Friday 28 April 2023

SQ4 Clutch Investigation

 After the Blakeney run, Tom reported that the SQ4 clutch was slipping when he got home - he couldn't get it to go over 50 mph without the clutch slipping. 

We rebuilt it using the new plates from the W/NG, which got it's old Ferodo plates back; middle grandson Felix helped with the job:


We made a little pointer to show the pressure plate was lifting squarely:

Oddly, it wouldn't functioning with the old pushrod - We had to add 1/8" to the pushrod length, having found the original 12 3/4" wasn't long enough but 13" was too long. We settled on 12 7/8".

A month later, we had the opposite problem where it wouldn't disengage - Tom took it apart again and adjusted it, and all was well. Sticky new plates, or some intermittent fault?

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