Testing the fuel pump delivery - ra07016025701x(5701)

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

Engines 602.96, 603.96/97 TURBO in Models 124, 126, 140, 201

Preceding work:

Operation no. of operation texts and work units or standard texts and flat rates: 07-5701

Fig 1: Testing Fuel Pump Delivery

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Testers (001, 021)	connect.
Return line (81)	disconnect and hold in measuring beaker (approx. 1 l).
	NOTE: The return line to the fuel tank must be sealed.
Glow start switch	move into position "0", the injection pump is in the zero delivery position.
Contact handle (040)	connect to terminal 30 and terminal 50 and start engine for 30 seconds. Use stopwatch (041). Specification: Delivery at least 150 cm ³ /30 seconds at 150 rpm. If the specification is not achieved, test fuel pressure (07.1-5702).

TEST DATA

Engine	602, 603
Delivery at at least 150 rpm	at least 150 cm ³ /30 s
Test condition	Glow start switch in position "0"

Special tools

Fig 2: Identifying Special Tools 01 (001 589 78 21 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Special Tools 07 (603 589 00 21 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 4: Identifying Special Tools 07 (601 589 04 21 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 5: Identifying Special Tools 01 (124 589 36 63 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

COMMERCIALLY AVAILABLE TOOLS

Digital tester	e. g. Bosch, MOT 001.03
Measuring glass or measuring beaker (at least 1 liter)
Stopwatch

Testing

Connect digital tester (001) as shown in connection diagram.

Fig 6: Connection Diagram - Digital Tester
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Disconnect return line (E) and hold in measuring beaker.

Fig 7: Identifying Return Line
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Turn glow start switch into position "0", the injection pump is in the "zero" delivery position when performing this step.
On model 124 and model 201, unplug coupling (X27) and connect adapter cable to terminal 50.
Model 124

Fig 8: Identifying Adapter Cable (Model 124)
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Model 201

Fig 9: Identifying Adapter Cable (Model 201)
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Model 126

Fig 10: Identifying Adapter Cable (Model 126)
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Connect contact handle to adapter cable or to terminal 50 (KI 50) and to terminal 30 (KI 30) and start engine for 30 seconds. Use stopwatch.
(Starting voltage at least 10 V)

3 Delivery: at least 150 cm ³ /30 seconds at 150 rpm.

If the specification is not achieved, test fuel pressure (07.1-5702).