Speed-sensitive power steering at vehicle speeds >100 km/h when steering, function · gf4650p2700a · Mercedes-Benz WIS

GF46.50-P-2700A

Speed-sensitive power steering at vehicle speeds >100 km/h when steering, function

10.7.98

MODEL 171.4, 203
with CODE (213) Speed-sensitive power steering
up to Model Year 8

MODEL 209, 211 with CODE (213) Speed-sensitive power steering

MODEL 215, 220

MODEL 230 up to Model Year 8

Speed-sensitive power steering at vehicle speeds >100 km/h when steering,
function

P46.20-2017-76

Rotary valve and control bush housing for models 215 and 220 illustrated

Steering left

I To right working cylinder

II To left working cylinder

III High pressure from pump

IV Return to pump

4 Reaction balls

8 Constant constriction orifice

9 Regulating valve

10 Torsion bar

11 Pilot bushing

12 Rotary valve

A Pressurized

B Unpressurized

C Regulated pressure after SPS solenoid valve (Y10)

Y10 SPS [PML] solenoid valve

Vehicle speed v > 100 km/h

The SPS [PML] solenoid valve (Y10) is energized to the minimum extent. This causes the maximum possible pressure from the SPS solenoid valve (Y10) to be directed via the control spool (9) onto the reaction balls (4), increasing the pressure acting on the v-shaped surfaces of the rotary slide (12) to the maximum.

The constant constriction orifice (8) reduces the regulated pressure from the SPS solenoid valve (Y10). This is then passed on as an almost depressurized backflow to the power steering pump reservoir.

Power steering pump, location / task / design / function	Type 171.4	GF46.30-P-2100SK
	Model 203	GF46.30-P-2100P
	Model 209	GF46.30-P-2100Q
	Model 211	GF46.30-P-2100T
	Model 220 except Code (487a) Active Body Control (ABC)	GF46.30-P-2100B
	Model 230 except Code (487a) Active Body Control (ABC)	GF46.30-P-2100R
Tandem pump, location/task/design/function	Model 215 Models 220, 230 with Code (487a) Active Body Control (ABC)	GF46.30-P-3300A
Rack-and-pinion steering gear, location / task / design / function	Model 171.4, 203, 209	GF46.20-P-1000PA
	Model 211	GF46.20-P-1000TA
	Models 215, 220, 230	GF46.20-P-1000B
SPS solenoid valve, location / task / design / function		GF46.50-P-5000B
Rack-and-pinion steering play compensator, location / task / function	Model 171.4, 203, 209	GF46.20-P-1100P
	Model 211	GF46.20-P-1100T
	Models 215, 220, 230	GF46.20-P-1100B
Rack-and-pinion steering damper, location / task / function	Model 171.4, 203, 209	GF46.20-P-1200P
	Model 211	GF46.20-P-1200T
	Models 215, 220, 230	GF46.20-P-1200B

Referenced documents

gf4620p1000b Rack-and-pinion steering gear, location/ task/ design/ function
gf4620p1000pa Rack-and-pinion steering gear, location / task / design / function
gf4620p1000ta Rack-and-pinion steering gear, location/ task/ design/ function
gf4620p1100b Rack-and-pinion steering play compensator, location / task / function
gf4620p1100p Rack-and-pinion steering play compensator, location / task / function
gf4620p1100t Rack-and-pinion steering play compensator, location/ task/ function
gf4620p1200b Rack-and-pinion steering damper, location / task / function
gf4620p1200p Rack-and-pinion steering damper, location / task / function
gf4620p1200t Rack-and-pinion steering damper, location/ task/ function
gf4630p2100b Power steering pump, location / task / design / function
gf4630p2100p Power steering pump, location / task / design / function
gf4630p2100q Power steering pump, location / task / design / function
gf4630p2100r Power steering pump, location / task / design / function
gf4630p2100sk Power steering pump, location / task / design / function
gf4630p2100t Power steering pump, location/task/design/function
gf4630p3300a Tandem pump, location/task/design/function
gf4650p5000b SPS solenoid valve, location / task / design / function