Join Date: May 2017
Location: Howick, Auckland New Zealand
Maserati Life Posts: 22
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Maserati QP 2005 Duo select F1 Pump/ electric motor
Just a heads up.
If you are looking to replace your electric motor/ hydraulic pump unit the Alfa Romeo/ Fiat Selespeed unit
looks exactly the same..I'm 95% certain its the same unit.
Having stripped a failed one down recently I made two finds.
The pump failure is due to the electric motors.
New Brushes can be installed but
Check for lower and upper bearing wear on the armature center shaft (you might be able to replace these but it looks tricky)
if there is wear you'll notice the metal fingers on outside of armature running parallel have uneven abrasion marks on them as the lower bearings have worn.
Must be touching the magnets which shouldn't happen.
Alfa unit is about USD280 shipped.
Electrical plugs looks the same.