polyurethane and then had them installed on my car. Both sides self destructed after about 500 - 600 miles. I helped a friend of mine pull the arms and install rubber bushings in January of 2018. The car was scary to drive. Below is the link to my friend Don's thread here on the NCRS Forum with pictures. C.J.

https://www.forums.ncrs.org/showthread.php?119708-Anyone-seen-this-happen-to-a-C2-trailing-arm-bushing&p=822296#post822296