gf4245p4100a

Location/task/design of ESP charging pump

Type gf · topic 42.45 · version 0103 · 1998-07-30

Applies to: MODEL 140 with CODE (472a) Electronic stability program (ESP) MODEL 129 with ENGINE 104, 119, 120 with CODE (472a) Electronic stability program (ESP) MODEL 210 with ENGINE 119 with CODE (472a) Electronic stability program (ESP)

Where it sits

Function group 2 Chassis › 42 Brakes - hydraulic and mechanical systems › 42.45 Electronic Stability Program (ESP), stability control (SR) — Series 129 · Series 140 · Series 210

Also applies to engines/gearboxes: 104 ***, 119 ***, 120 ***

GF42.45-P-4100A

Location/task/design of ESP charging pump

5.12.94

MODEL 140 with CODE (472a) Electronic stability program (ESP)

MODEL 129 with ENGINE 104, 119, 120 with CODE (472a) Electronic stability program (ESP)

MODEL 210 with ENGINE 119 with CODE (472a) Electronic stability program (ESP)

Location/task/design of ESP charging pump
Location/task/design of ESP charging pump
Location/task/design of ESP charging pump

P42.45-0255-01

P42.45-0208-01

P42.45-0256-01

Model 129

Model 210

Model 140

Location

Behind trim on left front fender.

Task

The ASR/ESP charging pump (M15) charges the high-pressure/return pumps.

Design

The suction line leads from the tandem master brake cylinder to the charging pump. The pressure line leads to the pressurizing piston unit (14). It is designed as an internal shaft gear pump. The pressure in the charging pump is limited to 15 bar by a pressure limiting valve .