Learn how to use parts diagrams on Honda dealers web site. If the part
number is the same for the two cars then it is probably the same part. If
the number is different you will probably have a problem. This is the
easiest web site I have found to use. Punch in the year of the car in two
separate passes and record the part number for the driveshaft.
If you want to know the size of the nut on the axle then you will need to
peek at the same parts list to find that it is 22 mm for the 1985 3 dr. More
details may be had from the service manual.
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