ICPete Posted March 22, 2016 Report Share Posted March 22, 2016 I'm about to replace my rear suspension leveling valve, which has been leaking for a while now. I've got the new part and since I'm rebuilding the wooden bed (that's a subject for another topic!), now is the time to access the leveling valve. Of course before I remove the old one I will measure the current ride height. However I would also like to have some assurance that when I set the new valve back to that same height, that it is correct. Here is the table from the Volvo manual: I know I have a Meritor RT40-14 axle, but how do I find out which size, i.e., 10.47 vs 11.81 (266mm vs 300mm)? And what do RRH200 and RRH160 refer to? I have searched online but cannot find any indication what this stuff means. I know my axle spacing is 1320mm, but even with that the choice of ride height varies from 7.13" to 8.86", depending on the other variables shown. Here are my axle specs on the door jamb label: I saw in a thread from about 13 months ago someone said to set it to 7.75"; I guess that's a good average?? Pete Link to comment Share on other sites More sharing options...
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