Quote:
Originally Posted by sixto
As a quick test, clamp the main return line from the filter block to the tank then start the engine. If it starts more easily, the regulating valve on the hidden side of the IP might be stuck open. Don’t run the engine with the return line clamped!
Sixto
98 E320s sedan and wagon
02 C320 wagon
|
The 603 doesn't have a "regulating valve", it's a drilled orifice in the overflow bolt. Pressure in the rack is set by volume flowing against that orifice, not against spring pressure.