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#1
08-09-16, 13:25
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advance
I have a few spare dissys , all used . I fitted a NOS dissy on the C8 , it was in a box of spares.
Maybe the rubber diaphram has perished in your vacuum unit ? It is possible to pry the unit apart and replace the rubber on some types. It's a fiddly job , but might be possible on the GM unit ? . I did this to my series 1 Land Rover vacuum unit and it was a successful fix. I have one of the hand pump vacuum tester units , these are very handy and not that expensive on EPAY. You connect it to the vacuum pipe and watch for the dissy to rotate as you pump.
__________________
1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad 
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