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Old 10-23-2017, 03:35 PM
Maxbumpo Maxbumpo is offline
Diesel Preferred
 
Join Date: Oct 2007
Location: Charleston SC
Posts: 2,789
I think the next move is to intercept the high pressure supply coming off the tandem pump and route it directly into the reservoir. This should stop the hissing and slapping, and take any load from the ASD off the tandem pump so you can assess the condition of the power steering circuit.
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Respectfully,
/s/
M. Dillon
'87 124.193 (300TD) "White Whale", ~392k miles, 3.5l IP fitted
'95 124.131 (E300) "Sapphire", 380k miles
'73 Balboa 20 "Sanctification"
Charleston SC
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